Pentagon-backed 'time cloak' stops the clock (Update)
Pentagon-supported physicists on Wednesday said they had devised a "time cloak" that briefly makes an event undetectable.
Pentagon-supported physicists on Wednesday said they had devised a "time cloak" that briefly makes an event undetectable.
General Physics
Jan 4, 2012
43
0
(Phys.org) -- UCLA researchers have developed a new transparent solar cell that is an advance toward giving windows in homes and other buildings the ability to generate electricity while still allowing people to see outside. ...
Nanophysics
Jul 20, 2012
38
3
Researchers from CIC nanoGUNE (San Sebastian, Spain) and collaborators have reported in Science the development of a so-called hyperbolic metasurface on which light propagates with completely reshaped wafefronts. This scientific ...
Optics & Photonics
Feb 23, 2018
5
1391
(PhysOrg.com) -- At the Intel Developer Forum in San Francisco Wednesday, the company announced a new optical cable that will be able to transfer data, between electrical devices, starting at speeds of 10 gigabits per second.
(PhysOrg.com) -- One of the most difficult problems for designing mobile devices is finding a way to minimize the size of the device while simultaneously maximizing the size of the display. To get the best of both worlds, ...
In designing electronic devices, scientists look for ways to manipulate and control three basic properties of electrons: their charge; their spin states, which give rise to magnetism; and the shapes of the fuzzy clouds they ...
Quantum Physics
May 15, 2020
1
20287
Slow wi-fi is a source of irritation that nearly everyone experiences. Wireless devices in the home consume ever more data, and it's only growing, and congesting the wi-fi network. Researchers at Eindhoven University of Technology ...
Telecom
Mar 17, 2017
1
3974
A team of researchers at Shanghai Jiao Tong University, has found that the human hand can be used as a powerless infrared radiation (IR) source in multiple kinds of applications. In their paper published in Proceedings of ...
(PhysOrg.com) -- Light bulbs that last 100 years and fill rooms with brilliant ambiance may become a reality sooner rather than later, thanks to a National Renewable Energy Laboratory discovery.
Engineering
Apr 5, 2010
20
0
(Phys.org)—Currently, all light-emitting diodes (LEDs) emit light of only one color, which is predefined during fabrication. So far, tuning the color of light produced by a single LED has never been realized, despite numerous ...