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2. Troffer - Wikipedia

   en.wikipedia.org/wiki/Troffer

   A troffer is a rectangular light fixture that fits into a modular dropped ceiling grid (i.e. 2' by 2' or 2' by 4'). Troffer fixtures have typically been designed to accommodate standard fluorescent lamps (T12, T8, or T5), but are now often designed with integral LED sources. Troffers are typically recessed sitting above the ceiling grid, but ...

3. List of physical quantities - Wikipedia

   en.wikipedia.org/wiki/List_of_physical_quantities

   Perceived power of a light source lumen (lm = cd⋅sr) J: Mach number (or mach) M: Ratio of flow velocity to the local speed of sound unitless: 1: Magnetic flux: Φ: Measure of magnetism, taking account of the strength and the extent of a magnetic field: weber (Wb) L 2 M T −2 I −1: scalar Mass fraction: x: Mass of a substance as a fraction ...

4. Glossary of physics - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_physics

   A branch of physics that studies atoms as isolated systems of electrons and an atomic nucleus. Compare nuclear physics. atomic structure atomic weight (A) The sum total of protons (or electrons) and neutrons within an atom. audio frequency A periodic vibration whose frequency is in the band audible to the average human, the human hearing range.

5. List of light sources - Wikipedia

   en.wikipedia.org/wiki/List_of_light_sources

   This is a list of sources of light, the visible part of the electromagnetic spectrum.Light sources produce photons from another energy source, such as heat, chemical reactions, or conversion of mass or a different frequency of electromagnetic energy, and include light bulbs and stars like the Sun. Reflectors (such as the moon, cat's eyes, and mirrors) do not actually produce the light that ...

6. Dark chocolate may help lower type 2 diabetes risk

   www.aol.com/dark-chocolate-may-help-lower...

   For example, milk chocolate was associated with other less healthy food choices like added sugar and processed meat. Throughout the study follow-up, 18, 862 individuals developed type 2 diabetes.

7. At What Age Do Men Stop Being Intimately Active? - AOL

   www.aol.com/age-men-stop-being-intimately...

   Getting older has a few perks — wisdom, greater perspective on life and senior discounts among them — but most of us associate aging with the harsh reality of wrinkles, joint problems and a ...

8. List of physics mnemonics - Wikipedia

   en.wikipedia.org/wiki/List_of_physics_mnemonics

   ROYGBIV (in reverse VIBGYOR) is commonly used to remember the order of colors in the visible light spectrum, as seen in a rainbow. Richard of York gave battle in vain" (red, orange, yellow, green, blue, indigo, violet). Additionally, the fictitious name Roy G. Biv can be used as well. (red, orange, yellow, green, blue, indigo, violet).

9. After Cancer, Woman Was Told She Had a '0% Chance' of ...

   www.aol.com/cancer-woman-told-she-had-093000824.html

   Related: Surrogate Pregnant with Baby No. 11: 'I’m Probably the Unicorn’ Mia and Pierre took a month to do research and feel firm in their decision. But with an overwhelming amount to consider ...