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2. Lumen method - Wikipedia

   en.wikipedia.org/wiki/Lumen_method

   In lighting design, the lumen method, (also called zonal cavity method), is a simplified method to calculate the light level in a room. The method is a series of calculations that uses horizontal illuminance criteria to establish a uniform luminaire layout in a space. In its simplest form, the lumen method is merely the total number of lumens ...

3. Lumen maintenance - Wikipedia

   en.wikipedia.org/wiki/Lumen_maintenance

   Lumen maintenance compares the amount of light produced from a light source or from a luminaire when it is brand new to the amount of light output at a specific time in the future. For instance, if a luminaire produced 1,000 lumens of light when it was brand new and now produces 700 lumens of light after 30,000 hours, then it would have lumen ...

4. Luminous intensity - Wikipedia

   en.wikipedia.org/wiki/Luminous_intensity

   If a lamp has a 1 lumen bulb and the optics of the lamp are set up to focus the light evenly into a 1 steradian beam, then the beam would have a luminous intensity of 1 candela. If the optics were changed to concentrate the beam into 1/2 steradian then the source would have a luminous intensity of 2 candela.

5. Luminous efficacy - Wikipedia

   en.wikipedia.org/wiki/Luminous_efficacy

   The former sense is sometimes called luminous efficacy of radiation, [4] and the latter luminous efficacy of a light source [5] or overall luminous efficacy. [ 6 ] [ 7 ] Not all wavelengths of light are equally visible, or equally effective at stimulating human vision, due to the spectral sensitivity of the human eye ; radiation in the infrared ...

6. 3 tips for fantasy football playoff success - AOL

   www.aol.com/sports/3-tips-fantasy-football...

   3. ⛔️ Adding a player to prevent an foe from acquiring them is good business. We encourage it. It’s perfectly fair and reasonable to scout the needs of an upcoming opponent, then get a step ...

7. Why now is still a good time to grow your money in a deposit ...

   www.aol.com/finance/why-now-still-good-time...

   Key takeaways. Top yields across all deposit account types are still outpacing inflation, which is currently at 2.7 percent. At least one money market yield exceeds 5 percent APY.