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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.
Solight Design's co-founder, Alice Chun, is an architecture professor interested in solar-powered light. As explained in Chun's 2016 TEDx talk, [4] in dealing with her son's asthma –about 10% of children in New York have asthma [5] –Chun realized that poor air quality caused by pollutants was a growing problem, motivating Chun to find ways to incorporate solar power into daily living.
The original device consists of an inflatable LED lantern rechargeable by solar light. [13] [14] There are various models of Luci on the market today. Depending on the specific model, they generally take 7-25 hours of direct sunlight to charge [15] [16] and are able to provide 6-50 hours of light depending on the light mode and model [17] [18]
Twilight occurs according to the solar elevation angle θ s, which is the position of the geometric center of the Sun relative to the horizon. There are three established and widely accepted subcategories of twilight: civil twilight (nearest the horizon), nautical twilight, and astronomical twilight (farthest from the horizon).
A roof lantern is a daylighting cupola that sits above a roof, as opposed to a skylight which is fitted into a roof's construction. Roof lanterns serve as both an architectural feature and a method of introducing natural light into a space, and are typically wooden or metal structures with a number of glazed glass panels.
LuminAID is an emergency lighting company and the name of its key product, a solar-rechargeable light that packs flat and inflates to diffuse light like a lantern. LuminAID technology was invented in 2010 by Anna Stork and Andrea Sreshta.
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