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Low energy consumption checks out - a brain uses only 12 watts.

You have to feed and train it for the first 15+ years before it's any good though.

Brutal truth, that's also assuming 100% success rate. Lots of brains turn out to be shitty brains after 15+ years too...

"Insanity -- a perfectly rational adjustment to an insane world." — R. D. Laing

Your brain uses 12 watts at rest and 120 watts under stress.