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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, 13 November 2018

See How the Buoyancy Force Works in Water or Air

The buoyancy force gives you the boost that helps you float and do cool maneuvers in water. This experiment lets you see it in action.

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