Satellite radio's one great drawback is that it tethers you to your car or home. But with the palm-size MyFi, you can take your programming anywhere. The 7.3-ounce player receives live broadcasts and stores at least five hours of recorded programming on its 128 megabytes of internal memory. So if your signal drops when you go inside, you can continue listening. $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
Inside NASA's astronaut bootcamp and the grueling new training regimen for deep space. Plus, ten young geniuses shaking up science today, one writer's quest to analyze every man-made chemical in her body and more.
Check out the issue's full contents online here