A Refrigerator That Cools Itself Using Stretched Rubber Bands [Video]

Let’s say that one day the whole world goes bonkers and you end up living in a post-apocalyptic society, this video by Youtuber Applied Science could help you create a refrigerator that cools itself using rubber bands. The design still needs to be perfected, but it does work, even if it just cools the inside of the refrigerator by a few degrees.

[Applied Science]