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how astronaut's sleep in space

 
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mentos and coke reaction in slow motion

science!

 
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Firetrucks in the future

because of so much highrise buildings, this is actually very practical in urban areas. Can't wait to see this firetruck in the future.

 
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that's quite interesting

 
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a fossil

damn, that's just cool

 
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that's very smart

 
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