Look at this new radio image covered with dots, each of which is a distant galaxy! The brightest spots are galaxies that are powered by supermassive black holes and shine bright in radio light. But what makes this image special ...
Astronomy
Dec 17, 2019
0
648
Surprisingly, transmitting information-rich photons thousands of miles through fiber-optic cable is far easier than reliably sending them just a few nanometers through a computer circuit. However, it may soon be possible ...
General Physics
Aug 22, 2011
1
0
Star Trek fans will remember "tractor beams," lasers that allowed the Starship Enterprise to trap and move objects. Tel Aviv University is now turning this science fiction into science fact -- on a nano scale.
General Physics
Jul 6, 2010
0
0
(AP) -- Forget, for a moment, computer viruses and sophisticated cybercrimes. A hacksaw and a few other tools were probably all it took for someone to sever eight fiber-optic cables in Silicon Valley this week, knocking ...
Telecom
Apr 11, 2009
1
0
The sensor of some optical mice can be used to easily and cheaply detect counterfeit euros, according to a study published by Spanish researchers of the University of Lleida (UdL) in the scientific journal Sensors. Almost ...
Engineering
Nov 17, 2009
0
0
Hitachi Ltd., Mitsubishi Chemical Corp. and some other organizations plan to jointly develop a next-generation optical disc that can store 25 times more data than a Blu-ray Disc, with the aim of putting the technology into ...
Hardware
Aug 6, 2009
0
0
When a beam is reflected (or refracted) at optical interface or propagating through an inhomogeneous medium, photons with opposite spin angular momenta will separate with each other, resulting in a spin-dependent splitting ...
Condensed Matter
Jul 25, 2022
0
15
Real-time, 3-D microscopic tissue imaging could be a revolution for medical fields such as cancer diagnosis, minimally invasive surgery and ophthalmology. University of Illinois researchers have developed a technique to computationally ...
General Physics
Apr 23, 2012
0
0
Photons, fundamental particles of light, are carrying these words to your eyes via the light from your computer screen or phone. Photons play a key role in the next-generation quantum information technology, such as quantum ...
Nanophysics
Sep 2, 2021
0
146
A research paper that has potential implications for homeland defense, work place safety, and health care has been published in the Journal of Advanced Materials.
Materials Science
Jan 15, 2010
0
0
