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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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Thursday, 15 February 2018

Don't Cliff Jump Like a Dummy—Use Physics

You can measure the height of a drop with just a rock, a phone, and the gravitational force.

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