[Adric Menning] has an unfortunate allergy. He’s allergic to chocolate. Instead of eating the stuff, he’s using it to build model rocket engines. The project stems from the Quelab Hackerspace’s chocolate hacking challenge which spawned a number of interesting hacks. [Adric's] doesn’t use pure chocolate (an experiment with a Hershey’s bar was a bust) but [...]

Next time you’re making yourself a tunafish sandwich, try to figure out how to build a Sterling engine from the leftovers (translated). If you can pull it off as well as [Killerlot] did we’d say you’ve earned your hacker badge. The can used in this project was actually sardines in tomato sauce, but the former contents are moot. [...]

[Johan von Konow] found that he was using an FTDI USB-to-Serial chip in a lot of his projects and wanted to have an easy prototyping component on hand to facilitate this. What he came up with is the extremely small USB to serial dongle seen above. The copper fingers are designed to plug into your [...]