Earlier quoted context omitted.
Wow, cool. How did you go about assembling it? brought
Nothing big or special. I punched some holes into the bottle and made it drip onto the towel that was wrapped around the box that contained our snacks etc. Had a fan pointed to the towel. That is all. Evaporative (heat) loss is the keyword. What made me remember this, was the fact that I was in between about 2000 hackers who probably all thought about this.. but that I was (afaik) the only one who actually did it. In…
Swamp cooler is the term.