{"title":"Science \u0026 Curiosities","description":"\u003cp\u003eScience and curiosities: meteorites and tektites, fossils, uranium glass, authenticated aerospace and space-program artifacts, lab glassware and field tools, mineral and specimen collections, and natural-history enamel pins and charts. Priced against eBay sold comps shown on every listing.\u003c\/p\u003e\u003cp\u003eEvery specimen lists its origin where known; artifacts state their provenance and what makes them verified. Fragile and radioactive-adjacent items (uranium glass) are labeled and packed accordingly.\u003c\/p\u003e\u003cp\u003eLive auctions for one-off artifacts show at the top of this page when running.\u003c\/p\u003e","products":[{"product_id":"tyrannosaurus-rex-enamel-pin","title":"Tyrannosaurus Rex Enamel Pin","description":"\u003cp data-end=\"821\" data-start=\"161\"\u003eThe undisputed celebrity of the Cretaceous, \u003cem data-end=\"213\" data-start=\"205\"\u003eT. rex\u003c\/em\u003e was as subtle as a freight train with teeth.\u003c\/p\u003e\n\u003cp data-end=\"821\" data-start=\"161\"\u003eAt up to 12 meters long and weighing around 9 tons, it was one of the largest carnivorous dinosaurs to ever stomp the Earth. With a bite force strong enough to crush bone (the strongest of any land animal, living or extinct), this apex predator was built for wreckage. But let’s be honest: it’s also famous for those comically short arms that look like evolution got tired halfway through.\u003c\/p\u003e\n\u003cp data-end=\"821\" data-start=\"161\"\u003eThis hard enamel pin captures its massive head, powerful stance, and undeniable star power in polished metal and enamel—no fossil auction or night at the museum required.\u003c\/p\u003e\n\u003cp data-end=\"835\" data-start=\"823\"\u003e\u003cstrong data-end=\"833\" data-start=\"823\"\u003eSpecs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePremium metal base with polished hard enamel fill\u003c\/li\u003e\n\u003cli\u003eSecure clasp so your T. rex doesn’t “stomp away”\u003c\/li\u003e\n\u003cli\u003eSize: 40.5 x 38mm\u003c\/li\u003e\n\u003cli\u003eZero chance of knocking things over with its arms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1188\" data-start=\"1063\"\u003ePerfect for dinosaur fans, fossil enthusiasts, and anyone who likes their accessories loud, legendary, and a little toothy.\u003c\/p\u003e\n\u003cp data-end=\"1337\" data-start=\"1190\"\u003e \u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Default Title","offer_id":43335814185169,"sku":"D-019","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/tyrannosaurus-rex-pin-without-feathers-ty-0046-319021.jpg?v=1790543517"},{"product_id":"japanese-star-sand","title":"Japanese Star Sand","description":"\u003cp\u003e\u003cspan\u003eThis “sand” is actually not sand at all. Rather than rock fragments, it is made of tiny, star-shaped exoskeletons. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach piece is a exoskeleton of a tiny sea creature from the Foraminifera group. These amoeba-like organisms have existed for about 542 million years, and over 50,000 species are known. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTheir innumerable remains can be found on some beaches, but only a few beaches in the world are made of star sand. This particular sample is from Ishigaki Island in Okinawa, Japan. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eForaminifera are useful as index fossils, which means they can be used to date rock formations reliably. They are particularly helpful for the Permian, Jurassic, Cretaceous, and Cenozoic time periods. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWe recommend examining them under a \u003ca href=\"\/collections\/magnification\"\u003emagnifier\u003c\/a\u003e or microscope for a closer look.\u003c\/p\u003e\n\u003cp\u003eContainer Dimensions: 1.75\" x .25\" \u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Default Title","offer_id":43335814152401,"sku":"JA-0120","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/japanese-star-sand-ja-0120-206630.jpg?v=1790543516"},{"product_id":"golden-gate-bridge-steel-cable-suspender-rope-section","title":"Golden Gate Bridge Steel Cable (Suspender Rope) Section","description":"\u003cp\u003eThis piece of cable is a section we extracted from the vertical suspension cable that was used on the bridge for about 40 years until its replacement in the 1970s. It is now a collectible artifact of extreme engineering. It may even have some International Orange paint still clinging to its surface. \u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThe Golden Gate Bridge in San Francisco was the longest and tallest suspension bridge in the world when it was completed in 1937. It is lauded as an engineering and architectural marvel and has been named one of the Seven Wonders of the Modern World.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eAs a suspension bridge, the roadway is hung from two tall masts by steel cables. The roadway spans nearly 1 mile long over the Golden Gate, an especially deep strait carved by glacial runoff during the last Ice Age.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThe 36” main cables were the largest ever made and had to be wound on-site. In total, the bridge required 80,000 miles (130,000 km) of galvanized steel wire—enough to circle the globe 3 times.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eLength: ~3.5”\u003c\/p\u003e\n\u003cp\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cem\u003eVintage photos of bridge during construction courtesy of goldengate.org\u003c\/em\u003e\u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Default Title","offer_id":43335814381777,"sku":"GO-1059","price":34.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/golden-gate-bridge-cable-go-1059-761934.jpg?v=1790543517"},{"product_id":"shatter-cone","title":"Shatter Cone","description":"\u003cp\u003eShatter cones are unique geological structures formed exclusively under intense shock pressures, typically following meteorite impacts or nuclear explosions.\u003cbr\u003e\u003cbr\u003eThey are created when shockwaves strong enough to compress rock travel through the ground. The result is conical-shaped deformation of rock, with striated or grooved surfaces that radiate outwards, curving from the tip of the cone towards the base.\u003cbr\u003e\u003cbr\u003eShatter cones can vary widely in size, ranging from just a few centimeters up to several meters. The cone’s pointed tip can often provide clues about the direction of the shock wave. Their occurrence not only signals a high-energy event but also provides invaluable insights into the Earth’s history, helping geologists piece together past cosmic collisions. \u003cbr\u003e\u003cbr\u003eThis shatter cone fragment is from the massive Charlevoix Crater, an impact structure in Quebec, Canada estimated to have formed around 340-450 million years ago when an asteroid at least 2 km (1.2 mi) collided with Earth.