The energy consumed by the US is less than 0.1% of the energy the planet gets from the Sun, so I'm not sure the 5% comparison holds water. Besides, computers re

The energy consumed by the US is less than 0.1% of the energy the planet gets from the Sun, so I'm not sure the 5% comparison holds water. Besides, computers return their energy cost many times over. I do agree with the article's conclusion though: the human brain runs at 20W, on par with a low-power laptop, but arguably the former does much more with that energy.