Alaskans and visitors may be able to see an artificial airglow in the sky created by the High-frequency Active Auroral Research Program during a four-day research campaign that starts Saturday.
Planetary Sciences
Nov 3, 2023
0
355
You may not realize it, but the Doppler effect is everywhere in our lives, from tracking the speed of cars with radar to locating satellites in the sky. It's all about how waves change their frequency when a source (like ...
Optics & Photonics
Oct 20, 2023
0
321
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
Astronomers using simulated data have produced a glimpse of the sky as it would appear in gravitational waves, cosmic ripples in space-time generated by orbiting objects. The image shows how space-based gravitational wave ...
Astronomy
Sep 20, 2023
0
282
Researchers have shown that dissipative Kerr solitons (DKSs) can be used to create chip-based optical frequency combs with enough output power for use in optical atomic clocks and other practical applications. The advance ...
Optics & Photonics
Aug 29, 2023
0
27
Many songbirds use the Earth's magnetic field as a guide during their migrations, but radio waves interfere with this ability. A new study published has found an upper bound for the frequency that disrupts the magnetic compass.
Ecology
Aug 28, 2023
1
86
A collaborative research team led by Interim Head of Physics Professor Shuang Zhang from The University of Hong Kong (HKU), along with National Center for Nanoscience and Technology, Imperial College London and University ...
Optics & Photonics
Aug 21, 2023
0
111
A research team at the Advanced Science Research Center at the CUNY Graduate Center (CUNY ASRC) has shown that it is possible to manipulate photons so that they can collide, interacting in new ways as they cross paths. The ...
Quantum Physics
Aug 14, 2023
0
87
The classic film "Alien" was once promoted with the tagline "In space, no one can hear you scream." Physicists Zhuoran Geng and Ilari Maasilta from the Nanoscience Center at the University of Jyväskylä, Finland, have demonstrated ...
General Physics
Aug 9, 2023
11
3948
The potential of an ultrafast form of transmission electron microscopy to measure sound waves in nanostructures has been demonstrated by three RIKEN physicists. This could help realize a high-resolution imaging method that ...
Nanophysics
Aug 1, 2023
0
688