\u003c\/p\u003e\n\u003cp\u003eSpecimen size: 0.5\" - 0.75\"\u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Default Title","offer_id":43335814807761,"sku":"SH-3295","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/shatter-cone-sh-3295-886580.jpg?v=1790543517"},{"product_id":"collapsable-shovel","title":"Collapsable shovel","description":"\u003cp\u003eThis compact scoop fits neatly in a hiking pack. Just unfold it, lock it securely in position, and you're ready to excavate a fossil or dig for worms.\u003c\/p\u003e\n\u003cp\u003eComes in durable pouch so it doesn't scratch other items.Made of non-corrosive stainless steel so you can rinse it after use.\u003c\/p\u003e\n\u003cp\u003eMeasures about 5\" folded and 8.75\" expanded.  \u003cbr\u003e\u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Default Title","offer_id":43335814840529,"sku":"CO-1660","price":2.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/collapsable-shovel-co-1660-224933.jpg?v=1790543517"},{"product_id":"giant-sequoia-seeds","title":"Giant Sequoia Seeds","description":"\u003cp\u003eGrow a Giant Sequoia—the most massive tree in the world!\u003c\/p\u003e\n\u003cp\u003eEach vial contains around half a dozen seeds, each crammed with all the genetic information to grow one of the largest organisms on Earth: \u003cem\u003eSequoiadendron giganteum\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThis species is the largest tree in the world by wood volume, limb thickness, and bark thickness. The current largest known tree in the world is a giant sequoia named General Sherman in California. Much larger sequoias have lived in the past, such as \"Mother of the Forest\", a tree which was debarked and subsequently died in 1854 after living for \u003cstrong\u003e2,520\u003c\/strong\u003e years.\u003c\/p\u003e\n\u003cp\u003eThese trees are considered endangered. Help restore the giant sequoia population, but \u003cstrong\u003ebe sure to research the proper growing conditions for your region.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIncludes at least 6 seeds (usually a few more)\u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Default Title","offer_id":43335814578385,"sku":"GI-0246","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/giant-sequoia-seeds-gi-0246-344423.jpg?v=1790543517"},{"product_id":"uranium-glass-ball-imperfect","title":"Uranium Glass Ball (Imperfect)","description":"\u003cp\u003eUranium glass is made with a small amount of uranium, the element with atomic number 92. Glassmakers added uranium compounds to create vibrant yellow and green colors, but the uranium also gives the glass an unexpected property: under ultraviolet light, it fluoresces with an intense neon-green glow.\u003c\/p\u003e\n\u003cp\u003eThe glass became especially popular during the Victorian era, when uranium glass was prized for its striking colors. At the time, few people ever saw it because UV lights were not readily available. Production declined during the mid-20th century as uranium became more tightly regulated. Today, inexpensive UV flashlights have given uranium glass a resurgence in popularity.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe presence of uranium also means the glass is radioactive—although weakly. For reference, sitting in a bathtub filled with typical uranium glass is comparable in radiation exposure to sitting on an airline flight. Harmless enough to handle but avoid eating it.\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1” diameter.\u003c\/li\u003e\n\u003cli\u003eThese are being sold as imperfect and as-is. Expect cracks, chips, and manufacturing imperfections.\u003c\/li\u003e\n\u003cli\u003eA little bit radioactive, but harmless. (We measured ~0.14 μSv\/h for a single ball, slightly above background radiation.)\u003c\/li\u003e\n\u003cli\u003eGlows bright green under UV light (blacklight)!\u003c\/li\u003e\n\u003cli\u003eMakes a great uranium sample if you're collecting the elements.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLearn more about the science behind the glow of uranium glass, and many other interesting colors, in our new book \u003ca href=\"\/colors\"\u003e\u003cem\u003eThe Universe in 100 Colors\u003c\/em\u003e\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch6\u003eLegality: \u003cspan\u003eIn the US, uranium is federally regulated; however, an exception has been made for glassware containing uranium. Check your local laws if you live outside of the US.\u003c\/span\u003e\n\u003c\/h6\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Single","offer_id":43335814250705,"sku":"YE-1167","price":14.95,"currency_code":"USD","in_stock":true},{"title":"Set of 10","offer_id":43335814283473,"sku":"YE-1168","price":99.0,"currency_code":"USD","in_stock":true},{"title":"Bulk Bag of 100","offer_id":43335814316241,"sku":"YE-1169","price":690.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/uranium-glass-ball-ye-1167-262865.jpg?v=1790543516"},{"product_id":"jwst-historic-poster-2-southern-ring-nebula","title":"JWST Historic Poster #2 - Southern Ring Nebula","description":"\u003cp\u003eHistoric achievements like this deserve a memento for posterity.\u003c\/p\u003e\n\u003cp\u003eWe present this high quality print of the second image released from the James Webb Space Telescope: The Southern Ring Nebula \/ NGC 3132.\u003c\/p\u003e\n\u003cp\u003eSize: 11 x 14\"\u003cbr\u003e\nThis item ships rolled\u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Default Title","offer_id":43335814971601,"sku":"JA-2444","price":7.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/jwst-historic-poster-2-southern-ring-nebula-ja-2444-919134.jpg?v=1790543517"},{"product_id":"ferrocerium-fire-starter","title":"Ferrocerium Fire Starter","description":"\u003cdiv title=\"Page 1\" class=\"page\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"section\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"layoutArea\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"column\" data-mce-fragment=\"1\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThis rod of metal brings on the heat, all thanks to the discoveries of Austrian scientist Baron Carl Auer von Welsbach in 1903. Welsbach was experimenting with rare earth metals such as cerium, lanthanum and neodymium and discovered that the alloy of 70% cerium, a metal known for its low-ignition temperatures, and 30% iron gave off sparks when scratched. If scratched by harder and sharper objects, such as a carbon steel blade, the alloy’s tiny shavings are oxidized and ignited, burning near 430°F. \u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe \"flint\" in most lighters is actually ferrocerium.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-mce-fragment=\"1\"\u003eOften called magnesium rods, but contain only traces of Mg.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThis striker is great for lighting campfires or for emergency situations. Forcefully strike the steel along the length of the rod.