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You can make a simple water heater using a battery and a wire—here's how. from Wired http://bit.ly/2GPAtpQ https://ift.tt/eA8V8J

The Physics of Heating Up Water With a Battery

You can make a simple water heater using a battery and a wire—here's how.

from Wired http://bit.ly/2GPAtpQ
https://ift.tt/eA8V8J

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