Why are electric bike wheels so small, while bicycle wheels are so big?

Can the human body really only withstand 9g? Why did this person walk away unscathed after a 51g car

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The Intersting Reaction of Silver

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Damn, Am I Seeing Sound Now?

11.1K Views

How to ride this bike that bends over?

5.8K Views

Far more than the average family car? A palm-sized inline four! The whole process of assembly!

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The power of science

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Battery Magnet Train

11.6K Views

This silly advertisement made me laugh my head off hahahaha

374 Views

You must ride your bike! Yes, it has no handlebars!

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[Crafting] New concept bikes without a chain

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wheel anchor wheels rolling

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Unlock the Secrets of Physics Together!

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The ultimate beauty of physics

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Let Dianmo be terrified! 3x acceleration, look at silly cars

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Renjiang asks her mother to practice cycling

328 Views

Cyber bike

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Hot Wheels

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There are blisters on the wall. What caused this?

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Car Disassembly Video

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"Hot glue wheels, boy"

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