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2. The 10 Best Outdoor Solar Lights to Make Your Yard Shimmer ...

   www.aol.com/10-best-outdoor-solar-lights...

   From a dark path leading to your front door to some much-needed illumination in your backyard, outdoor light is key. But dealing with odd batteries or pesky outdoor wires is not. That’s why the bes

3. Solar lamp - Wikipedia

   en.wikipedia.org/wiki/Solar_lamp

   A garden solar lamp A child in Zambia studying by the light of a lamp charged by solar power during the day. A solar lamp, also known as a solar light or solar lantern, is a lighting system composed of an LED lamp, solar panels, battery, charge controller and there may also be an inverter.

4. Ultimate Camping Gear Guide - AOL

   www.aol.com/lifestyle/ultimate-camping-gear...

   This rechargeable unit has four brightness levels, including the 750-lumen burst mode, and multiple light settings. The beam won’t gradually dim—like most lamps do—with the help of Constant ...

5. 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 ...

6. Solar traffic light - Wikipedia

   en.wikipedia.org/wiki/Solar_traffic_light

   Solar-energy-powered traffic light. Solar traffic lights are signalling devices powered by solar panels positioned at road intersections, pedestrian crossings and other locations to control the flows of traffic. They assign the right of way to road users by the use of lights in standard colors (red - amber/yellow - green), using a universal ...

7. Phase-out of incandescent light bulbs - Wikipedia

   en.wikipedia.org/wiki/Phase-out_of_incandescent...

   The new minimum standard efficiency level is 15 lumens per watt (lm/W). From November 2008, no non-compliant lighting (including some incandescent globes) were imported into Australia, and from November 2009, the retail sale of non-compliant lighting was banned. [111]