Ever noticed that a rubber band gets warmer when it’s stretched? The bands also get cooler when allowed to snap back to relaxed length? [Ben Krasnow] noticed, and he built a rubber band cooled ...

It's not easy turning gigantic, stiff chunks of rubber into thin, elastic rubber bands. In fact, the process is insanely complicated. Thanks to our friends at Science Channel for sharing this ...

how about embedding rubber bands or o-rings into the print itself? Embedding objects into prints usually involves hardware like fasteners or magnets, but this is the first one (we can think of ...