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space science #satalite #educational video #trending video #viral video #facts

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The lightest tree in the world, "balsa wood", grows 10 meters a year. Just cut it down and carry it

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The roller itself is hollow, so how can it generate 60 tons of high pressure? The secret lies within

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

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

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How does a 100-meter tower crane rise? How does the driver get on? I finally understand the principl

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What is the "Jello Effect"? Why do fan blades appear distorted when photographed with a camera?

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