Photoacoustic spectroscopy applied to background-free analyses was used to measure unprecedentedly small trace gas concentrations. Teemu Tomberg from the University of Helsinki developed detection methods that make it possible ...
Optics & Photonics
Oct 30, 2020
0
7
In science fiction, firing powerful lasers looks easy—the Death Star can just send destructive power hurtling through space as a tight beam. But in reality, once a powerful laser has been fired, care must be taken to ensure ...
Optics & Photonics
Aug 21, 2020
0
207
The heights of La Soufrière de Guadeloupe volcano can be hellish, sweltering at more than 48 degrees Celsius (120 degrees Fahrenheit) and swathed in billows of acidic gas. Researchers would like to monitor gas and steam ...
Earth Sciences
Aug 5, 2020
0
81
The CERN Control Centre is back in shift work mode, with walls of screens showing the status of the beams, and coffee flowing freely day and night. On Friday, 3 July, the Long Shutdown 2 accelerator coordination team handed ...
General Physics
Jul 9, 2020
0
3
A laser light shone through the dark could power robotic exploration of the most tantalizing locations in our solar system: the permanently-shadowed craters around the moon's poles, believed to be rich in water ice and other ...
Space Exploration
May 14, 2020
0
118
The China Spallation Neutron Source (CSNS) conducted on-schedule beam commissioning from Feb. 3 to Feb. 28, thus achieving its design goal of 100kW 18 months ahead of schedule. Since then it has conducted stable operations ...
General Physics
Mar 5, 2020
0
7
It was the second day of a three-day-long tech demonstration at the David Taylor Model Basin at the Naval Surface Warfare Center in Bethesda, Maryland, where attendees had gathered to stand around in the dark to look at something ...
Optics & Photonics
Oct 28, 2019
6
223
Aiming a laser beam at an aircraft isn't a harmless prank: The sudden flash of bright light can incapacitate the pilot, risking the lives of passengers and crew. But because attacks can happen with different colored lasers, ...
Materials Science
Mar 31, 2019
2
239
Scientists of the Department of Physics at the University of Hamburg, Germany, detected the magnetic states of atoms on a surface using only heat. The respective study is published in a recent volume of Science. A magnetic ...
General Physics
Mar 8, 2019
0
269
A team of University of Central Florida researchers has overcome a long-standing problem in laser science, and the findings could have applications in surgery, drilling and 3-D laser mapping.
Optics & Photonics
Feb 28, 2019
0
14
