Is Watson less efficient than a human?

February 19, 2011
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When it comes to computing efficiency, humans beings blow Watson away. As Jonah Lehrer points out, the human brain requires with less power than a dim light bulb. Watson, as it labors to replicate only one function of the brain–question-answering–heats up a room full of computers, and needs a bank of roaring air-conditioners to keep them from melting. There’s no contest.

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