The DX1 is a 9-by-11-inch slab that comes with 25 adhesive-backed keys. Place them in whatever pattern you want, slap on a label, and set each one to trigger an event: Check your stocks, insert text, blast opponents while leaping away from enemy fire. Each key contains an integrated circuit that communicates with the tablet by magnetic induction. Need a new layout? Move the keys and reprogram. $150
138 years of Popular Science at your fingertips.
Each issue has been completely reimagined for your iPad. See our amazing new vision for magazines that goes far beyond the printed page
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
Featuring every article from the magazine and website, plus links from around the Web. Also see our PopSci DIY feed
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?