As part of PopSci's "Future of the Environment" special, we commissioned a modern, eco-themed take on the classic videogame "Frogger." In our version, called "The Walker," players have to catch various forms of alternatively fueled vehicles to help them cross a busy highway and make it to school on time.
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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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