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2. Landscape lighting - Wikipedia

   en.wikipedia.org/wiki/Landscape_lighting

   Conventionally generated and sourced electricity remains the most used source for landscape lighting in the early twenty-first century. With the combination of increasing demand for more efficient lighting, increasing availability of sustainable designs, global warming considerations, and aesthetic and safety concerns in garden and landscape design the methods and equipment of outdoor ...

3. Solar Garden Lights - Wikipedia

   en.wikipedia.org/wiki/Solar_Garden_Lights

   Solar lights may be found on the market in a variety of shapes, sizes, types, designs, and features to meet the needs and preferences of each consumer. Solar-powered landscape lighting does not require extra wiring or an electrical connection because it is fueled by the sun. This makes landscape lighting conceivable in remote areas of the ...

4. Light-emitting diode - Wikipedia

   en.wikipedia.org/wiki/Light-emitting_diode

   The design and production of a light source or light fixture using a monochrome emitter with phosphor conversion is simpler and cheaper than a complex RGB system, and the majority of high-intensity white LEDs presently on the market are manufactured using phosphor light conversion. [citation needed] 1 watt 9 volt three chips SMD phosphor based ...

5. Lighting - Wikipedia

   en.wikipedia.org/wiki/Lighting

   While lamps have traditionally been rated and marketed primarily in terms of their power consumption, expressed in watts, proliferation of lighting technology beyond the incandescent light bulb has eliminated the correspondence of wattage to the amount of light produced. For example, a 60 W incandescent light bulb produces about the same amount ...

6. The 60/40 portfolio is back — but did it ever really leave?

   www.aol.com/finance/60-40-portfolio-back-did...

   The 60/40 portfolio is back — back again. ... the S&P 500 rallied 24 percent and the NASDAQ 100 cinched a stunning 55 percent gain — the tech-heavy index’s best annual performance since 1999.

7. Luminous efficacy - Wikipedia

   en.wikipedia.org/wiki/Luminous_efficacy

   The former sense is sometimes called luminous efficacy of radiation, [4] and the latter luminous efficacy of a light source [5] or overall luminous efficacy. [ 6 ] [ 7 ] Not all wavelengths of light are equally visible, or equally effective at stimulating human vision, due to the spectral sensitivity of the human eye ; radiation in the infrared ...