Early next year, dozens of huge, concave mirrors will begin to sprout on a desert farm northeast of Los Angeles. Each 37-foot-diameter Stirling dish will electronically track the sun and reflect its rays onto a heat collector, where the concentrated sunlight will superheat hydrogen to 1,300
Stay up to date on the latest news of the future of science and technology from your iPhone 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
Share links with friends, comment on stories and more
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.