For the first time, engineers at Caltech have created a stable ring of plasma in open air—essentially capturing lightning in a bottle, but without the bottle.
Plasma Physics
Nov 15, 2017
12
4742
Brown University researchers have demonstrated for the first time a method of substantially changing the spatial coherence of light.
Optics & Photonics
Oct 18, 2017
2
614
Terahertz radiation—the band of the electromagnetic spectrum between microwaves and visible light—has promising applications in medical and industrial imaging and chemical detection, among other uses.
Optics & Photonics
Aug 8, 2017
0
564
Astronomers have precisely measured the strength of a fundamental force of Nature in a galaxy seen eight billion years in the past.
Astronomy
Nov 15, 2016
4
1399
MIT researchers and their colleagues are designing an imaging system that can read closed books.
Optics & Photonics
Sep 9, 2016
2
1027
If you've ever heard your engine rev through your radio while listening to an AM station in your car, or had your television make a buzzing sound when your cell phone is near it, then you've experienced electromagnetic interference. ...
Nanomaterials
Sep 8, 2016
1
566
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
0
1396
Terahertz spectroscopy, which uses the band of electromagnetic radiation between microwaves and infrared light, is a promising security technology because it can extract the spectroscopic "fingerprints" of a wide range of ...
Optics & Photonics
May 23, 2016
1
1195
A team of scientists has successfully measured particles of light being "squeezed", in an experiment that had been written off in physics textbooks as impossible to observe.
Quantum Physics
Aug 31, 2015
1
3065
Physicists have found a radical new way confine electromagnetic energy without it leaking away, akin to throwing a pebble into a pond with no splash.
General Physics
Aug 27, 2015
56
4255
