A team of researchers at the MPQ has pioneered the integration of erbium atoms with special optical properties into a silicon crystal. The atoms can thus be connected by light at a wavelength that is commonly used in telecommunications. ...
Optics & Photonics
Nov 7, 2022
0
551
The personal information of millions of smartphone users is at risk due to in-app advertising that can leak potentially sensitive user information between ad networks and mobile app developers, according to a new study by ...
Security
Feb 23, 2016
2
981
(Phys.org)—A Palo Alto-based retail analytics company this week introduced a no-hardware solution for retailers seeking store traffic data on customers. The solution works simply by monitoring people's mobile devices. The ...
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)—Minding the need for more and more mobile spectrum in a post-4G environment, Ofcom, the UK telecoms regulator, announced on Friday that it is preparing to support the release of spectrum for future mobile services, ...
(Phys.org)—This much everyone knows: As technologies break new ground in speed and performance, mischief-makers also break new ground in finding ways to disrupt. Now an academic research group has warned a U.S. government ...
(Phys.org)—Many Android apps are capable of falling victim to Man in the Middle (MITM) attacks. How many? Far too many. Thousands of apps in the Google Play mobile market present vulnerabilities because of the way that ...
(PhysOrg.com) -- A German security expert has issued a warning that billions of mobile phone users who depend on GSM networks are vulnerable to having their personal mail hacked. He blames the problem on network operators ...
(PhysOrg.com) -- Australian scientists have invented software that enables mobile (cell) phones to work in remote areas where there is no conventional coverage and in locations where the infrastructure has been destroyed ...
(PhysOrg.com) -- Researchers have demonstrated how it is possible to use GSM (Global System for Mobile communications) data along with a few tools to track down a person’s mobile phone number and their location, and even ...
