The incredible Buffon needle throw: throwing a needle randomly on paper can actually calculate "π"!

This is the first time I've seen this kind of lighter! Slide the metal clip to the right and somethi

lengkepu

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DIY Process | DIY Tricks You Could Use

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The bullied eventually become the bullies!

haiwaishipinlv

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[Science] Amazing science magical toys to astonish you

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Today's stress-relieving video: an awesome mechanical series~

jixiepangke

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"How Steel is Tempered"

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Xiao Wu finds Aisha to go to school

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We Cannot Know The Authenticity Of These Clips...

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Complaints about Advanced mathematics

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Stickman vs. Math (First Draft) Unreleased 1st Draft

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centaurs, centaurs

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[Shen Ji Zhu Tan] Dragons, a mysterious species, willingly descended to the mortal realm and ultimat

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

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[Gouji Toy Appraisal] Toys from the underworld? Popular toy video identification on the Internet 1

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Incredible "sound-induced light", the bubble burst temperature is as high as 20,000℃, which is 4 tim

lengkepu

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Weird mobile calculator: 50% + 50%, why is it equal to 0.75?

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Incredible "hydraulic forming", keep pouring water into the metal shell, and interesting phenomena w

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3 Incredible "Wave Power Generators" That Can Generate Electricity Simply by Being Placed on the Sea

lengkepu

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The incredible "two-way bolt" will not loosen for a hundred years if you twist it left or right. Do

lengkepu

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What is "nitrogen triiodide"? Gently wave a feather over filter paper and an interesting phenomenon

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