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A comment on Amazon Echo Flex Teardown: The Big Silicon. Parent comment

Re:Amazon Echo Flex Teardown: The Big Silicon by yjftsjthsd-h on Monday January 18, 2021 @01:58AM (#25819023)
You still need carbon; plants just extract it from the air using light.
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Re:Amazon Echo Flex Teardown: The Big Silicon by vbezhenar on Monday January 18, 2021 @02:17AM (#25819124)
Reuse CO2 and human waste. You need some income, as reuse can't be perfect, but I think it's manageable.
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