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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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Wednesday, 30 October 2019

How Lasers Work, According to the World's Top Expert

Lasers help us pay for groceries and zap us back into health, but what's their secret? Nobel laureate Donna Strickland steps us through the science.

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