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2. Joel Spira (businessman) - Wikipedia

   en.wikipedia.org/wiki/Joel_Spira_(businessman)

   Known for. invention of the first solid state-electronic dimmer and founder of Lutron Electronics Company. Joel Solon Spira (March 1, 1927 – April 8, 2015) was an American inventor, entrepreneur, and business magnate . He invented a version of the light- dimmer switch for use in homes around the United States and led his Lutron Electronics ...

3. Light switch - Wikipedia

   en.wikipedia.org/wiki/Light_switch

   Vintage push-button light switches. The push-button light switch has two buttons: one that closes the contacts and one that opens the contacts. Pushing the raised button opens or closes the contacts and pops out the previously depressed button so the process can be reversed. In the U.S., the buttons were commonly black; the "on" button ...

4. Dimmer - Wikipedia

   en.wikipedia.org/wiki/Dimmer

   Dimmer. A dimmer is a device connected to a light fixture and used to lower the brightness of the light. By changing the voltage waveform applied to the lamp, it is possible to lower the intensity of the light output. Although variable-voltage devices are used for various purposes, the term dimmer is generally reserved for those intended to ...

5. As conflicts far and wide shake the planet, can the Olympics ...

   www.aol.com/conflicts-far-wide-shake-planet...

   August 1, 2024 at 7:53 AM. PARIS (AP) — More than 100 conflicts fester around the world. The Middle East teeters on the brink of a regional war. In Ukraine, Russia advances slowly but steadily ...

6. What a geriatric doctor wishes you knew now for healthy aging

   www.aol.com/geriatric-doctor-wishes-knew-now...

   The 150 minutes of activity per week divided by 30 minutes over five days of moderate activity is what’s really recommended. In addition to that, one should think about not only aerobic activity ...

7. Compact fluorescent lamp - Wikipedia

   en.wikipedia.org/wiki/Compact_fluorescent_lamp

   The dimmer switch used in conjunction with a dimmable CFL must be matched to its power consumption range; [58] many dimmers installed for use with incandescent bulbs do not function acceptably below 40 W, whereas CFL applications commonly draw power in the range 7–20 W. Dimmable CFLs have been marketed before suitable dimmers are available.