Последние добавленные видео:
iron-pyrite
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1 year ago
1129296 1 year ago 7:28Fool’s Gold Might Be Better Than the Real Thing
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12 years ago
952257 12 years ago 3:40Lemaitre - Iron Pyrite
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6 years ago
5711988 6 years ago 16:19What is Fool's Gold?
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8 months ago
415645 8 months ago 14:01I Turned Iron Pyrite into PURE GOLD
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4 years ago
320 4 years ago 1:28Problems with Iron Pyrite
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12 years ago
17434 12 years ago 1:36Free Range Chemistry 20 Iron Pyrite - Fool's Gold
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9 years ago
64617 9 years ago 5:30Living in the Stone Age: Fire starting using flint, Iron pyrites and fungus