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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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Tuesday, 21 August 2018

How to Prove That the Earth Orbits the Sun

With simple tools, there are three things you can observe to support the heliocentric model of the solar system.

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