Combustion of fuel is usually hidden from sight inside that big hunk of metal called an engine, but Huib Vissier saw something beautiful in this process. That's why he built a simple two-stroke engine that showcases combustion rather than concealing it. Read More >>
Hacker Samy Kamkar recently showed how to easily crack a Master combination lock in eight tries or fewer. But who has the time for that? Thankfully, Kamkar has followed up with this wonderful 3D-printed contraption that does all the hard work for you, in about 30 seconds. Read more >>
Functioning lightsabers. Mini rocket launchers. Homemade carbonated ice cream. Solar USB chargers. Just a few of the projects you can tackle in a weekend, thanks to a growing community of scrappy, curious, smart YouTubers.