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High-CRI LED lighting is a light-emitting diode (LED) lighting source that offers a high color rendering index (CRI). CRI is a quantitative measure of a light's ability to reproduce the colors of objects faithfully in comparison with an ideal or natural light source.
60 W incandescent light bulb with energy efficiency class E Equivalent 42 W halogen incandescent light bulb with efficiency class C Compact fluorescent lamp LED lamp. Various governments have passed legislation to phase out manufacturing or importation of incandescent light bulbs for general lighting in favor of more energy-efficient alternatives.
A LED is a long-lived light source, but certain mechanisms can cause slow loss of efficiency of the device or sudden failure. The wavelength of the light emitted is a function of the band gap of the semiconductor material used; materials such as gallium arsenide , and others , with various trace doping elements , are used to produce different ...
READ MORE: All of the best early Cyber Monday deals to shop today Take, for example, this cordless Dyson V8 vacuum: It's just $250 at Walmart, but the same model would set you back over $320 at Amazon
Chester A. Arthur: Turtle Steak. Though today it’s illegal to eat turtles in many parts of the world, that wasn’t stopping Chester Arthur back in the 1880s.
The Tennessee Titans came up with a fourth-down stop in the end zone in Sunday's 23-13 loss to the Minnesota Vikings that appeared to halt a Vikings scoring drive.
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