139. Brainpower

08 Jun

The brain uses electricity, but how much? When measured in terms of Watts the human brain expends 20W of power. That is not much.

In fact you would need 5 human brains together to provide the same energy as an average laptop. So yes, brains are not a brilliant source of power. Back to batteries – for now. On the bright side though, a single human brain expends the same energy used by 18 mobile phones.

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Posted by on June 8, 2011 in Trivia


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