Researchers at the National Institute of Standards and Technology have created "quantum cats" made of photons (particles of light), boosting prospects for manipulating light in new ways to enhance precision measurements as ...
Optics & Photonics
Sep 1, 2010
6
1
(PhysOrg.com) -- Brookhaven researchers have developed a device that acts like a high-tech stopwatch for speedy packs of electrons just trillionths of a second long. This new diagnostic tool could aid in the development of ...
General Physics
Jul 30, 2010
0
0
Scientists at the National Research Council of Canada (NRC) and the University of Ottawa (uOttawa) enjoyed a bird's eye view of a chemical bond as it breaks.
General Physics
Jul 28, 2010
2
0
Over the past decade, scientists have succeeded in slowing pulses of light down to zero speed by letting separate frequency components of the pulse conspire in such a way that a receptive medium through which the pulse is ...
General Physics
Jul 14, 2010
0
0
(PhysOrg.com) -- A wide range of phenomena in nature and technology depend on changes that occur in a material after it is illuminated with visible light. A well-known example is photosynthesis, where successive excitations ...
General Physics
Jul 5, 2010
0
0
German physicists have discovered a time delay when using light pulses to emit electrons from atoms. Until now, it has been assumed that the electrons start moving out of the atom immediately after the impact of the photons. ...
General Physics
Jun 24, 2010
25
0
(PhysOrg.com) -- X-ray science is getting a boost from a marriage of technologies. Scientists already had instruments that can separate colors of light, but don't pulse fast. And they have fast-pulsing lasers that can't pick ...
General Physics
May 26, 2010
0
0
The Internet brings you data from around the world almost instantly. This information, coming from Geneva or Tokyo or Buenos Aires, arrives in the U.S. not from satellite but along cables that sit on the bottom of the ocean. ...
Telecom
Mar 24, 2010
0
1
Like playing a game of scissors-paper-rock, a team of scientists led by Thornton E. (Ernie) Glover of Lawrence Berkeley National Laboratory's Advanced Light Source (ALS), Linda Young of Argonne National Laboratory, and Ali ...
General Physics
Mar 24, 2010
1
0
(PhysOrg.com) -- One of the issues associated with quantum information schemes revolves around the ability to develop quantum memories that allow for the retrieval of information on demand. Overcoming this issue is especially ...
