Instant hand warmers are great--just shake 'em up, and you've got spontaneous warmth to thaw your hands during the cold winter months. But they're awf...

Usually our 5-Minute Projects involve soldering and LED lights and other such electronic accoutrements, but this week we decided to skip the fancy stu...

Popular Science 5-Minute Projects rss Submit a 5-Minute Project for Popular Science! Each month we feature a cool and handy new project, and we're exc...

Use a standard peep hole and a bit of tape to shoot super-wide-angle fisheye shots with your digital point-and-shoot

The prescription for a sick CD? Toothpaste, MSG and wood polish, of course

As any informed PopSci reader will know, the iPhone is definitely a game-changing piece of hardware, but it's not without its problems. Chief among th...

How-to increase your cellphone's reception with a simple coffee and cookie can antenna.

How to protect your RFID-equipped credit cards and identification documents from snoopers.