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What is a semiconductor? What are semiconductors used for? A 3-minute guide to understanding semicon
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What is hot ice? Do you know how your palm freezes quickly when you put it in liquid?
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Can you tell what's real and what's fake?
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Animal Mysterious Death Identification 14
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He's finally here! ! It's really funny, he plays a mute and a drunkard with a stammer. Others are re
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A puzzling question: Why is pepper not allowed in the dishes of the Winter Olympics?
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The incredible "Paternoster Elevator" has no doors and never stops. Do you know how it works?
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Toilet paper orientation: A question that has been debated for decades: should the paper face inward
What’s an “earworm”? Why are we always obsessively stuck with catchy tunes?
What is "saturation diving"? Why can you work once and then take a month off if you earn 200,000 yua
Gombz: A shape that shouldn't exist can always maintain balance. Do you know the principle?
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The temperature in space is -270.4℃, so why does the space station need to increase heat dissipation
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What is the fastest curve? When three small balls are pushed down from the same height, an interesti
The incredible "Magnus effect": why can a few cylinders drive a ship forward?
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The sea surface is turbulent—how does the drilling platform stay stable? Is it supported by pillars
What is a "chemical anchor"? When you drop a glass tube into a drill hole, something interesting hap
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Unbelievable metal "infectious disease": tin plates expand and shatter when they come into contact w
The incredible "calcium carbide lamp" can provide light by dropping water on the stone. Do you know
What are those "transparent bugs" you see when you're daydreaming? Why do their bellies sometimes gl
Interesting science experiment, how to make the simplest centrifuge? Try it with rope and paper