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Default Title","offer_id":43335814217937,"sku":"FE-0922","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/ferrocerium-fire-starter-fe-0922-887964.jpg?v=1790543516"},{"product_id":"mobius-strip","title":"Möbius Strip","description":"\u003cdiv data-mce-fragment=\"1\" title=\"Page 1\" class=\"page\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"section\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"layoutArea\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"column\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eA M\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eö\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ebius strip is a looped object with one continuous side and one edge. If you draw a line along the surface of a M\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eö\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ebius strip, it will travel along both faces of the surface before returning to the starting point. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eIt can be created by connecting the ends of a narrow strip of material with an odd number of half twists. If the long edges were able to connect, it would form a Klein Bottle. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe shape is named after German mathematician August Ferdinand Möbius who brought attention to its mathematical significance in 1858, but it had been known throughout antiquity, as M\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eö\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ebius strips appear in Mesopotamian and Roman artworks. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eIn fact, the M\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eö\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ebius strip was instrumental to the formation of the field of topology, the study of geometric properties that remain unchanged as an object is deformed, which is vital for physics. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eM\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eö\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ebius strips also have practical uses in chemistry, electronics, and engineering. For example, worn surfaces, such as flat machine belts, can last twice as long if shaped as a M\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eö\u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003ebius loop rather than a normal loop.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDimensions: ~1.6\" x 11\"\u003cbr\u003eMade of flexible plastic so it's durable but can be cut with scissors.\u003cbr\u003eIncludes double sided tape on one end for easy assembly.\u003cbr\u003eBulk packs ship flat.\u003cbr\u003eSingles may ship flat or rolled.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Single","offer_id":43335814414545,"sku":"MO-3116","price":5.0,"currency_code":"USD","in_stock":true},{"title":"10-pack","offer_id":43335814447313,"sku":"MO-3110","price":50.0,"currency_code":"USD","in_stock":true},{"title":"25-pack","offer_id":43335814480081,"sku":"MO-3111","price":125.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/mobius-strip-mo-3116-872988.jpg?v=1790543517"},{"product_id":"lithops-life-cycle-chart","title":"Lithops Life Cycle Chart","description":"\u003cp data-mce-fragment=\"1\"\u003eThis Lithops Life Cycle Chart, illustrated by \u003ca href=\"http:\/\/instagram.com\/tylerthrasherart\"\u003eTyler Thrasher\u003c\/a\u003e, presents an extensive exploration of this unique plant. Offering intricate details about the genus and anatomy, it is an ideal visual aid to illustrate the intricacies of the Lithops plant.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eHigh resolution print on hearty paper. Measures 18 x 24\". Singles ship rolled, bulk orders may ship rolled or flat. \u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Default Title","offer_id":43335814349009,"sku":"UN-3474","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/lithops-life-cycle-chart-un-3474-762730.png?v=1790543517"},{"product_id":"cleanroom-sterile-notepad","title":"Cleanroom Sterile Notepad","description":"\u003cp\u003eCleanroom notebooks are the most advanced line of documentation available for the most critical applications. Made and packaged in a sterile environment, this paper is low in particles and has low particle shed. Ideal for hand writing in a controlled environment. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDon't work in a cleanroom? \u003c\/strong\u003eGet it as a gag gift for someone known for \"dirty\" writing. Make the purest spitwads imaginable. Play sterile MASH. \u003c\/p\u003e\n\u003cp\u003eCollege Ruled. 50 sheets.\u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"3 x 5\"","offer_id":43335815069905,"sku":"CL-1886","price":0.99,"currency_code":"USD","in_stock":true},{"title":"8.5 x 11\"","offer_id":43335815102673,"sku":"CL-1887","price":5.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/cleanroom-sterile-notepad-cl-1886-822372.jpg?v=1790543517"},{"product_id":"red-ochre-pigment","title":"Red Ochre Pigment","description":"\u003cp data-start=\"162\" data-end=\"437\"\u003eRed ochre is humanity’s oldest artistic medium, a natural iron oxide (Fe₂O₃) ground into a deep, earthy powder. For tens of thousands of years, this humble pigment has been part of our shared story, connecting artists across millennia through color, ritual, and creativity.\u003c\/p\u003e\n\u003cp data-start=\"439\" data-end=\"796\"\u003eOne of the most haunting and beautiful uses of red ochre survives in Argentina’s Cueva de las Manos, or Cave of Hands. More than 9,000 years ago, Ice Age people left stenciled outlines of their hands on the cave walls by blowing red ochre around them. These vivid silhouettes, frozen in time, remain among the earliest known acts of human self-expression.\u003c\/p\u003e\n\u003cp data-start=\"798\" data-end=\"1256\"\u003eIn Europe, both Neanderthals and early Homo sapiens sourced ochre from deposits in southern France, the same ancient quarries where this very pigment still comes from today. Its striking color comes from iron atoms bound with oxygen, creating the distinctive rusty red hue that has captivated people for ages. Unlike fragile organic dyes, ochre is geologically stable, allowing those ancient handprints to remain bright and visible after tens of millennia.\u003c\/p\u003e\n\u003cp data-start=\"1258\" data-end=\"1496\"\u003eToday, when you use red ochre, you’re not just creating art—you’re joining one of humanity’s longest and most enduring traditions. Every brushstroke and mark adds your voice to a story that began in prehistory and continues to this day.