Technology
A battery that runs for decades on radioactive decay
HERE’S THE INTERESTING PART
If you want a battery that outlives you, just pack it full of radioactive isotopes. Unlike solar panels that catch photons, betavoltaic devices use a semiconductor junction to capture high-energy beta particles emitted by a decaying radioactive source like tritium. While the power output is incredibly weak, it generates continuous electricity for upwards of twenty years without ever needing a recharge.
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