All that is explained in the linked article if you read it: https://erik-engheim... | Hacker News

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		socialdemocrat on Jan 9, 2021 \| parent \| context \| favorite \| on: Microprocessors Running on Air? All that is explained in the linked article if you read it: https://erik-engheim.medium.com/making-a-non-electric-rover-... Fluidics can run amplifiers for acoustic signals, which you can use for transmission. Seeing can be done like bats. Article gets into the details.

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