What is an "air umbrella"? Does it work if it uses airflow to blow away rain without an umbrella?

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

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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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Iran finally took action

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We Cannot Know The Authenticity Of These Clips...

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Some not-so-cold cold knowledge in Genshin Impact [Issue 24]

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Some not-so-cold knowledge in Genshin Impact [Issue 23]

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Some not-so-cold knowledge in Genshin Impact [Issue 27]

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centaurs, centaurs

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Why can silver cut ice in seconds? Put a silver bracelet on it and a magical phenomenon will happen.

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What is a Chaos Pendulum? Gently touch the pendulum with your hand and an interesting scientific phe

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The strange "Penrose Room", why is it that there are mirrors on all four sides but it cannot illumin

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The stickiest couple: erasers and rulers! Why do they always stick together? They even melt.

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What is "cushion paper"? Gently pull out the honeycomb grid, which could replace plastic packaging!

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The incredible "lawn bubble" is soft when stepped on, but interesting phenomena occur when it is pop

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The incredible "floating foam cloud" is just a matter of sweeping it with a stick, and an interestin

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The strange "Euler disk" is spinning faster and faster on the mirror. Where does the energy come fro

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The incredible "Leaning Tower of Rila", why can the wooden blocks extend infinitely without collapsi

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A genius invented the "Golden Lips Bug," which lay inside the American national emblem for seven yea

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The incredible "Diamond Mud" - stick it on the metal gap and a magical phenomenon will happen!

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What is the purpose of the "little house" you see during an eye exam? Why is it sometimes clear and

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