- cross-posted to:
- technology@lemmy.world
- cross-posted to:
- technology@lemmy.world
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.