So winter may be in full effect for a few parts of the world, while others are still trying to just chill out. I am talking to you San Juan! This fun DIY came to us by YouTube user DesertSun02 (very appropriate name) who aims to create instruments that are solar power friendly. We here at IE can definitely get behind a cause like this, especially when an AC unit can really tear a hole in your energy bill.
Then comes the temperature source, which is really just a huge tray of solid ice. You can get ice at any corner store for about $3 but our friend here just takes a small plastic bin, and fills it with water to freeze, then places that entire block in the cooler. He shows that even after 5 hours of cooling, the block is still going strong with just maybe half of it melted back into water. Once you power the fan, you will notice very cool air start to shoot out of the PVC tube giving you your own homemade air conditioning unit.
Sursa articol: interestingengineering.com
Sursa video: youtube.com
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