The winners from the PopSci/InnoCentive challenge--check out these amazing classes any middle-school kid would love to take
All you need is three magnets, one AA battery, and aluminum foil
Think of them like mini H-bombs.
What candy can teach us about wrapping perfectly round objects
Q: Whatâ€™s the best DIY antenna for extending?
You don't need a full kitchen to make dinner.
Milk spray, coin-operated tanning lamps, supersized aluminum bowls, and other devices created to help our readers achieve a healthy summer glow
Sheet-pan salmon, two-minute meatloaf, and six other recipes.
We got you.
Convert a glider into a rocket-powered aircraft
Keep cans cold in the car with repurposed PC parts.
Using sheets so thin theyâ€™re measured in atoms, you can cover anything with a lasting coat of pure gold
Because sexy Harambe is in poor taste
Make sweet music
Don't settle for the blurry cardboard box version.
Ready, player one?
Poor cell reception at home? Install a cellular amplifier, and put an end to frustrated redials
Vulnerability could allow for homegrown NSA-like spies.
Thermite powder yields pure, white-hot iron when lit. Don't try this one at home.
Keep calling and texting.
Give someone this cheap prepaid cellphone to see where they are in real time