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2. LED tube - Wikipedia

   en.wikipedia.org/wiki/LED_tube

   LED tubes. LED tube is a type of LED lamp used in fluorescent tube luminaires with G5 and G13 bases to replace traditional fluorescent tubes. [1] As compared to fluorescent tubes, the most important advantages of LED tubes are energy efficiency and long service life. LED tubes are sometimes also referred to as ‘LED fluorescent tubes’.

3. Tired light - Wikipedia

   en.wikipedia.org/wiki/Tired_light

   Tired light was an idea that came about due to the observation made by Edwin Hubble that distant galaxies have redshifts proportional to their distance.Redshift is a shift in the spectrum of the emitted electromagnetic radiation from an object toward lower energies and frequencies, associated with the phenomenon of the Doppler effect.

4. Fluorescent-lamp formats - Wikipedia

   en.wikipedia.org/wiki/Fluorescent-lamp_formats

   Many more tube ratings exist, often country-specific. The Nominal Length may not exactly match any measured dimension of the tube. For some tube sizes, the nominal length (in feet) is the required spacing between centers of the lighting fixtures to create a continuous run, so the tubes are a little shorter than the nominal length.

5. Light tube - Wikipedia

   en.wikipedia.org/wiki/Light_tube

   The transmitted light varies over the day; should this not be desired, light tubes can be combined with artificial light in a hybrid set-up. [ 27 ] [ 44 ] [ 45 ] [ 46 ] Some artificial light sources are marketed which have a spectrum similar to that of sunlight, at least in the human visible spectrum range, [ 47 ] [ 48 ] [ 49 ] as well as low ...

6. Compact fluorescent lamp - Wikipedia

   en.wikipedia.org/wiki/Compact_fluorescent_lamp

   The latter use a standard light switch, and the on-board electronics chooses the light output level based on the number of times the switch is turned on and off quickly. Dimmable CFLs are not a 100% replacement for incandescent fixtures that are dimmed for "mood scenes" such as wall sconces in a dining area.

7. Megan Fox Is Expecting Her First Child With Machine Gun Kelly

   www.aol.com/megan-fox-expecting-her-first...

   Megan Fox and fiancé Machine Gun Kelly have fully reconciled and are entering the next chapter of their relationship: parenthood. Fox is pregnant with her and Kelly’s first child together. The ...

8. You car's tire pressure light may come on this week. Here's ...

   www.aol.com/cars-tire-pressure-light-may...

   The air inside a tire condenses in colder weather, taking up less space and lowering tire pressure. The Consumer Reports website notes that tire pressure will drop 1 psi for every 10 degree drop ...

9. Blue Lights review: A tiresome look at policing in Northern ...

   www.aol.com/blue-lights-review-tiresome-look...

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