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so even if inserted into a stone mask there is no risk of it actually turning you from an Aztec double-vampire into the ultimate lifeform
diffuse skylight and even indoor lighting
Styro grew these polycrystalline rubies by hitting a powdered mixture of alumina and chromia with his new
Though the gem world sometimes thinks of it only as a diamond stand-in I prefer to think of it as a gem all its own
Perovskite Laser Rods, Vintage Soviet YAP Crystals Rod Type:Rod Segment 6mm Diameter 60-65mm Long so even if inserted intoThese are partial and complete laser rods of yttrium aluminum perovskite (YAP). As far as we know these are offcuts and failed rods that didn't quite make it into final production or usage. These laser rods were meant for use in solid state lasers. They would have had light pumped into them from the side, either by a lamp or by another laser, absorbed that energy and converted it into the powerful coherent beam that lasers are known for. Perovskite is
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