The incredible "Laval tube": the wider the tube, the faster the gas flows. Do you know the principle

Is the air fryer, a much-hyped all-purpose cookware, really healthier than deep-frying? [Food Record

saiboshilu

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Those super cool mechanical series of speed bumps~

jixiepangke

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How harsh is the environment on a polar research vessel? #PopularScience #Unzip #ResearchShip #Polar

haoqiwanhuatong

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How sexy is sexy lingerie?

paidahexiaokui

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Relaxing video: Skilled workers at a satisfying job site~

jixiepangke

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【HISHE】Jurassic Park Parody 1

jiqishudezahuopu

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Spoon/fork: If I had known this was a bad factory

xiaokechibaobao

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20 common mechanical transmission structures, I'm exhausted

Jinzhengmeiyongde

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Could the rift in spacetime really open?

jingjing____

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稀土是什么？“中东有石油，中国有稀土”！了解中国稀土的重要性

lengkepu

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How does the "fuel pump" work? Why does it automatically pop open when the tank is full?

lengkepu

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Disclose our top secret data

hetongxuegongzuoshi

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What is the "Omron Ring"? A strange phenomenon occurs when a banknote is put into a copy machine.

lengkepu

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Why does it rain bubbles? Slow down water drops on sand 500 times! An interesting phenomenon occurs

lengkepu

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Incredible "powder dip coating", insert the frame into the powder pool, and interesting phenomena wi

lengkepu

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How corrosive is aqua regia? A man used a truckload of aqua regia to dissolve 8 tons of gold. Do you

lengkepu

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What is the mercury heart? Slowly bring an iron nail close to mercury and an interesting scientific

lengkepu

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The incredible "self-locking" phenomenon: Why don't the foot buckles used to climb telephone poles s

lengkepu

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The incredible "fluidized bed", sand flows like liquid, do you know the principle?

lengkepu

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How did the ancients make fire? Rubbing a steel bar against a stone, an interesting phenomenon occur

lengkepu

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