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With how plugged in we are today, it won't be long until we can get online with top speed from absolutely anywhere. The challenge is this kind of mobility would need a lot of portable power to work at its best. Roboticists from the Unversity of Nebraska Lincoln have come up with a rather interesting solution.

One coil is placed on the quadrotor drone, the other on the device that needs to be charged. When the drone gets into proximity, the coils generate a magnetic field which the device can then harvest into its battery. The quadrotor can send 5.5 watts of juice with 35% efficiency, which is more than enough to power a lightbulb.

Portable consumer electronics is the obvious application - imagine summoning a flying drone from AT&T, Rogers or even Best Buy to charge your phone, tablet or laptop when there is no outlet nearby. There is infinite potential outside of consumer electronics - search and rescue, power outages and other emergencies. 

Picture a world where these are the only source of power, with drones flying around and recharging your house's power generator every x times a day. Big Brother concerns aside, this would make power a lot cleaner and more reliable. To make things more efficient, a flying drone could pull a lot of double and triple duties with the right equipment.

By: Denis Ivanov

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