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http://www.wired.com

With a deep hum, linear induction motors spun up a powerful magnetic field along 200 feet of track in the Nevada desert. A shiny sled whizzed forward in a blur. Fifteen hundred pounds of aluminum reached 120 mph in just 1.5 seconds

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http://www.gizmag.com, Ben Coxworth

Many aerial drones now feature a Follow Me mode – that's where they can be instructed to autonomously fly along above you and shoot video as you ski, cycle, run or otherwise move about. However, what happens if you're a scuba diver? Well, in the ne

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