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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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Saturday, 14 July 2018

New record efficiency for quantum dot white LEDs

Researchers have demonstrated nanomaterial-based white-light-emitting diodes (LEDs) that exhibit a record luminous efficiency of 105 lumens per watt.

from Future Timeline | Latest Updates | Technology | Singularity | 2020 | 2050 | 2100 | 2150 | 2200 | 2.. https://ift.tt/2mkpkSN
via Digital Media

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