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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, 29 May 2019

The Secret to Soap Bubbles' Iridescent Rainbows

The interaction of light reflecting off the front and back of a soap bubble gives it its colorful appearance. A similar effect explains color-shifting cars.

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