Why can electric current heat a spring? This is because of the thermal effect of electric current. #

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Who said this UP can't build bridges? !

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Converting water into hydrogen is so easy - How to make a simple hydrogen generator!!!

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What, I'm still pretty accurate.

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The Charm of Physics

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Titanic - LEGO Advanced Edition

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The wisdom of the working people is to change the direction of force to move heavy objects. #Science

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I thought only one day had passed, but the girl joined a freezing experiment for 30 million yuan and

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High voltage toys 4

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