Comment Comment by helsinkiandrew Ben Krasnow/Applied Science, built a "3D-printed, alcohol-powered, Einstein-Szilard absorption refrigerator" using one:https://www.youtube.com/watch?v=doZ5e4YVdEs[EDIT] coverage of the printer starts here: https://www.youtube.com/watch?v=doZ5e4YVdEs&t=708s parent helsinkiandrew 2 days ago
https://www.youtube.com/watch?v=doZ5e4YVdEs
[EDIT] coverage of the printer starts here: https://www.youtube.com/watch?v=doZ5e4YVdEs&t=708s