That box of assorted rubber O-rings under the workbench in your shop might supply the cure to leaky hydraulic connections, or it might just interrupt the leak for a day or two. Flat-face hydraulic ...

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 ...

Egged on by adoring fans who demanded more aircraft videos, [ProjectAir] has decided to break the world record for rubber band powered aircraft… despite having never built a rubber band powered ...