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The potato paradox is a mathematical calculation that has a result which seems counter-intuitive to many people. The Universal Book of Mathematics states the problem as such:[1]
Fred brings home 100 kg of potatoes, which (being purely mathematical potatoes) consist of 99% water. He then leaves them outside overnight so that they consist of 98% water. What is their new weight? The surprising answer is 50 kg.[2]
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PZL M-15 Belphegor A Soviet attempt at a turbofan-powered crop duster. It is the slowest jet aircraft to enter production as well as the only jet biplane or jet crop duster to exist.
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