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March 20th, 2012
01:18 PM ET

Flying robots

Technically they're called "Autonomous Agile Aerial Robots." But it's also accurate to call them Really Awesome Self-Flying Robots.

The University of Pennsylvania's GRASP Lab created these UAVs to be light and maneuverable. They measure about 8 inches (20 cm) in diameter and weigh 60-70 grams.

Professor Vijay Kumar explained how they work at a recent TED talk. There is no GPS system guiding their movements. Instead, they are equipped with a Microsoft Kinect and a Hokuyo laser scanner. They can actually be sent into a building and create a map of it on the fly.

When they're not making music, of course.

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