Light Amplification by Stimulated Emission of Radiation
It is light amplification through stimulated emission of radiation.
As for products, humans generally perceive 555nm green light best, making green lasers extremely visible. Among products, 532nm green lasers are widely used because they are both affordable and highly visible.
LASER Usages
newatlas.com
Antibiotics were one of the most important inventions of the 20th century, but their effectiveness is plummeting as bacteria develop resistance to them. Now, researchers at Washington University in St. Louis have shown that ultrashort pulses of laser light can kill bacteria and viruses, without...
https://newatlas.com/medical/ultrashort-laser-pulses-superbugs

Xbox Series X restock tracker: How to grab a console on the next drop
While there are no announced console restocks at any retailers today, that doesn't mean no Xbox Series X restocks are around. December has been a big month for Xbox Series X restocks, and this week is no exception with events at GameStop as well as Best Buy.
https://www.cnet.com/news/xbox-series-x-restock-tracker-grab-console-next-drop

Physicists engineer an atom laser that can stay on forever
The central part of the experiment in which the coherent matter waves are created. Quantum mechanics dictates that particles like atoms should also be thought of as waves and that technically we can build 'atom lasers ' containing coherent waves of matter.
https://interestingengineering.com/physicists-atom-laser-stay-on-forever

Laser Beams Deflected Off of Nothing but Air for First Time Ever in Breakthrough Patent Pending Process - The Debrief
An international team of scientists report that they have successfully used acoustics to deflect laser beams in an engineering first.
https://thedebrief.org/laser-beams-deflected-off-of-nothing-but-air-for-first-time-ever-in-breakthrough-patent-pending-process/


Seonglae Cho