this post was submitted on 14 Nov 2024
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Science Memes

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[โ€“] [email protected] 10 points 20 hours ago (1 children)

Don't skip the betavoltaic battery, (or the brand-name: Betacel), which turns beta-radiation directly into electricity. They used them in the 70s to power pacemakers, since batteries were kinda shit back then, and implanting Prometium into people is just too epic not to do.

Nowadays we have tritium-decay betavoltaic batteries, on satellites, buried or underwater sensors and probably some too secret military stuff.

[โ€“] [email protected] 5 points 19 hours ago

Ooo, good call.

There's also radioisotope piezoelectric generators, where the electrons are caught by a cantilever and then released in regular pulses. An electron waterwheel if you will.