In 2015, the Laser Interferometer Gravitational-Wave Observatory (LIGO), made history when it made the first direct detection of gravitational waves—ripples in space and time—produced by a pair of colliding black holes.
Astronomy
Oct 23, 2023
1
752
A soccer player can kick a static ball on its side, forcing the ball to rotate and travel in an arc trajectory, left or right curved, depending on the ball's rotation sense. This requires skill/experience. And if the ball ...
Optics & Photonics
Oct 18, 2023
0
8
University of Otago physicists have used a small glass bulb containing an atomic vapor to demonstrate a new form of antenna for radio waves. The bulb was "wired up" with laser beams and could therefore be placed far from ...
Optics & Photonics
Oct 18, 2023
4
397
In a surprising new study, researchers at the University of Minnesota Twin Cities have found that the electron beam radiation that they previously thought degraded crystals can actually repair cracks in these nanostructures.
Nanophysics
Oct 12, 2023
0
59
Optical beams carrying orbital angular momentum (OAM) attract widespread attention and play an important role in optical data storage, optical communications, quantum information processing, super-resolution imaging, and ...
Nanophysics
Oct 11, 2023
0
1
Slated to launch on Oct. 12 with the Psyche mission, DSOC will demonstrate technologies enabling the agency to transmit higher data rates from deep space.
Astronomy
Oct 10, 2023
0
1
The positron, the antiparticle of the electron, has the same mass and charge as that of an electron but with the sign flipped for the charge. It is an attractive particle for scientists because the use of positrons has led ...
General Physics
Oct 10, 2023
6
387
Using a novel method, beams of laser light can be deflected using air alone. An invisible grating made only of air is not only immune to damage from the laser light, but it also preserves the original quality of the beam, ...
Optics & Photonics
Oct 3, 2023
11
1021
Repurposing the lights commonly found in TV remotes for invisible channel switching could improve pioneering new experiments to encourage rainfall.
Environment
Sep 28, 2023
0
28
How many times have you shown up to a video meeting with people at work only to find you have terrible internet that day? Maybe the others on the call are cutting in and out, or maybe your own signal is being corrupted on ...
Quantum Physics
Sep 25, 2023
1
14