\u003c\/p\u003e\n\u003cp data-start=\"1258\" data-end=\"1496\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"1258\" data-end=\"1496\"\u003eNet weight 18g \u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Default Title","offer_id":43335814545617,"sku":"RE-4819","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/IMG-6414.jpg?v=1790543517"},{"product_id":"libyan-desert-glass","title":"Libyan Desert Glass","description":"\u003cdiv class=\"page\" title=\"Page 1\"\u003e\n\u003cdiv class=\"section\"\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cdiv class=\"column\"\u003e\n\u003cp\u003e\u003cspan\u003eAmong the treasures discovered in the tomb of Egyptian King Tutankhamun was an ornate breastplate adorned in gemstones. The centerpiece of the artifact is a large scarab carved out of a luminous yellow stone, now known as Libyan Desert Glass. The glass was the result of a meteorite impact that occurred nearly 29 million years before King Tut died. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe impact in the Libyan Desert, located in the northeast region of the Sahara Desert, would have created a large crater, ejected debris for miles, and sent shockwaves through the ground. The intense heat and pressure were hot enough to melt the surrounding quartz sand at around 3,000 °F, creating this natural glass that is now scattered for miles. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe resulting bright yellow color of this natural glass is due to the high purity of the silica. Unlike other natural glasses that are full of impurities, Libyan Desert Glass contains over 97% silica. Libyan Desert Glass is still highly valued to this day. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eLearn more about the science behind strange and historic colors in our book \u003ca href=\"\/products\/color-book\"\u003eThe Universe in 100 Colors\u003c\/a\u003e! \u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eDETAILS:\u003c\/h3\u003e\n\u003cp\u003eLarge fragments (1-2 g) come in our classic rectangular acrylic capsule. \u003c\/p\u003e\n\u003cp\u003eSmall fragments (0.5-1 g) come in a traditional round capsule.\u003c\/p\u003e\n\u003cp\u003ePhotos are representative of typical specimens. Some natural variation in size\/shape should be expected.\u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Small (Round Capsule)","offer_id":43335815004369,"sku":"LI-3279","price":22.0,"currency_code":"USD","in_stock":true},{"title":"Large (Rectangular Capsule)","offer_id":43335815037137,"sku":"LI-3280","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/libyan-desert-glass-li-3279-479138.jpg?v=1790543517"},{"product_id":"bimetallic-compound-bar","title":"Bimetallic Compound Bar","description":"\u003cp\u003eA compound bar is a device that demonstrates the principle of thermal expansion and contraction, a fundamental concept in thermodynamics.\u003c\/p\u003e\n\u003cp\u003eThis device was invented by the English clockmaker, John Harrison, as part of his marine chronometer, a navigation device that allowed sailors to determine longitude at sea.\u003c\/p\u003e\n\u003cp\u003eThe bar consists of two bonded metal plates, one of pure copper and the other of steel. When at the same temperature, they remain straight due to the equal expansion or contraction of both metals. However, when heated, the two metals expand at different rates due to their distinct coefficients of thermal expansion, causing them both to bend.\u003c\/p\u003e\n\u003cp\u003eOn a microscopic level, as the metals are heated, the kinetic energy of the molecules increases. This results in the molecules vibrating more rapidly and occupying more space. Both plates grow, but since copper molecules expand up to 40% more than steel, the copper bar becomes longer than the steel bar, causing both to curl slightly in the direction of the steel.\u003c\/p\u003e\n\u003cp\u003eThe demonstration can be inverted by cooling the plates, causing the molecules to lose kinetic energy and plates to contract. As the metals contract at different rates, they bend slightly in the direction of the copper, thereby providing a tangible illustration of thermal contraction.\u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Default Title","offer_id":43335814512849,"sku":"BI-3410","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/bimetallic-compound-bar-bi-3410-438617.jpg?v=1790543517"},{"product_id":"meteorite-blind-bag-cosmology-series-1-limited-run","title":"Meteorite Blind Bag: Cosmology Series 1 (Limited Run)","description":"\u003ch4 data-start=\"1778\" data-end=\"2132\"\u003eHold a piece of the universe older than Earth itself.\u003c\/h4\u003e\n\u003cp data-start=\"1778\" data-end=\"2132\"\u003eThe Meteorite Blind Bag series transforms real planetary science into a collectible format. Inside each sealed bag is one authenticated meteorite fragment, selected from eight scientifically significant specimens originating from asteroids, protoplanets, and even other worlds.\u003c\/p\u003e\n\u003cp data-start=\"2134\" data-end=\"2464\"\u003eEach meteorite was recovered by \u003cstrong data-start=\"2166\" data-end=\"2203\"\u003eIMCA-affiliated meteorite hunters\u003c\/strong\u003e, classified by laboratories, and prepared for collectors in a \u003cstrong data-start=\"2266\" data-end=\"2298\"\u003emuseum-style display capsule\u003c\/strong\u003e. A Certificate of Authenticity and information card accompany every sample, documenting its official name, type, class, and scientific significance.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"2466\" data-end=\"2636\"\u003eThese fragments represent materials forged in violent collisions, ancient nebular dust, and planetary crusts that formed \u003cstrong data-start=\"2587\" data-end=\"2635\"\u003ebillions of years before human history began\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2638\" data-end=\"2839\"\u003e\u003cstrong data-start=\"2638\" data-end=\"2657\"\u003eRarity matters.\u003c\/strong\u003e Lunar and martian meteorites—along with Allende and Vesta specimens—are exceedingly rare in nature, and their market value can be many times the price of this blind bag. Lucky collectors could pull an investment grade meteorite at a great discount.\u003c\/p\u003e\n\u003ch4 data-start=\"2841\" data-end=\"2869\"\u003eCosmology Series 1\u003c\/h4\u003e\n\u003ch5 data-start=\"2841\" data-end=\"2869\"\u003e\u003cstrong data-start=\"2845\" data-end=\"2867\"\u003e(\u003cmeta charset=\"utf-8\"\u003e \u003cstrong data-start=\"2960\" data-end=\"2974\"\u003e⭑ = Rarity)\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul data-start=\"2870\" data-end=\"3609\"\u003e\n\u003cli data-start=\"2870\" data-end=\"2957\"\u003e\n\u003cstrong data-start=\"2872\" data-end=\"2891\"\u003eCampo del Cielo\u003c\/strong\u003e – Iron meteorite from Argentina’s massive impact event.\u003c\/li\u003e\n\u003cli data-start=\"2870\" data-end=\"2957\"\u003e\n\u003cstrong data-start=\"2960\" data-end=\"2974\"\u003eAllende ⭑⭑\u003c\/strong\u003e – One of the most famous meteorites in history; packed with calcium-aluminum inclusions from the early solar system.\u003c\/li\u003e\n\u003cli data-start=\"3095\" data-end=\"3197\"\u003e\n\u003cstrong data-start=\"3097\" data-end=\"3122\"\u003eNWA 14685 (Lunar) ⭑⭑⭑\u003c\/strong\u003e – Actual material from the Moon, launched into space by ancient impacts.\u003c\/li\u003e\n\u003cli data-start=\"3198\" data-end=\"3303\"\u003e\n\u003cstrong data-start=\"3200\" data-end=\"3234\"\u003eNWA 13632 (Early Solar System)\u003c\/strong\u003e – Brecciated meteorite containing some of the oldest solids known.