- cross-posted to:
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- cross-posted to:
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A tiny radioactive battery could keep your future phone running for 50 years::A glowing horizon for phones
A tiny radioactive battery could keep your future phone running for 50 years::A glowing horizon for phones
They do, if you give them enough room. And if you are born into an oil family.
The power density is about 0.01125m³ per watt. A high end smartphone (11w of peak power) with a body size similar to Galaxy s23 ultra, would be almost 10 meters thick.