A bottle opener? Please. Get some real key-chain gadgetry
By Michael Myser Posted 05.31.2005 at 1:00 am 0 Comments

by Michael Kraus Michael Kraus
View Photo Gallery

Over the years, your key chain has become a custodial clump of assorted accessories and unidentified house, locker and car keys. Time to free up some ringside real estate and make room for the latest key-chain gadgets. Careful, though-losing your keys has never been quite so expensive.

0 Comments


138 years of Popular Science at your fingertips.

Innovation Challenges

Make your ideas part of the revolution
Learn morePowered by Innocentive



Popular Science+ For iPad

Each issue has been completely reimagined for your iPad. See our amazing new vision for magazines that goes far beyond the printed page



Download Our App

Stay up to date on the latest news of the future of science and technology from your iPhone or Android phone with full articles, images and offline viewing



Follow Us On Twitter

Featuring every article from the magazine and website, plus links from around the Web. Also see our PopSci DIY feed


February 2012: The Future of Fun

Science is reinventing play, from extreme sports to gamification to ridiculous roller coasters to the playgrounds of tomorrow, and this issue is chock full of fun. Also, on a less fun note: Did global warming destroy my hometown?


circ-top-header.gif
circ-cover.gif