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Map of the historical and current Iditarod trails; the route taken during the 1925 serum run is shown in green.. The 1925 serum run to Nome, also known as the Great Race of Mercy and The Serum Run, was a transport of diphtheria antitoxin by dog sled relay across the US territory of Alaska by 20 mushers and about 150 sled dogs across 674 miles (1,085 km) in 5½ days, saving the small town of ...
One-color light is well suited for traffic lights and signals, exit signs, emergency vehicle lighting, ships' navigation lights, and LED-based Christmas lights Because of their long life, fast switching times, and visibility in broad daylight due to their high output and focus, LEDs have been used in automotive brake lights and turn signals.
Light-emitting diode therapy (LEDT) is an therapeutic approach using different wavelengths of LED lights to treat disease. (The diagram is a blue light therapy, 415 nm wavelength) Light-emitting diode therapy (LEDT) is a clinical approach that applies different wavelengths of light to cure diseases or conditions with skin-safe lights.
Travis Kelce is processing the Kansas City Chiefs’ loss in Super Bowl 2025.. While speaking to the media after the lopsided defeat in New Orleans on Sunday, Feb. 9, the tight end praised the ...
USAID delivers billions of dollars in aid to dozens of countries. Shuttering it means wasted food, 'free-for-all' ISIS camps, and less HIV prevention.
Epistar was the world's largest manufacturer of red and yellow LED in 2009, and held over 3000 patents. [2] In 2009 it had an annual turnover of NT $10 billion. [ 2 ] Epistar acquired Huga Optotech in December 2012, with Huga becoming a fully-owned LED chip unit of Epistar, and then delisting from the local stock market.
On Wednesday, Goldman Sachs reported a blockbuster round of earnings for the final quarter of 2024, while CEO David Solomon told analysts he’s optimistic about business under the incoming ...
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 ...