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Old 09-04-2018, 03:21 PM   #2737 (permalink)
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Originally Posted by oil pan 4 View Post
Beta voltaic, alpha voltaic and nuclear thermo cells have been around since the 1950s.
There is nothing experimental about "nuclear batteries".
They can last a few decades to 100 years, all depends on the radioactive element used.
I believe that it was the Cassini Space Probe which had a Plutonium-powered,electrical system.
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