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2. These Solar String Lights Will Make Your Backyard Glow

   www.aol.com/solar-string-lights-backyard-glow...

   Solar string lights can be an energy-efficient, stylish way to light your front porch or back patio. The "set it and forget it" approach could be the outdoor lighting solution you've been looking for.

3. Health effects of sunlight exposure - Wikipedia

   en.wikipedia.org/wiki/Health_effects_of_sunlight...

   Contents. Health effects of sunlight exposure. Exposure of skin to ultraviolet radiation from sunlight presents both positive and negative health effects. On the positive side, UV exposure enables the synthesis of vitamin D3, which is essential for bone health [ 1 ] and potentially plays a role in inhibiting certain cancers. [ 2 ][ 3 ] While ...

4. Ultraviolet index - Wikipedia

   en.wikipedia.org/wiki/Ultraviolet_index

   The ultraviolet index, or UV index, is an international standard measurement of the strength of the sunburn -producing ultraviolet (UV) radiation at a particular place and time. It is primarily used in daily and hourly forecasts aimed at the general public. The UV index is designed as an open-ended linear scale, directly proportional to the ...

5. Sunlight - Wikipedia

   en.wikipedia.org/wiki/Sunlight

   If the extraterrestrial solar radiation is 1,367 watts per square meter (the value when the Earth–Sun distance is 1 astronomical unit), then the direct sunlight at Earth's surface when the Sun is at the zenith is about 1,050 W/m 2, but the total amount (direct and indirect from the atmosphere) hitting the ground is around 1,120 W/m 2. [6]

6. Solar lamp - Wikipedia

   en.wikipedia.org/wiki/Solar_lamp

   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. The lamp operates on electricity from batteries, charged through the use of a solar photovoltaic panel. Solar-powered household lighting can replace other light ...

7. Artificial sunlight - Wikipedia

   en.wikipedia.org/wiki/Artificial_sunlight

   Artificial sunlight. The HappyLite is a type of light therapy. Artificial sunlight is the use of a light source to simulate sunlight where the unique characteristics of sunlight are needed, but where sufficient natural sunlight is unavailable or infeasible. A device used to simulate sunlight is a solar simulator.