\u003c\/li\u003e\n\u003cli data-start=\"3304\" data-end=\"3380\"\u003e\n\u003cstrong data-start=\"3306\" data-end=\"3319\"\u003eNWA 14460\u003c\/strong\u003e – Primitive chondrite rich in early solar system textures.\u003c\/li\u003e\n\u003cli data-start=\"3381\" data-end=\"3464\"\u003e\n\u003cstrong data-start=\"3383\" data-end=\"3410\"\u003eNWA 13187 (Martian) ⭑⭑⭑\u003c\/strong\u003e – A piece of Mars, blasted free by asteroid impact.\u003c\/li\u003e\n\u003cli data-start=\"3465\" data-end=\"3549\"\u003e\n\u003cstrong data-start=\"3467\" data-end=\"3496\"\u003eNWA 7831 (Asteroid Vesta)\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003e \u003cstrong data-start=\"2960\" data-end=\"2974\"\u003e⭑ \u003c\/strong\u003e– HED meteorite from Vesta’s differentiated crust.\u003c\/li\u003e\n\u003cli data-start=\"3550\" data-end=\"3609\"\u003e\n\u003cstrong data-start=\"3552\" data-end=\"3575\"\u003eMystery Meteorite ⭑\u003c\/strong\u003e – A surprise classified specimen.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eEvery blind bag includes:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAuthentic Meteorite\u003c\/li\u003e\n\u003cli\u003eCertificate of Authenticity\u003c\/li\u003e\n\u003cli\u003eMeteorite Info\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Default Title","offer_id":43335814873297,"sku":"ME-4364","price":27.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/IMG_6716-2.jpg?v=1790543517"},{"product_id":"quaking-aspen-seeds","title":"Quaking Aspen Seeds","description":"\u003cp\u003eThe quaking aspen ,\u003cem\u003ePopulus tremuloides,\u003c\/em\u003e is a deciduous tree native to North America, known for its trembling leaves, impressive size (reaching over 50 feet in height and 40 feet in spread), and shallow root system that allows it to regenerate quickly after disturbance.\u003c\/p\u003e\n\u003cp\u003eIt is also a clonal species, meaning that it can produce\u003cbr\u003eclones of itself by sending out underground shoots called “suckers” which grow into genetically identical trees.\u003c\/p\u003e\n\u003cp\u003eThis reproductive strategy allows the quaking aspen to spread and colonize new areas efficiently, often resulting in large groves of genetically identical trees connected by underground shoots. In fact, a quaking aspen colony of nearly 50,000 trees in Utah, named Pando, is considered the most massive organism in the world and among the oldest as well.\u003c\/p\u003e\n\u003cp\u003eThe quaking aspen is a fascinating and highly adaptable tree as well as a rapidly renewable resource, making it an important component of many North American ecosystems\u003cem\u003e.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cbr\u003eEach envelope contains approximately 30-40 seeds\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003e*Glass vial and cork not included\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Default Title","offer_id":43335814611153,"sku":"QU-4001","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/IMG_1600.jpg?v=1790543516"},{"product_id":"tektite","title":"Tektite","description":"\u003cp\u003eTektites are formed when meteors collide with Earth. The material ejected from the impact crater is heated and fused into glass.\u003c\/p\u003e\n\u003cp\u003eThis batch of tektites are from the Australasian strewn field, which covers the area within the blue region in the map below and is estimated to have been caused by an impact 790,000 years ago.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAll Australasian tektites have a similar chemical composition, which is why they are thought to be from the same impact. The location of the impact crater is still unknown, but \u003ca href=\"https:\/\/www.pnas.org\/content\/117\/3\/1252\"\u003ea recent study\u003c\/a\u003e suggests it may have been discovered in Laos.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eYou will receive one Australasian tektite. All are ~1-2 cm. Some have smooth concave surfaces formed by air pockets. Color is nearly opaque black.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThe photos are an average representative of our current inventory. You may not receive these exact specimens, but some like them. We try to prioritize the largest specimens to ship first.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"\/\/cdn.shopify.com\/s\/files\/1\/0059\/0158\/2449\/files\/C66D6149-AD06-4367-AEED-87BAD1AF0945_grande.png?v=1558994299\" alt=\"Australasian strewn field map\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #cccccc;\"\u003e\u003cem\u003eImage: Meteor Crater\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"One Large","offer_id":43335814643921,"sku":"TE-0297","price":18.0,"currency_code":"USD","in_stock":true},{"title":"Several Small","offer_id":43335814676689,"sku":"TE-0298","price":14.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/tektite-te-0297-561224.jpg?v=1790543517"},{"product_id":"canvas-tool-roll","title":"Canvas Tool Roll","description":"\u003cp\u003eThese durable tool rolls allow for organization during field work and roll up to be quite compact. Also useful for paint brushes, writing tools, test tubes, or anything long and narrow. Made of waterproof canvas that breaks in with use.\u003c\/p\u003e\n\u003cp\u003eMeasures approximately 15.75\" x 13\" when open and laid flat.\u003cbr\u003e22 pockets\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eTools not included. Canvas Roll only.\u003c\/em\u003e\u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Single","offer_id":43335814742225,"sku":"CO-2292","price":12.5,"currency_code":"USD","in_stock":true},{"title":"10-pack","offer_id":43335814774993,"sku":"CO-2291","price":99.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/canvas-tool-roll-co-2291-587117.jpg?v=1790543517"},{"product_id":"oklahoma-wildlife-chart","title":"Oklahoma Wildlife Chart","description":"\u003cp\u003eOur original wildlife chart nicely displays many of the common animals you're likely to see in Oklahoma. \u003c\/p\u003e\n\u003cp\u003eIllustrated by Jeremy Luther for Stemcell Science Shop.\u003c\/p\u003e\n\u003cp\u003eDimensions: 19\" x 27\"\u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Default Title","offer_id":43335815299281,"sku":"OK-0054","price":7.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/oklahoma-wildlife-chart-ok-0054-482583.jpg?v=1790543518"},{"product_id":"nasa-mars-2020-insignia-pin","title":"NASA Mars 2020 Insignia Pin","description":"\u003cp\u003eOfficial JPL insignia pin for the Mars 2020 Exploration Program which sent Perseverance rover and Ingenuity helicopter to Mars.\u003c\/p\u003e\n\u003cp\u003eDiameter: 0.75\"\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Default Title","offer_id":43335814709457,"sku":"JP-2323","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/nasa-mars-2020-insignia-pin-jp-2323-375432.jpg?v=1790543516"},{"product_id":"30x-loupe","title":"30x Loupe","description":"\u003cp\u003eThis loupe provides an impressive 30x magnification, perfect for examining geological specimens, jewelry, or reading the fine print of your cell phone contract. A must-have for any geologist in the field.