Telecom
Launching this summer, NASA's Laser Communications Relay Demonstration (LCRD) will showcase the dynamic powers of laser communications technologies. With NASA's ever-increasing human and robotic presence in space, missions ...
May 13, 2021
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Electronics & Semiconductors
In the future, photovoltaic cells could be 'worn' over clothes, placed on cars or even on beach umbrellas. These are just some of the possible developments from a study published in Nature Communications by researchers at ...
Mar 25, 2021
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Hi Tech & Innovation
Two types of self-driving bus are being tested out in Estonia this week as part of initiatives that could revolutionise public transport in Europe.
Jun 18, 2020
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Automotive
The northern lights are shining extra-bright in Tampere Finland this month as a major step forward in amplifying the power of lasers was achieved.
Jan 15, 2020
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Hi Tech & Innovation
Sony and Yamaha have collaborated to bring out an autonomous vehicle that goes big on carrying the fruits of Sony's imaging technologies. This vehicle was officially announced as a joint development with Yamaha Motor Co. ...
Engineering
Devising the best treatment for a patient with cancer requires doctors to know something about the traits of the cancer from which the patient is suffering. But one of the greatest difficulties in treating cancer is that ...
Apr 2, 2019
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74
Engineering
BYU electrical engineering students have stumbled upon a very unconventional method that could speed up lab-on-a-chip disease diagnosis.
Mar 6, 2019
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A laser is a device that emits light (electromagnetic radiation) through a process called stimulated emission. The term laser is an acronym for light amplification by stimulated emission of radiation. Laser light is usually spatially coherent, which means that the light either is emitted in a narrow, low-divergence beam, or can be converted into one with the help of optical components such as lenses. Typically, lasers are thought of as emitting light with a narrow wavelength spectrum ("monochromatic" light). This is not true of all lasers, however: some emit light with a broad spectrum, while others emit light at multiple distinct wavelengths simultaneously. The coherence of typical laser emission is distinctive. Most other light sources emit incoherent light, which has a phase that varies randomly with time and position.
This text uses material from Wikipedia, licensed under CC BY-SA
