NASA is sending a new laser-toting robot to Mars. But unlike the lasers of science fiction, this one is used for studying mineralogy and chemistry from up to about 20 feet (7 meters) away. It might help scientists find signs ...
Space Exploration
Feb 8, 2020
3
704
(PhysOrg.com) -- It sounds like something out of a comic book or a science fiction movie – a living laser – but that is exactly what two investigators at the Wellman Center for Photomedicine at Massachusetts General ...
Optics & Photonics
Jun 12, 2011
3
0
Scientists and Engineers have used surface-emitting semiconductor lasers in data communications, for sensing, in FaceID and within augmented reality glasses. In a new report, Yong-Ho Ra and a research team in the departments ...
The green light streaking across the cloudy sky was something that Daichi Fujii had never seen before. The museum curator's motion-detecting cameras were set up near Japan's Mount Fuji to capture meteors, allowing him to ...
Astronomy
Apr 17, 2023
1
29
A team led by University of Utah physicists has discovered how to fix a major problem that occurs in lasers made from a new type of material called quantum dots. The never-before-seen phenomenon will be important for an emerging ...
Optics & Photonics
Feb 8, 2019
2
960
New research from the University of Surrey has shown that silicon could be one of the most powerful materials for photonic informational manipulation—opening up new possibilities for the production of lasers and displays.
Optics & Photonics
Apr 27, 2021
2
1165
Those handheld green lasers pointers may not be as harmless as you thought.
Other
Apr 5, 2013
1
0
(Phys.org)—British researchers at King's College in London have succeeded in creating quantum dots by feeding earthworms soil laced with certain metals and then collecting the material excreted. They describe their research ...
Not long after the development of the first laser in 1960 scientists discovered that shining a beam through certain crystals produced light of a different color; more specifically, it produced light of exactly twice the frequency ...
Nanophysics
Sep 22, 2011
4
0
The young patient writhes on the operating table, kicking its flippers. A team of medical attendants turns it over, revealing an underbelly cluttered with tumors, some as big as golf balls.
Ecology
Feb 7, 2016
0
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