One idea (lasted longer than 3 centuries) for how to cool hot air

:nlbi: did not require energy be taken by blowing up mountains to get coal, nor any fossil fuel to power combustion engine.

Terra-cotta evaporative cooler [good, informative article - 1]
set a seeping water source and use gravity over a large vertical area to cool terra-cotta or clay tubes.


Sign in to participate in the conversation
Welcome to the Native Reclamation of Turtle Island

WHY YOU SHOULD -- the hatebook is accelerating genocide on PoC. Native Land Before Invasion was not hospitable to Eurocentric _______ (nouns). Nouns can be persons, places, things, or ideas.

image/svg+xml image/svg+xml