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A blue laser emits electromagnetic radiation with a wavelength between 400 and 500 nanometers, which the human eye sees in the visible spectrum as blue or violet. [1] Blue lasers can be produced by: direct, inorganic diode semiconductor lasers based on quantum wells of gallium (III) nitride at 380-417nm [2] [3] or indium gallium nitride at 450 ...
Shuji Nakamura (中村 修二, Nakamura Shūji, born May 22, 1954) is a Japanese-American electronic engineer and inventor of the blue LED, a major breakthrough in lighting technology. [5] Nakamura specializes in the field of semiconductor technology, and he is a professor of materials science at the College of Engineering of the University of ...
July 2, 2024 at 12:02 AM. SACRAMENTO, Calif. (AP) — California lawmakers are considering legislation that would require artificial intelligence companies to test their systems and add safety ...
The Berkeley Lab Laser Accelerator ( BELLA) is a laser built by the Thales Group and owned and operated by the Lawrence Berkeley National Laboratory. [1] [2] On 20 July 2012, BELLA fired a 40 femtosecond laser pulse, establishing a world record for most powerful laser. [2] [3]
A new law requiring many California bars and nightclubs to offer common date-rape drug test kits will take effect Tuesday, according to the California Department of Alcoholic Beverage Control. The ...
June 27, 2024 at 5:30 PM. SACRAMENTO, Calif. (AP) — A California law that bans drilling new oil wells near places like homes and schools will take effect soon after the oil industry said it ...
A laser weapon [2] is a type of directed-energy weapon that uses lasers to inflict damage. Whether they will be deployed as practical, high-performance military weapons remains to be seen. [3] [4] One of the major issues with laser weapons is atmospheric thermal blooming, which is still largely unsolved.
A spokesperson for the Arkansas-based lender said they have engaged appropriate law enforcement agencies to aid in their investigation and response efforts. The U.S. Federal Reserve had said ...
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