Calvin_And_Hobbes
:
2022-12-13.1
Garfield
:
2022-12-13.1
Wizard_of_Id
:
2022-12-13.1
Dilbert
:
2022-12-13.1
xkcd:
"Hydropower Breakthrough"
2022-12-13.1
A hydroelectric dam is also known as a heavy water reactor.
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