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2. LED lamp - Wikipedia

   en.wikipedia.org/wiki/LED_lamp

   A 230-volt LED filament lamp, with an E27 base. The filaments are visible as the eight yellow vertical lines. An assortment of LED lamps commercially available in 2010: floodlight fixtures (left), reading light (center), household lamps (center right and bottom), and low-power accent light (right) applications An 80W Chips on board (COB) LED module from an industrial light luminaire, thermally ...

3. Luminous efficacy - Wikipedia

   en.wikipedia.org/wiki/Luminous_efficacy

   Luminous efficacy can be normalized by the maximum possible luminous efficacy to a dimensionless quantity called luminous efficiency.The distinction between efficacy and efficiency is not always carefully maintained in published sources, so it is not uncommon to see "efficiencies" expressed in lumens per watt, or "efficacies" expressed as a percentage.

4. Lumen (unit) - Wikipedia

   en.wikipedia.org/wiki/Lumen_(unit)

   The lumen (symbol: lm) is the unit of luminous flux, a measure of the perceived power of visible light emitted by a source, in the International System of Units (SI). ). Luminous flux differs from power (radiant flux) in that radiant flux includes all electromagnetic waves emitted, while luminous flux is weighted according to a model (a "luminosity function") of the human eye's sensitivity to ...

5. The 11 best sales this weekend: TVs, guest bedroom sheets ...

   www.aol.com/lifestyle/the-11-best-sales-this...

   $378 $700 Save $322 Over 25,000 reviewers have shopped this TV so far, and the hype continues. With a 4.3-star rating, more than 19,000 of those shoppers gave this budget-friendly TV 5-star marks.

6. Missing autistic Oregon boy found dead four days before his ...

   www.aol.com/missing-autistic-oregon-boy-found...

   A 5-year-old Oregon boy with autism was found dead Tuesday afternoon after he vanished from his home over the weekend, authorities said. The body of Joshua McCoy — whose birthday is just four ...

7. Russia says Trump Ukraine aid cut would be 'death sentence ...

   www.aol.com/news/russia-says-trump-ukraine-aid...

   Russia's deputy U.N. ambassador said on Wednesday any decision by President-elect Donald Trump's incoming administration to cut support for Ukraine would be a "death sentence" for the Ukrainian ...