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e30x magnification\u003c\/li\u003e\n\u003cli\u003eStainless steel housing\u003c\/li\u003e\n\u003cli\u003eGlass 21mm lenses\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Stemcell Science Shop","offers":[{"title":"1","offer_id":43335814938833,"sku":"XL-0070","price":7.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/30x-loupe-xl-0070-426367.jpg?v=1790543517"},{"product_id":"jwst-historic-poster-3-stephans-quintet","title":"JWST Historic Poster #3 - Stephan's Quintet","description":"\u003cp\u003eHistoric achievements like this deserve a memento for posterity.\u003c\/p\u003e\n\u003cp\u003eWe present this high quality print of the image released from the James Webb Space Telescope: Stephan's Quintet\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSize: 11 x 14\"\u003c\/p\u003e\n\u003cp\u003ePoster reads:\u003c\/p\u003e\n\u003cp\u003eAn enormous mosaic of Stephan’s Quintet covers about one-fifth of the Moon’s diameter, and is constructed from almost 1,000 separate image files. The visual grouping of five galaxies was captured by\u003c\/p\u003e\n\u003cdiv class=\"page\" title=\"Page 1\"\u003e\n\u003cdiv class=\"section\"\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cdiv class=\"column\"\u003e\n\u003cp\u003e\u003cspan\u003eWebb’s Near-Infrared Camera (NIRCam) and Mid-Infrared Instrument (MIRI). \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith its powerful, infrared vision and extremely high spatial resolution, Webb shows never-before-seen details in this galaxy group. Sparkling clusters of millions of young stars and starburst regions of fresh star birth grace the image. Sweeping tails of gas, dust and stars are being pulled from several of the galaxies due to gravitational interactions. Most dramatically, Webb’s MIRI instrument captures huge shock waves as one of the galaxies, NGC 7318B, smashes through the cluster. These regions surrounding the central pair of galaxies are shown in the colors red and gold. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTogether, the five galaxies of Stephan’s Quintet are also known as the Hickson Compact Group 92 (HCG 92). Although called a “quintet,” only four of the galaxies are truly close together and caught up in a cosmic dance. The fifth and leftmost galaxy, called NGC 7320, is well in the foreground compared with the other four. NGC 7320 resides 40 million light-years from Earth, while the other four galaxies (NGC 7317, NGC 7318A, NGC 7318B, and NGC 7319) are about 290 million light-years away. This is still fairly close in cosmic terms, compared with more distant galaxies billions of light-years away. Studying these relatively nearby galaxies helps scientists better understand structures seen in a much more distant universe.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eThis item ships rolled.\u003c\/strong\u003e\u003cbr\u003eFree with any purchase with the code \u003cstrong\u003equintet \u003c\/strong\u003eat checkout\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Default Title","offer_id":43335814906065,"sku":"JW-2554","price":4.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/jwst-historic-poster-3-stephans-quintet-jw-2554-833949.jpg?v=1790543517"},{"product_id":"large-surgical-scissors-6-5","title":"Large Surgical Scissors - 6.5\"","description":"\u003cp\u003e\u003cspan\u003eCrafted from high-quality stainless steel, these 6.5-inch operating dissecting scissors feature a curved blade that enhances visibility and precision when working in deep or confined surgical sites. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTheir ergonomic design supports meticulous dissection, making them an essential tool for professional medical procedures (but we use them for everyday cutting in the lab and workshop).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eShips non-sterile, but sterilizable\/autoclavable.\u003c\/span\u003e\u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Default Title","offer_id":43335815168209,"sku":"LA-4696","price":7.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/IMG_5479.jpg?v=1790543517"},{"product_id":"authentic-imax-film-cell-framed-15-70-cinema-frame","title":"Authentic IMAX Film Cell – Framed 15\/70 Cinema Frame","description":"\u003ch4\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eA SINGLE IMAGE FROM CINEMA’S LARGEST FILM FORMAT \u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThis film frame is from a nature documentary shot using the proprietary IMAX film format. Each cell has been carefully preserved in a protective, displayable frame.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEver since motion pictures were first created, the industry has continually invented ways to further impress audiences. One of these improvements was the IMAX system which allowed screens to be much bigger and visually impactful than standard film. But achieving this simple upgrade took a great deal of engineering. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEvery step, from shooting the film to projecting it, requires special equipment and an incredible amount of work. For example, to project an IMAX feature film, up to 60 reels have to be spliced together to create one continuous film that could be over 10 miles long. Even the projector itself is massive and requires a special vacuum system, compressed air systems, and a water-cooled quartz bulb. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLike most cinema, IMAX has largely converted to digital projection, which has eliminated many of these technical challenges. The trade-off however, is the maximum resolution of an IMAX digital picture is estimated to only be 1\/4 of IMAX film. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAlthough film has no pixels, experts commonly estimate that a well-exposed 15\/70 IMAX negative contains detail comparable to approximately 18K digital resolution (or roughly 300 million pixels). \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProtip: \u003c\/strong\u003eTo get a good look at your film, pull up a white screen on your phone and hold the frame over it with brightness all the way up.\u003c\/p\u003e\n\u003cp\u003eEvery film cell is unique. You may not receive the exact frames pictured, but similar ones from the same film according to the subject you select. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eDisclaimer: \u003c\/strong\u003eThis item is a second-hand, authentic collectible. Stemcell Science Shop is an independent reseller and is not affiliated with, sponsored by, or endorsed by IMAX Corporation. IMAX® is a registered trademark of IMAX Corporation.