Ep 226: Ice, Snow, and Cooling Paint in July
Hackaday Podcast
00:00
How to Make Your House Cooler
The ancients had all this passive cooling technology that we don't use anymore because we have air conditioning so if you go to the right parts of the world you can still see some of this like in ancient egypt they would have water that would trickle down the windows and it would evaporate. You could take just regular old calcium carbonate and random size chunks and paint it on your wall and it would probably cool it down a little bit but it's really reflective anyway i'll probably keep your house from heating up. There are estimated 1% of earth's surface is radiating heat out into space there are people who have estimated that if you could make about 1% of the sky covered
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