Don't be a fool when you're picking out tools.
Or keep for yourself.
Holiday presents for the tots on your list
A custom chopper-pontoon-racecar
A tiny version of one of history's most powerful trebuchets
Quintron and his Weather Warlock
Enjoy a DIY sugar high
Pittsburgh native Mihir Garimella won the Google Science Fair for his fly-inspired robot
Our ninth annual celebration of independent inventors
How to Build a Catapult in an Afternoon
You can barely tell the difference between it and the real thing.
An air-powered lever that launches people into the sky
A modular, open-source workhorse to help rebuild civilization.
A new drone that's a rescuer not a predator
The science, the creation, the business, and the fun of toys
MakerBot will open a 3-D printing shop on Sept. 20 in New York City. Inside, a new breed of machines prints out designs from the web. The hope: to make the hobby mainstream.
Sodastream machines are nice, but for the true seltzer addict, a do-it-yourself carbonation system can be cheaper, more flexible, and more fun
Marcus Kayser's Solar Sinter project turns the desert's resources into bowls
PopSci teaches you how to make a crossbow, a wooden scooter, a psychedelic light show, and more contraptions you didn't know you needed
The hosts of Food Jammers show how to make a version of a multimillion-dollar commercial grain puffer for about 50 bucks. See the video inside
Reportedly, the wooden copter can soar up to 2,600 feet, but the Chinese government has grounded it for safety reasons
This working X-Wing rocket is just one of the amazing Star Wars replicas being built by sci-fi-loving DIYers around the world. See inside for a full gallery and a, shall we say, fiery video