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- DIY
How to Make an LED Flashlight
There’s an inherent dilemma in purchasing a flashlight: The really bright and long-lasting LED models are pretty expensive, and the heavy, cheap traditional ones always seem to be dead just when you need them the most. Good thing it’s possible to build your own superbright, reliable and inexpensive hybrid light.
8.18.2008 at 09:15am - Comment by frontjust tested
- Entertainment & Gaming
Gaming Addiction a Growing Concern
In a famous scene in the first Matrix movie, a character takes a bite out of a juicy steak. He knows it's not real, but enjoys it anyway. In some ways, a video game -- just moving pixels on the screen -- is a similar virtual reality experience. No, the aliens in Halo 3 are not real, but we pretend they are. That is how a game can pull you from a living-room couch into a foreign realm.
8.18.2008 at 08:03am - Comment by fronttest
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December 2009: Best of What's New
In our December issue, Popular Science names the 100 best innovations of the year: bombproof wallpaper, self-parking cars, the fastest helicopter, and 97 more. Plus inventor profiles and videos.
Check out the best of what's new here.
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