(Phys.org)—Before there were lasers, there were masers—devices that operate in the microwave regime and other wavelengths that are longer than those of visible light. But while the first masers were built back in the ...
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 ...
JILA researchers have used a state-of-the-art atomic clock to narrow the search for elusive dark matter, an example of how continual improvements in clocks have value beyond timekeeping.
General Physics
Nov 12, 2020
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314
Europe's Galileo satellite navigation system – already serving users globally – has now provided a historic service to the physics community worldwide, enabling the most accurate measurement ever made of how shifts in ...
General Physics
Dec 5, 2018
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2981
The maser (microwave amplification by stimulated emission of radiation), the older microwave frequency sibling of the laser, was invented in 1954. However unlike lasers, which have become widespread, masers are much less ...
General Physics
Mar 21, 2018
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1079
(Phys.org)—Using the Australia Telescope Compact Array (ATCA), a team of astronomers has detected methanol emission toward a nearby galaxy known as NGC 4945. The finding, reported Aug. 18 in a paper published on arXiv.org, ...
Scientists from the National Physical Laboratory (NPL) and Imperial College London demonstrate, for the first time, a solid-state 'MASER' capable of operating at room temperature, paving the way for its widespread adoption ...
General Physics
Aug 15, 2012
6
0
(PhysOrg.com) -- Astronomers have found the most distant signs of water in the Universe to date. Dr John McKean of the Netherlands Institute for Radio Astronomy (ASTRON) will be presenting the discovery at the European Week ...
Astronomy
Apr 22, 2009
1
0
Researchers in Imperial College London's Department of Materials have developed a new portable maser that can fit the size of a shoebox.
General Physics
Mar 1, 2024
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While using the Atacama Large Millimeter/submillimeter Array (ALMA) to study the masers around oddball star MWC 349A scientists discovered something unexpected: a previously unseen jet of material launching from the star's ...
Astronomy
Jan 9, 2023
0
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