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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, 11 July 2018

Cheap, Portable Sensors Are Democratizing Air-Quality Data

A new generation of air-quality sensors is making it easier for citizen groups and residents to monitor the air around them.

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