Forge bonds without screws, glues, or fancy gear
11 apps to build your real-world social network.
Make a propane-powered forge in your garage and get your hammer and anvil ready
Hackett relies on his ingenuity to turn spring steel into an edged blade.
Film all your explosively good times with a lipstick camera and a big sheet of plastic
Using cheap materials, you can hear music through bone conduction
Keep the sludge off your stuff with a clever DIY filtering system
Turn a regular flashlight into a powerful LED torch that will run for years
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
For less than $1,000, the MakerBot kit provides nearly everything you need for your very own 3-D plastic printer. We find out what it takes to build and use one
A DIY car mount that's a whole lot cheaper than off-the-shelf models
A step-by-step guide to becoming a successful inventor
The winners from the PopSci/InnoCentive challenge--check out these amazing classes any middle-school kid would love to take
Meet project Elcano. For now it's just a self-driving electric tricycle, but its makers have far more ambitious plans using the power of crowdfunding.
Get outside this weekend.
Throw together this pint-sized light-sensitive Theremin for spooky sci-fi sound effects on the cheap
Turn an old laptop into a digital frame that automatically displays new shots from your Flickr accountâ€”then give it to your mother
And the more generally useful Pilot Actuated Valve that makes it possible.
One high-school studentâ€™s successful quest to create atomic energy, just for kicks
You could spend thousands of dollars on a smart board. Or you could make your own for $40.
See if you can crack the code on these medieval swords
Put your cables, notebooks, and tools in order.
Broken window repairs not included