Predicting the composition of dark matter
A new analysis by a team of physicists offers an innovative means to predict "cosmological signatures" for models of dark matter.
General Physics
Jul 6, 2022
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Page 21 - News tagged with electromagnetism
Mobius strip ties liquid crystal in knots to produce tomorrow's materials and photonic devices
University of Warwick scientists have shown how to tie knots in liquid crystals using a miniature Möbius strip made from silica particles.
General Physics
Aug 20, 2013
1
0
Researchers enable detection of remarkable gravitational-wave signal
Researchers from the University of Portsmouth's Institute of Cosmology and Gravitation (ICG) have helped to detect a remarkable gravitational-wave signal, which could hold the key to solving a cosmic mystery.
Astronomy
Apr 8, 2024
0
101
Technique for 'phase locking' arrays of tiny lasers could lead to terahertz security scanners
Terahertz radiation—the band of electromagnetic radiation between microwaves and visible light—has promising applications in security and medical diagnostics, but such devices will require the development of compact, ...
Optics & Photonics
Jun 13, 2016
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1396
Miracle material graphene could deliver Internet one hundred times faster
(Phys.org) —The use of graphene in telecommunications could dramatically accelerate internet speeds by up to a hundred times, according to new research by scientists in our Department of Physics.
Nanophysics
Jul 12, 2013
2
0
'Dark plasmons' transmit energy
Microscopic channels of gold nanoparticles have the ability to transmit electromagnetic energy that starts as light and propagates via "dark plasmons," according to researchers at Rice University.
Nanophysics
Feb 9, 2012
1
0
Engineers make tiny, low-cost, terahertz imager chip
(Phys.org)—A secret agent is racing against time. He knows a bomb is nearby. He rounds a corner, spots a pile of suspicious boxes in the alleyway, and pulls out his cell phone. As he scans it over the packages, their contents ...
General Physics
Dec 10, 2012
13
0
Going gentle on mechanical quantum systems
When thinking about quantum mechanical systems, single photons and well-isolated ions and atoms may spring to mind, or electrons spreading through a crystal. More exotic in the context of quantum mechanics are genuinely mechanical ...
Quantum Physics
May 13, 2022
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403
Pivotal discovery in quantum and classical information processing
Working with theorists in the University of Chicago's Pritzker School of Molecular Engineering, researchers in the U.S. Department of Energy's (DOE) Argonne National Laboratory have achieved a scientific control that is a ...
Quantum Physics
Jan 13, 2021
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1131
New bolometer is faster, simpler, and covers more wavelengths
Bolometers, devices that monitor electromagnetic radiation through heating of an absorbing material, are used by astronomers and homeowners alike. But most such devices have limited bandwidth and must be operated at ultralow ...
Nanophysics
Jun 11, 2018
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225
