The 100 greatest innovations of 2016


If you’ve thrown a paper plane, you can launch the Parrot Disco. Toss the 1.6-pound drone into the sky, and onboard sensors—gyroscope, accelerometer, magnetometer, barometer, and GPS—navigate the fixed-wing craft to 150 feet, where it circles awaiting further command. Users set a course via remote control, and algorithms on board keep the drone on track. A top speed of 50 mph means you won’t be losing any races. $1,300

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