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2. Light fixture - Wikipedia

   en.wikipedia.org/wiki/Light_fixture

   Ceiling fans with built-in lights may eliminate the need for separate overhead light fixtures in a room, and light kits can also replace any ceiling-mounted light fixtures that were displaced by the installation of the ceiling fan. Emergency lighting or exit sign – connected to a battery backup or to an electric circuit that has emergency ...

3. 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.

4. Ceiling fan - Wikipedia

   en.wikipedia.org/wiki/Ceiling_fan

   Ceiling fans are usually installed in a space with other lighting fixtures, but if the fan is positioned too close to a light panel or fixture, a strobe or flicker effect may occur. A strobe or flicker effect is a phenomenon which occurs when light brightens and dims consistently as it penetrates and passes through a moving ceiling fan. [ 8 ]

5. Things Boomers Took for Granted That are Obsolete Now

   www.aol.com/things-boomers-took-granted-obsolete...

   Here Today, Gone Tomorrow. If your vision of the Big Apple still includes bright yellow taxi cabs, flashing lights, and a phone booth on every corner, it's time to recalibrate.

6. Fluorescent lamp - Wikipedia

   en.wikipedia.org/wiki/Fluorescent_lamp

   The spectrum of light emitted from a fluorescent lamp is the combination of light directly emitted by the mercury vapor, and light emitted by the phosphorescent coating. The spectral lines from the mercury emission and the phosphorescence effect give a combined spectral distribution of light that is different from those produced by incandescent ...

7. Which landmarks are affected by the wildfires in Los Angeles ...

   www.aol.com/landmarks-affected-wildfires-los...

   As wildfires continued to ravage communities across Southern California Wednesday, driven by powerful Santa Ana winds, Angelenos, Californians and L.A. fans across the globe are scrambling for ...