how does this compare to the aa battery in the photo | Hacker News

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		Aeroi on July 8, 2023 \| parent \| context \| favorite \| on: Algae powers computer for a year using only light ... how does this compare to the aa battery in the photo

onetom on July 9, 2023 [–]

it compares in physical size. also, it's a visual metaphor.

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