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2. High-CRI LED lighting - Wikipedia

   en.wikipedia.org/wiki/High-CRI_LED_lighting

   An incandescent light bulb has a CRI of 100. [1] 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.

3. Color temperature - Wikipedia

   en.wikipedia.org/wiki/Color_temperature

   Since fixtures using discharge type lamps produce a light of a considerably higher color temperature than do tungsten lamps, using the two in conjunction could potentially produce a stark contrast, so sometimes fixtures with HID lamps, commonly producing light of 6000–7000 K, are fitted with 3200 K filters to emulate tungsten light. Fixtures ...

4. 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 ...

5. The 50 best Christmas gifts for everyone on your list this year

   www.aol.com/lifestyle/50-best-christmas-gifts-of...

   Watch them wheel around the neighborhood with glee in this Bluey-themed bumper car from Walmart, which features LED lights on the bottom and the entire Bluey family on its side. $69 at Walmart Amazon

6. High-intensity discharge lamp - Wikipedia

   en.wikipedia.org/wiki/High-intensity_discharge_lamp

   Brand new high-intensity discharge lamps make more visible light per unit of electric power consumed than fluorescent and incandescent lamps, since a greater proportion of their radiation is visible light in contrast to infrared. However, the lumen output of HID lighting can deteriorate by up to 70% over 10,000 burning hours.

7. 'The Masked Singer' Season 11 finale: Every star unmasked - AOL

   www.aol.com/news/see-first-six-costumes-masked...

   The “High School Musical” star was crowned the Season 11 champion during the May 22 finale. The actor was up against the Gumball, who was a fierce competitor all season.