Are you ashamed to have a BlackBerry? It's not exactly a status symbol any more, at least not in the U.S., after it got left in the dust by the iPhone. Now, there's a new BlackBerry that wants to get back into the cool club: ...
Consumer & Gadgets
Jan 31, 2013
3
0
If you're making a movie about WikiLeaks, this is the kind of thing you probably see coming.
Internet
Jan 26, 2013
1
0
Ultrafast, efficient, and reliable single-photon detectors are among the most sought-after components in photonics and quantum communication, which have not yet reached maturity for practical application. Physicist Dr. Wolfram ...
Optics & Photonics
Jan 25, 2013
3
0
Ad hoc networks—communication networks set up on the fly by mobile sensors—pose problems that ordinary office networks don't. Ad hoc networks are usually decentralized, meaning that no one node knows what the network ...
Computer Sciences
Jan 9, 2013
6
0
(Phys.org)—In the run-up to the last election warnings about computer hacking were rampant. Experts demonstrated how the hardware in voting machines could be modified. Touch-screen machines visibly changed votes. One possibility ...
Computer Sciences
Dec 11, 2012
2
0
Using a combination of the new tools of metamaterials and transformation optics, engineers at Penn State University have developed designs for miniaturized optical devices that can be used in chip-based optical integrated ...
Optics & Photonics
Nov 26, 2012
0
1
In order to build a quantum internet – a network that is faster and more secure than the current internet – the key is the ability to transmit quantum information between remote quantum computers (i.e., nodes). The most ...
(Phys.org)—Light might one day be used to cool the materials through which it passes, instead of heating them, thanks to a breakthrough by engineers at Lehigh and Johns Hopkins Universities.
Optics & Photonics
Oct 17, 2012
0
0
The first Fresnel lens was installed in 1823 in the Cordouan lighthouse, where its beam was visible for 32 km. Since then, this lens design has been used in lighthouses, traffic lights, automobile headlights, magnifying glasses, ...
Optics & Photonics
Oct 5, 2012
2
0
Many quantum technologies—such as cryptography, quantum computing and quantum networks—hinge on the use of single photons. While she was at the Kastler Brossel Laboratory (affiliated with the Pierre and Marie Curie University, ...
Optics & Photonics
Oct 4, 2012
0
0
