(PhysOrg.com) -- In South Africa, a carrier pigeon carrying a 4GB memory stick proved to be faster than the ADSL service from the country's biggest web firm, Telkom. Winston the pigeon took one hour and eight minutes to carry ...
Electrical engineers have broken key barriers that limit the distance information can travel in fiber optic cables and still be accurately deciphered by a receiver. Photonics researchers at the University of California, San ...
Optics & Photonics
Jun 25, 2015
2
4325
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 a whirlpool, a new light-based communication tool carries data in a swift, circular motion.
Optics & Photonics
Jul 28, 2016
9
2415
Researchers from Stanford have advanced a long-standing problem in quantum physics – how to send "entangled" particles over long distances.
Quantum Physics
Nov 25, 2015
12
4286
Chris Cesare in Nature reported on Friday that Terence Tao successfully attacked the Erdős discrepancy problem by building on an online collaboration. Tao is a professor in the math department at UCLA. He works primarily ...
(Phys.org) —Having the photoreceptors at the back of the retina is not a design constraint, it is a design feature. The idea that the vertebrate eye, like a traditional front-illuminated camera, might have been improved ...
(PhysOrg.com) -- Intel today announced an important advance in the quest to use light beams to replace the use of electrons to carry data in and around computers.
Electronics & Semiconductors
Jul 27, 2010
6
0
DESI, the Dark Energy Spectroscopic Instrument, will mobilize 5,000 swiveling robots – each one pointing a thin strand of fiber-optic cable – to gather the light from about 35 million galaxies.
Astronomy
Apr 15, 2019
1
146
Most of us control light all the time without even thinking about it, usually in mundane ways: we don a pair of sunglasses and put on sunscreen, and close—or open—our window blinds.
General Physics
Oct 22, 2021
0
262
