ZeroWing
BMW Speed Limit Display
By sway Posted on 10.24.2008 CommentsCombining images of signs taken by a camera on the rearview mirror with navigation-system data about your route, the latest European BMW 7 Series figures out your current speed limit and displays it on the instrument cluster and projects it on the windshield. The technology, developed with Siemens VDO, could arrive in the U.S. in the next year or two. bmw.com
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December 2009: Best of What's New
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.
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