The Sako's air-filled beams are made of a sail-like cloth, which restrains an inner bladder, increasing air pressure and, thus, rigidity (the tough shell offers protects against sharp objects). The waterproof, three-man tent inflates in 45 seconds with a soft, four-ounce foot pump. $500
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?