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Can you GROW an Opal?
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Something Strange Happens When You Trust Quantum Mechanics
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Dissolving $1000 of Platinum to Make $6000 of Chloroplatinic Acid for Professional Use
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Como cultivar cristais em casa RÁPIDO!!!
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The Most Dangerous Chemical I've Ever Made.
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Making Uranium Tetrachloride out of my Rock
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Empilhando 5 módulos Peltier e atingindo -90℃
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