4 Different Clocks from SCRATCH (Hourglass, Sundial, Water Clock, Candle Clock)
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Conquering Clear Glass
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Making Soap from EVERYTHING (Pigs, Plants, Potash, Plus more!) | HTME: Toiletries
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How does a "first surface" mirror work? (2^15 sub special!)
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Can You Turn Wildflowers into Rubber?
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How To Make Ruby in a Microwave
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The "Impossible Torpedo" was real
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Making A Billion-Year Lego Clock
19:08