Only 20 watts needed to power the human brain
- “The human brain runs on only about 20 watts of power, equal to the dim light behind the pickle jar in your refrigerator,” Discover magazine reports. “By contrast, the computer on your desk consumes a million times as much energy per calculation. If you wanted to build a robot with a processor as smart as the human brain, it would require 10 to 20 megawatts of electricity.”
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Electricity is civilization": Winter looms over Ukraine battlefront
KYIV - On the freshly liberated battlefields of northeast Ukraine, a pile of smashed glass windows outside one Soviet-era block of apartments attests to the violence of six months of Russian occupation, and of Ukraine’s sweeping recent military advances.
Indoors, in cramped apartments, residents lived in the dark for weeks on end.
Now, with a hard winter looming, they marvel at the speed and urgency with which Ukrainian officials have restored another key ingredient to their survival: electric power.\
Among those things governments strive to provide are security, opportunity, and minimal comfort. With winter approaching, and Russia targeting Ukraine’s infrastructure,…