\u003c\/em\u003e\u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Sealife","offer_id":43335815233745,"sku":"IM-1455","price":18.0,"currency_code":"USD","in_stock":true},{"title":"Space Shuttle","offer_id":43335815266513,"sku":"IM-1457","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/IMG_7648.jpg?v=1790543517"},{"product_id":"inconel-superalloy-bolt","title":"Inconel Superalloy Bolt","description":"\u003cp\u003eInconel 718 is the highest grade in a class of superalloy metals, renowned for its exceptional resistance to oxidation, corrosion, and extreme temperatures.\u003c\/p\u003e\n\u003cp\u003eThis high-grade nickel-chromium-based alloy is reserved for use in extreme applications such as spacecraft, where performance under severe conditions is critical. In fact, the Space Shuttle was secured to the launch platform by just eight Inconel studs.\u003c\/p\u003e\n\u003cp\u003eInconel 718 maintains its impressive strength and structural integrity across a wide temperature range, from cryogenic levels to over 1,300°C (2,370°F). Its high nickel content ensures outstanding resistance to oxidation and corrosion, even in highly acidic environments.\u003c\/p\u003e\n\u003cp\u003eThe production of Inconel 718 is complex and costly, reflecting its high performance and reliability in the most extreme engineering scenarios where failure is not an option. Even simple components, such as bolts made from this superalloy, can cost over $100 each due to the expensive production process.\u003c\/p\u003e\n\u003cp\u003eThis listing is for one Inconel bolt.\u003c\/p\u003e\n\u003c!----\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Default Title","offer_id":43335815135441,"sku":"IN-4235","price":8.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/inconel-superalloy-bolt-in-4235-926956.jpg?v=1790543517"},{"product_id":"floating-coins-3-pk","title":"Floating Coins - 3\/pk","description":"\u003cp data-start=\"131\" data-end=\"259\"\u003eAt first glance, a 1-yen coin seems unremarkable, but this feather-light aluminum disc is a masterclass in physics and design.\u003c\/p\u003e\n\u003cp data-start=\"261\" data-end=\"611\"\u003eIntroduced in 1955, it weighs exactly 1 gram and spans just 20 millimeters. Made of pure aluminum, it’s so low in density that surface tension can hold it afloat on water—an everyday object turned into a physics demonstration. Like ships balanced on the ocean, the coin presses down, but the water’s molecular “skin” pushes back, keeping it afloat.\u003c\/p\u003e\n\u003cp data-start=\"613\" data-end=\"894\"\u003ePlace two of these coins side by side and something remarkable happens: they creep together. The scientific term for this is the Cheerios effect, where floating objects bend the water’s surface into tiny slopes, sliding toward one another as though pulled by a miniature gravity.\u003c\/p\u003e\n\u003cp data-start=\"896\" data-end=\"1096\"\u003eWhat began as Japan’s smallest unit of currency has also become a physics favorite, a humble coin that reveals the hidden rules of surface physics while carrying with it decades of economic history.\u003c\/p\u003e\n\u003cp data-start=\"896\" data-end=\"1096\"\u003eIncludes 3 floating coins\u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Default Title","offer_id":43335815332049,"sku":"FL-4815","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/IMG_6338.jpg?v=1790543517"},{"product_id":"field-specimen-collecting-box","title":"Field Specimen Collecting Box","description":"\u003ch4\u003ePortable Field Kit for Rock \u0026amp; Mineral Collectors\u003c\/h4\u003e\n\u003cp\u003eSometimes plastic is the perfect material. This specimen collecting box is an example. When you're out collecting samples of rocks or organic materials, you want something compact, durable, lightweight, and reusable. This specimen collecting box fits easily in your backpack or car, giving you a reliable way to preserve and organize samples while you're out collecting.\u003c\/p\u003e\n\u003cp\u003eThe box can be divided into 3 to 8 compartments using the removable panels, and features a robust closure clamp—not those wimpy latches that wear out first and make the rest of the box useless. \u003c\/p\u003e\n\u003cp\u003eMeasures approximately 4 5\/16\" x 2.5\" x 1\". \u003cmeta charset=\"utf-8\"\u003e\u003cem\u003ePictured specimens not included\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003ePerfect for amateur naturalists, educators, and serious collectors who want to build their collection one specimen at a time.\u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Default Title","offer_id":43335815200977,"sku":"SP-1670","price":3.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/IMG_5983.jpg?v=1790543518"},{"product_id":"steel-date-nail","title":"Steel Date Nail","description":"\u003cp\u003eThis steel nail is called a date nail. These were used by railroads and utility companies until the 1970’s to identify when wood ties and poles were installed. The number on its head is the year it was used.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e* Acrylic test tube not included.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eWe also have \u003ca href=\"https:\/\/stemcelltulsa.com\/products\/atomic-era-date-nails\"\u003ePre-Atomic Age Date Nails\u003c\/a\u003e (numbered up to 1944) with no background radiation—often called \"low-background steel\".\u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"1945","offer_id":43335815364817,"sku":"AT-1690","price":4.0,"currency_code":"USD","in_stock":true},{"title":"1946","offer_id":43335815397585,"sku":"AT-1691","price":4.0,"currency_code":"USD","in_stock":false},{"title":"1947","offer_id":43335815430353,"sku":"AT-1692","price":4.0,"currency_code":"USD","in_stock":true},{"title":"1948","offer_id":43335815463121,"sku":"AT-1693","price":4.0,"currency_code":"USD","in_stock":true},{"title":"1949","offer_id":43335815495889,"sku":"AT-1694","price":4.0,"currency_code":"USD","in_stock":true},{"title":"1950","offer_id":43335815528657,"sku":"AT-1695","price":4.0,"currency_code":"USD","in_stock":true},{"title":"1951","offer_id":43335815561425,"sku":"AT-1696","price":4.0,"currency_code":"USD","in_stock":true},{"title":"1952","offer_id":43335815594193,"sku":"AT-1697","price":4.0,"currency_code":"USD","in_stock":true},{"title":"1953","offer_id":43335815626961,"sku":"AT-1698","price":4.0,"currency_code":"USD","in_stock":true},{"title":"1954","offer_id":43335815659729,"sku":"AT-1699","price":4.0,"currency_code":"USD","in_stock":false},{"title":"1955","offer_id":43335815692497,"sku":"AT-1700","price":4.0,"currency_code":"USD","in_stock":true},{"title":"1956","offer_id":43335815725265,"sku":"AT-1701","price":4.0,"currency_code":"USD","in_stock":false},{"title":"1957","offer_id":43335815758033,"sku":"AT-1702","price":4.0,"currency_code":"USD","in_stock":false},{"title":"1958","offer_id":43335815790801,"sku":"AT-1703","price":4.0,"currency_code":"USD","in_stock":false},{"title":"1959","offer_id":43335815823569,"sku":"AT-1704","price":4.0,"currency_code":"USD","in_stock":true},{"title":"1960","offer_id":43335815856337,"sku":"AT-1705","price":4.0,"currency_code":"USD","in_stock":true},{"title":"1961","offer_id":43335815889105,"sku":"AT-1706