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2. Light-emitting diode physics - Wikipedia

   en.wikipedia.org/wiki/Light-emitting_diode_physics

   A LED is a long-lived light source, but certain mechanisms can cause slow loss of efficiency of the device or sudden failure. The wavelength of the light emitted is a function of the band gap of the semiconductor material used; materials such as gallium arsenide , and others , with various trace doping elements , are used to produce different ...

3. Light-emitting diode - Wikipedia

   en.wikipedia.org/wiki/Light-emitting_diode

   1 watt 9 volt three chips SMD phosphor based white LED. Among the challenges being faced to improve the efficiency of LED-based white light sources is the development of more efficient phosphors. As of 2010, the most efficient yellow phosphor is still the YAG phosphor, with less than 10% Stokes shift loss.

4. High-CRI LED lighting - Wikipedia

   en.wikipedia.org/wiki/High-CRI_LED_lighting

   High-CRI LED lighting is a light-emitting diode (LED) lighting source that offers a high color rendering index (CRI). CRI is a quantitative measure of a light's ability to reproduce the colors of objects faithfully in comparison with an ideal or natural light source.

5. Open Base Station Architecture Initiative - Wikipedia

   en.wikipedia.org/wiki/Open_Base_Station...

   The Open Base Station Architecture Initiative (OBSAI) was a trade association created by Hyundai, LG Electronics, Nokia, Samsung and ZTE in September 2002 with the aim of creating an open market for cellular network base stations. The hope was that an open market would reduce the development effort and costs traditionally associated with ...

6. Fantasy Football: Players to consider dropping to make room ...

   www.aol.com/sports/fantasy-football-players...

   The following is an excerpt from the latest edition of Yahoo's fantasy football newsletter, Get to the Points! If you like what you see, you can subscribe for free here. Most fantasy advice will ...

7. Base transceiver station - Wikipedia

   en.wikipedia.org/wiki/Base_transceiver_station

   A base transceiver station (BTS) or a baseband unit [1] (BBU) is a piece of equipment that facilitates wireless communication between user equipment (UE) and a network. UEs are devices like mobile phones (handsets), WLL phones, computers with wireless Internet connectivity, or antennas mounted on buildings or telecommunication towers.

8. Average rate on a 30-year mortgage in the US slips to 6.81% - AOL

   www.aol.com/average-rate-30-mortgage-us...

   The average rate on a 30-year mortgage in the U.S. eased this week, though it remains near 7% after mostly rising in recent weeks. The rate slipped to 6.81% from 6.84% last week, mortgage buyer ...

9. Bob Costas retires as MLB play-by-play voice after 44-year ...

   www.aol.com/sports/bob-costas-retires-mlb-play...

   Costas, 72, called MLB games for 44 years, the vast majority of that with NBC. He started there in 1980 and over the years provides play-by-play for three World Series and 10 championship series.