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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, 18 October 2019

Could an Astronaut Lost in Space Use Gravity to Get Around?

With some basic physics, there are several ways to figure it out in real time. Which is good, because you’re going to run out of air.

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