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Algae powers computer for a year using only light and water
(www.anthropocenemagazine.org)
General discussions about "science" itself
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With embedded battery, where neither depend on mined metals, both are biodegradable and non toxic, and it's carbon fixing (negative greenhouse gas impact). Yeah that's fucking groundbreaking.
You don't need a battery, just a capacitor for these levels of power draw, and you would be hard pressed to find a material that is more abundant on earth then silicon.