Each door of your refrigerator has a molded rubber gasket to keep the cold in and the heat out. When this gasket gets old and brittle, it leaks. If your refrigerator is running more frequently and you ...

[Ben Krasnow] noticed, and he built a rubber band cooled refrigerator to demonstrate the concept. The idea of stretching a rubber band to make it hotter, then releasing it to make it cooler ...