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Why can a flame gun refurbish plastic?

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Girl lets out a desperate scream as she loses strength while rock climbing

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The world’s Guangji Bridge is the earliest bascule bridge in history.

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Why is a single toothpick so expensive?

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Traditional Penicillin Production

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What is a semiconductor? What are semiconductors used for? A 3-minute guide to understanding semicon

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The weird "Ames illusion"! Push the window and turn it, and an incredible phenomenon will happen

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How hard did the ancients fight to get salt? It took 13 years to dig a salt well over a kilometer de

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When an earthquake occurs, which is safer—the lower floors or the higher floors? Let's start by exam

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What is the principle behind icebreakers? How impressive is China's new-generation icebreaker? Watch

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What is "metal fatigue"? Why can tiny cracks trigger catastrophic accidents?

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Why is there such a big difference between airplane and car seat belts, even though they serve the s

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What is the Galton board? Let 3,000 balls fall through the board, and a magical phenomenon will happ

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