An international team of physicists, led by researchers at the University of Arkansas, has observed spontaneous mechanical buckling in freestanding graphene using scanning tunneling microscopy, indicating it has potential ...
Nanomaterials
Sep 14, 2016
0
29
Today's high-speed wired communication networks use lasers to carry information through optical fibers, but wireless networks are currently based on radio frequencies or microwaves. In an advance that could one day make light-based ...
Optics & Photonics
Jul 19, 2016
0
61
As wireless networks become more crowded with devices and more taxed by the demand for anytime, anywhere access, these networks are susceptible to radio frequency interference and jamming. It's a problem that potentially ...
Telecom
Dec 21, 2015
0
77
One minute your wireless Internet is working fine. The next minute, it takes an infuriatingly slow five seconds to load a single Web page. You paid for the fastest Internet speed available but during these all-too-frequent ...
Telecom
Nov 9, 2015
0
631
Hackers' arsenal was beefed up with a drone armed with weapons to crack into wireless computer networks at close range, whether they be in skyscrapers or walled compounds.
Security
Aug 10, 2015
0
151
The robust defenses that yeast cells have evolved to protect themselves from environmental threats hold lessons that can be used to design computer networks and analyze how secure they are, say computer scientists at Carnegie ...
Computer Sciences
Apr 29, 2014
0
1
There are various ways to protect a wireless network. Some are generally considered to be more secure than others. Some, such as WEP (Wired Equivalent Privacy), were broken several years ago and are not recommended as a way ...
Telecom
Mar 20, 2014
7
0
(Phys.org) —Wireless networks span the globe. But like a frightened toddler, they don't go underwater.
Engineering
Oct 14, 2013
1
1
Now that the Internet's basic protocols are more than 30 years old, network scientists are increasingly turning their attention to ad hoc networks—communications networks set up, on the fly, by wireless devices—where ...
Computer Sciences
Aug 5, 2013
0
0
Smart homes that let residents control alarms, locks and more over the internet are opening doors for crooks with hacker skills, according to computer security specialists.
Hi Tech & Innovation
Jul 30, 2013
1
0
