[orwin]

The first fission reactor was in activity 10 000 years ago. Well, probably not even the first.

Wind power was exploited since the 11th century? Or is it 13th? I'm not that clear on that. Solar cell appeared somewhat late in the 19th century.

Fusion is real too, and older than all of those. The issue is the scale.

[triceratops]

> The first fission reactor was in activity 10 000 years ago. Well, probably not even the first.

What are you referring to?

[leephillips]

Maybe something like this: https://blogs.scientificamerican.com/guest-blog/natures-nucl...