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2. 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.

3. 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 ...

4. Orders of magnitude (power) - Wikipedia

   en.wikipedia.org/wiki/Orders_of_magnitude_(power)

   tech: the power consumption of a typical Light-emitting diode (LED) light bulb 8 tech: human-powered equipment using a hand crank. [14] 10 1: deca-(daW) 1.4 × 10 1: tech: the power consumption of a typical household compact fluorescent light bulb: 2–4 × 10 1: biomed: approximate power consumption of the human brain [15] 3–4 × 10 1

5. 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), which encompasses all electromagnetic waves emitted, including non-visible ones such as thermal radiation

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Those tricky Lions! Detroit wanted 335-pound tackle Penei ...

   www.aol.com/sports/those-tricky-lions-detroit...

   The Detroit Lions have a seemingly endless bucket of trick plays to pick from. Earlier this season, they ran a hook-and-ladder play to Penei Sewell, their fantastic 335-pound left tackle.