this post was submitted on 22 Nov 2024
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Science Memes

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submitted 1 day ago by [email protected] to c/[email protected]
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[–] disguy_ovahea 6 points 1 day ago (1 children)

It was estimated back when incandescent was standard.

Keep in mind that’s not accounting for energy consumed from neurons burning oxygen, which accounts for 20% of a human body’s consumption.

https://www.ncbi.nlm.nih.gov/books/NBK28194/

[–] [email protected] 9 points 1 day ago* (last edited 1 day ago) (2 children)

20% of your bodies energy is about 20 Watts.

Normal-weight humans burn about 2200 kilocalories a day, which is about 9.2 megajoules. There are 8640 seconds in a day, so that works out to roughly 100 joules per second, or 100 Watt. 20% of that is 20 Watts for the brain.

[–] [email protected] 1 points 1 day ago

That's rest consumtion tho.

[–] disguy_ovahea 2 points 1 day ago

Well done. So even added to the electrical consumption it’s less than an incandescent bulb. Incredible.