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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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Friday, 30 November 2018

What Would It Take to Shoot a Cannonball Into Orbit?

We did the math on a famous thought experiment by Isaac Newton involving a very tall mountain, a wicked fast cannonball, and good old gravity.

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