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MikeNotThePopetoday at 11:28 AM2 repliesview on HN

What energy sources do we have that don't ultimately derive from either solar of radioactive decay? Residual heat from object formation perhaps.


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ben_wtoday at 11:34 AM

> solar of radioactive decay

We can do fusion, but given the only large sources of that are fusion bombs and nobody wants a bomb-based power plant… :P

_joeltoday at 11:29 AM

Gravity, just ask Jupiters' Moons.

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