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Do you Still Need A TV Aerial?

At the moment you need TV Aerials for Freeview and BT Vision but there is the Freesat alternative that is by a satellite dish. But I beli...

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Saturday, 24 November 2018

Drop the Batteries—Diamonds and Lasers Could Power Your Drone

Rather than have drones waste energy carrying their own power, LakeDiamond wants to charge them by firing lasers through diamonds at their solar cells.

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