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

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

haoqiwanhuatong

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Can cliff skiing cause an avalanche? #Science #Unwind #CliffSkiing #Avalanche #Trivia

haoqiwanhuatong

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Why do two people need to swing the hammer when forging iron? #Science #Unzip #Ironmaking #Forging #

haoqiwanhuatong

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Why does steel slag when forging iron? #Science #Unzip #Forging #ExtremeComfort

haoqiwanhuatong

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Tie a rocket made of 60,000 matches to a car and see how far it can be pushed?

Lierdou

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The legendary fate of cicada monkeys: they hid for 17 years and lived for only 2 months.

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Why is steel colored after cutting? #Science #Unzip #Metalworking #CoolKnowledge

haoqiwanhuatong

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The most cutting details of "Guardians of the Galaxy Vol. 3"

ayinshitiaoxianyu

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Why do honey collectors only harvest a small portion of the hive when harvesting honey at high altit

haoqiwanhuatong

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42 The brother is so crazy, he looks like he wants to kill the hero! The hero is about to be conquer

yancheng1

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Why are the joints of steel cables so strong? #Science #Unzip #SteelCable #MachineryManufacturing #E

haoqiwanhuatong

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Why does a well spout gas? #Science #StressRelief #Drilling #Well Blowout #FunFacts

haoqiwanhuatong

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jjking: Is this the No. 1 top lane Nunu in the Chinese server!?

bbggzhushizimiao

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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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Why is ice so slippery? A seemingly simple question that has puzzled scientists for centuries

lengkepu

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Incredible "boiling sand". Pour potatoes into hot sand and interesting phenomena will happen!

lengkepu

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

lengkepu

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Incredible "conductive glass"—the brighter the bulb burns as you heat it. Do you know the principle

lengkepu

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