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> Onion headlines aside

Well technically speaking crude oil is a form of solar energy. (Sun -> plants -> animals -> crude oil)

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

Gravity, just ask Jupiters' Moons.

So tidal power, basically?

Yep

Post was flagged, likely because the ratio of comments. Single word contributions like this do not help.

The post being flagged has nothing to do with my comment, please don't sensationalise

> 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

> nobody

[citation needed]. Project Pacer might be controversial and uneconomical, but still interesting.

OK, not *literally* nobody at the human level, just *metaphorically* nobody at the human level (or literally at the level of nations) given that even normal boring fission plants make voters stick their tongues out and complain.

Isn't solar derived from nuclear fusion?

Nukes for the win!

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