","price":4.0,"currency_code":"USD","in_stock":false},{"title":"1962","offer_id":43335815921873,"sku":"AT-1707","price":4.0,"currency_code":"USD","in_stock":false},{"title":"1963","offer_id":43335815954641,"sku":"AT-1708","price":4.0,"currency_code":"USD","in_stock":false},{"title":"1964","offer_id":43335815987409,"sku":"AT-1709","price":4.0,"currency_code":"USD","in_stock":false},{"title":"1965","offer_id":43335816020177,"sku":"AT-1710","price":4.0,"currency_code":"USD","in_stock":false},{"title":"1966","offer_id":43335816052945,"sku":"AT-1711","price":4.0,"currency_code":"USD","in_stock":false},{"title":"1967","offer_id":43335816085713,"sku":"AT-1712","price":4.0,"currency_code":"USD","in_stock":false},{"title":"1968","offer_id":43335816118481,"sku":"AT-1713","price":4.0,"currency_code":"USD","in_stock":true},{"title":"1969","offer_id":43335816151249,"sku":"AT-1714","price":4.0,"currency_code":"USD","in_stock":false},{"title":"1973","offer_id":43335816184017,"sku":"AT-1715","price":4.0,"currency_code":"USD","in_stock":false},{"title":"Illegible","offer_id":43335816216785,"sku":"AT-1716","price":4.0,"currency_code":"USD","in_stock":true},{"title":"Letters","offer_id":43335816249553,"sku":"AT-1717","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/steel-date-nail-at-1690-607177.jpg?v=1790543517"},{"product_id":"s-gravesande-s-ring","title":"‘s Gravesande’s Ring","description":"\u003cp\u003eA ‘s Gravesande’s ring is an apparatus for demonstrating thermal expansion and contraction, a fundamental principle in thermodynamics.\u003c\/p\u003e\n\u003cp\u003eNamed after Dutch scientist Willem ‘s Gravesande, the apparatus consists of two main components: a brass ring, and a brass ball slightly smaller in diameter than the ring. The ball can pass freely through the ring when both are at the same temperature. However, when the ball is heated, it undergoes thermal expansion and no longer fits through the ring. Once it cools down, it contracts and is again able to pass through.\u003c\/p\u003e\n\u003cp\u003eAt a microscopic level, when the brass ball is heated, the kinetic energy of its molecules increases. This heightened energy causes the molecules to vibrate more vigorously and take up more space, leading to an increase in the overall size of the ball.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe demonstration could also be reversed by cooling the ring instead of heating the ball. When the ring is cooled, its molecules lose kinetic energy and vibrate less intensely, causing the ring to contract slightly. 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Some versions are even designed to work with artificial hearts and dialysis machines, ensuring medical technology is rigorously tested before reaching patients. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNon-toxic and ethically produced, simulated blood is an essential tool in modern medicine—pushing the boundaries of medical education, emergency preparedness, and biomedical innovation without a single drop of the real thing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e30mL (1 fl oz) per vial. Made for training simulation scenarios. Contains no actual blood. We cannot accept returns on this or other consumables.\u003c\/em\u003e\u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Default Title","offer_id":43335816380625,"sku":"ME-4463","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/0361\/9281\/files\/IMG_6309_9b919890-3c50-4c3a-a8f6-07a04025f46f.jpg?v=1790543524"},{"product_id":"fossil-blind-bag","title":"Fossil Blind Bag","description":"\u003cp\u003eStart your personal museum of natural history!\u003cbr\u003e\u003cbr\u003eIntroducing our Prehistoric Fossil Blind Bags. Each blind bag in this series includes a random fossil of the eight authentic prehistoric fossils below. These fossils range from 40 million to 380 million years old and have been hand-selected by our paleontology experts. Every fossil includes an \u003cstrong\u003einformation card\u003c\/strong\u003e about the creature, a \u003cstrong\u003ecertificate of authenticity\u003c\/strong\u003e, and a protective \u003cstrong\u003edisplay capsule\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWe've handpicked only the most exquisite specimens for our blind bags. \u003cstrong\u003eCollect them all for your collection!\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch4\u003ePaleontology Series 1 includes:\u003c\/h4\u003e\n\u003ch5\u003e(⭑ = RARITY)\u003c\/h5\u003e\n\u003col\u003e\n\u003cli\u003eMosasaur Tooth (66 million years old)\u003c\/li\u003e\n\u003cli\u003eDinosaur Bone Fragments (65.5–145.5 million years old) ⭑\u003c\/li\u003e\n\u003cli\u003eEnchodus Fang (70 million years old)\u003c\/li\u003e\n\u003cli\u003eInsect Fossil in Amber (40 million years old) ⭑⭑\u003c\/li\u003e\n\u003cli\u003eSqualicorax Tooth (70 million years old)\u003c\/li\u003e\n\u003cli\u003eTrilobites (380 million years old)\u003c\/li\u003e\n\u003cli\u003eSea Snake Vertebra (55 million years old) ⭑\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cem\u003eMystery Fossil\u003c\/em\u003e \u003c\/strong\u003e⭑⭑⭑\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cbr\u003eSince these are authentic and natural fossils, please expect some slight variation in size, shape, coloring, etc. Random assortment. 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Each pack contains 42 unique, tarot-sized science cards about real specimens, artifacts, and phenomena from our curated collection. \u003c\/p\u003e\n\u003cp\u003eEvery card details the item's scientific properties, historical significance, and why it matters. From fossils to space artifacts to lab phenomena, each one is a conversation starter disguised as a collectible.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuild your collection. Master the facts. Boost your brain. \u003c\/strong\u003eThis is the ultimate release for science enthusiasts, niche collectors, and educators who demand authenticity with their wonder.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGet a free booster pack\u003c\/strong\u003e when you buy any 3 items from our Matter Items collection. Just add it to your cart along with the qualifying items and the discount will apply automatically. 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They stay exposed, helping the animal grip soil, scramble over uneven ground, dig at dens, and make sudden turns while chasing prey. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCoyotes are famous for thriving almost anywhere: deserts, forests, grasslands, suburbs, and even dense cities. Their paws are part of that success. Each step is supported by tough pads, flexible toes, and blunt, durable claws that handle long-distance travel over rough terrain. This helped make the coyote one of the most successful wild carnivores on the continent. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike wolves, which usually depend on larger prey and pack hunting, coyotes are extreme generalists. 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