In physics, weak microwave signals can be amplified with minimal added noise. For instance, artificial quantum systems based on superconducting circuits can amplify and detect single microwave patterns, although at millikelvin ...
An improvement to a Nobel Prize-winning technology called a frequency comb enables it to measure light pulse arrival times with greater sensitivity than was previously possible—potentially improving measurements of distance ...
Optics & Photonics
Oct 24, 2022
0
13
Using data from the eruption of the underwater volcano near Tonga in 2022, a research group at Nagoya University in Japan has used disturbances in the earth's upper atmosphere to track the airwaves that cause tsunamis. Their ...
Earth Sciences
Jul 14, 2022
0
20
University of Sydney scientists have achieved a technology breakthrough with potentially life-saving applications—all using an improved version of radar.
Optics & Photonics
Feb 3, 2022
0
19
Scientists using the Atacama Large Millimeter/submillimeter Array (ALMA) and the Karl G. Jansky Very Large Array (VLA) made a rare detection of a likely stellar flyby event in the Z Canis Majoris (Z CMa) star system. An intruder ...
Astronomy
Jan 13, 2022
0
352
The National Science Foundation's Green Bank Observatory (GBO) and National Radio Astronomy Observatory (NRAO), and Raytheon Intelligence & Space (RI&S) have released a new high-resolution image of the moon, the highest-ever ...
Astronomy
Sep 21, 2021
0
240
Astronomers have mapped about a million previously undiscovered galaxies beyond the Milky Way, in the most detailed survey of the southern sky ever carried out using radio waves.
Astronomy
Dec 1, 2020
0
28
Technological advances in recent years have increased the sensitivity of radio interferometers like the Karl G. Jansky Very Large Array (VLA) to the radio emission from astronomical sources in their continuum (not only in ...
Astronomy
Apr 13, 2020
0
14
Astrophysicists, telescopes, supercomputers, and software engineers have joined forces to search for signals from the early Universe.
Astronomy
Mar 24, 2020
0
94
Satellites are becoming increasingly important in our lives, as they help us meet a demand for more data, exchanged at higher speeds. This is why we are exploring new ways of improving satellite communication.
Space Exploration
Dec 6, 2019
1
20
