Perpetual Motion From Negative Mass?

Challenge question: if 1kg of apples is $5 and 2kg is $10, how much is -1kg of apples? The answer? Priceless. Because you could use negative-mass apples to build warp drives, travel in time, and construct a perpetual motion machine. In fact that last one will be today’s actual challenge question.

Season 5 Episode 10 Length 14:28 Premiere: 01/30/19

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