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2. 3-way lamp - Wikipedia

   en.wikipedia.org/wiki/3-way_lamp

   One common 3-way incandescent bulb is the 50/100/150 W. It has a low-power 50 W filament and a medium-power 100 W filament. When they are both energized at the same time, 150 W of power is delivered, and a high level of light is produced. Usually screw-base 3-way bulbs fit into regular Type A sockets (E26D after ISO 60061-1:2014). Larger 3-way ...

3. Light harvesting materials - Wikipedia

   en.wikipedia.org/wiki/Light_harvesting_materials

   Natural light harvesting complexes have molecular machinery that make possible the conversion of sunlight into chemical energy with almost 100% quantum efficiency. [11] [12] The ability of living organisms to harvest solar energy and achieve quantum efficiency near unity [12] is due to the culmination of ~3.5 billion years of evolution. [13]

4. Centennial Light - Wikipedia

   en.wikipedia.org/wiki/Centennial_Light

   The pendant light at Fire Station #6 in which the bulb is installed. The Centennial Light was originally a 60-watt bulb, but has since dimmed significantly and is now as bright as a 4-watt bulb. [7] [8] [9] The hand-blown, carbon-filament common light bulb was invented by Adolphe Chaillet, a French engineer who filed a patent for this socket ...

5. Daylight harvesting - Wikipedia

   en.wikipedia.org/wiki/Daylight_harvesting

   Several studies have recorded the energy savings due to daylight harvesting. Energy savings for electric lighting in the range of 20-60% are common. [14] Savings are very dependent on the type of space the light harvesting control system is deployed in, and its usage. [4]

6. A-series light bulb - Wikipedia

   en.wikipedia.org/wiki/A-series_light_bulb

   The most commonly used A-series light bulb type is an A60 bulb [7] (or its inch-based equivalent, the A19 bulb [2] [4]), which is 60 mm (19 ⁄ 8 in or 2 + 3 ⁄ 8 in) wide at its widest point [3] and approximately 110 mm (4 + 3 ⁄ 8 in) in length. [8] Other sizes with a data sheet in IEC 60064 are A50, A55, A67, A68, A71, A75, and A80.

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   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.