Modulators are key components within optical fiber networks and serve to transfer information from an electrical current to a signal suitable for optical fibers. They function by turning a light beam on and off quickly and ...
Optics & Photonics
Apr 23, 2014
0
1
Forget about anti-ageing creams and hair treatments. If you want to stay young, get a fast spaceship. That is what Einstein's Theory of Relativity predicted a century ago, and it is commonly known as "twin paradox".
General Physics
Apr 16, 2014
973
2
Very tiny wires made of semiconducting materials – more than one thousand times thinner than a human hair – promise to be an essential component for the semiconductor industry. Thanks to these tiny nanostructures, scientists ...
Nanophysics
Apr 14, 2014
0
0
Anyone wanting to avoid being caught out by speed cameras can do so very simply - by obeying the speed limits.
General Physics
Mar 25, 2014
14
0
A $500 "nano-camera" that can operate at the speed of light has been developed by researchers in the MIT Media Lab.
Engineering
Nov 26, 2013
5
0
Nippon Telegraph and Telephone Corp. has realized a quantum buffer integrated on an optical waveguide. The buffer is based on the "slow light effect", where the propagation speed of a pulsed light in a special optical waveguide ...
Quantum Physics
Nov 13, 2013
1
0
Could the famed "Big Bang" theory need a revision? A group of theoretical physicists suppose the birth of the universe could have happened after a four-dimensional star collapsed into a black hole and ejected debris.
Astronomy
Sep 19, 2013
229
19
Researchers with the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory (Berkeley Lab) have discovered a unique new twist to the story of graphene, sheets of pure carbon just one atom thick, and in the ...
Nanomaterials
Aug 12, 2013
3
0
Physicists in Darmstadt have been able to stop something that has the greatest possible speed and that never really stops. We're talking about light. Already a decade ago, physicists stopped it very for a short moment. In ...
General Physics
Aug 6, 2013
7
1
(Phys.org) —Neutrinos are the most elusive particles having extremely weak interactions with all other particles. They have rather unusual properties and are even expected to be identical with their own antiparticles. So ...
General Physics
Jul 17, 2013
11
0
