The Best Inventions Of The Year

From the phone that has changed phones forever, to futuristic cars, to a building made of water, to a remote-controlled dragonfly—a dazzling display of ingenuity

By Maryanne Murray Buechner, Kristina Dell, Andrea Dorfman, Lev Grossman, Anita Hamilton, Rebecca Winters Keegan, Jeffrey Kluger, Michael D. Lemonick, Coco Masters, Lisa McLaughlin, Alice Park, Julie Rawe and Deirdre van Dyk

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Franco Vairani / MIT
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Aiming for the sweet spot between the comfort of a private vehicle and the efficiency of public transportation, the City Car from MIT's Media Lab is a stackable electric car that can be checked out like a luggage cart at the airport, then returned to any station around the city. Electric motors in each wheel eliminate the need for a mechanical drivetrain, and these 5-ft.-long (1.5 m) two-seaters zip along at 55 m.p.h. (about 90 km/h).
Available: 2011
cities.media.mit.edu

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