News tagged with computer network

WalkSafe app shields smartphone pedestrians (w/ video)

(PhysOrg.com) -- Smartphone users who as pedestrians are not very smart about crossing and looking both ways now have a protective shield in the form of an Android app which they can download for free. A research ...

Technology / Software

created Nov 28, 2011 | popularity 2.3 / 5 (6) | comments 12 | with audio podcast report

Progress in quantum computing, qubit by qubit

(PhysOrg.com) -- Engineers and physicists at Harvard have managed to capture light in tiny diamond pillars embedded in silver, releasing a stream of single photons at a controllable rate.

Physics / Optics & Photonics

created Oct 10, 2011 | popularity 4.9 / 5 (14) | comments 7 | with audio podcast

Minority rules: Scientists discover tipping point for the spread of ideas

Scientists at Rensselaer Polytechnic Institute have found that when just 10 percent of the population holds an unshakable belief, their belief will always be adopted by the majority of the society. The scientists, ...

Other Sciences / Social Sciences

created Jul 25, 2011 | popularity 4.3 / 5 (35) | comments 49 | with audio podcast

Memristors: 'Computer synapse' analyzed at the nanoscale

(PhysOrg.com) -- Researchers at Hewlett Packard and the University of California, Santa Barbara, have analysed in unprecedented detail the physical and chemical properties of an electronic device that computer ...

Nanotechnology / Nanophysics

created May 16, 2011 | popularity 4.8 / 5 (12) | comments 3 | with audio podcast

How to control complex networks

At first glance, a diagram of the complex network of genes that regulate cellular metabolism might seem hopelessly complex, and efforts to control such a system futile.

Technology / Computer Sciences

created May 12, 2011 | popularity 5 / 5 (6) | comments 3 | with audio podcast

More-efficient computation: Finding local solutions to overwhelmingly complex problems

At a time when the Internet puts an untold amount of information at anyone’s fingertips, and automated scientific experiments churn out data faster than researchers can keep up with it, and communications ...

Technology / Computer Sciences

created Mar 31, 2011 | popularity 4.3 / 5 (4) | comments 1 | with audio podcast

Fruit fly nervous system provides new solution to fundamental computer network problem

(PhysOrg.com) -- The fruit fly has evolved a method for arranging the tiny, hair-like structures it uses to feel and hear the world that's so efficient a team of scientists in Israel and at Carnegie Mellon ...

Technology / Computer Sciences

created Jan 13, 2011 | popularity 4.7 / 5 (14) | comments 2 | with audio podcast

Fundamental algorithm gets first improvement in 10 years

The maximum-flow problem, or max flow, is one of the most basic problems in computer science: First solved during preparations for the Berlin airlift, it’s a component of many logistical problems and a staple ...

Technology / Computer Sciences

created Sep 27, 2010 | popularity 4.7 / 5 (16) | comments 6 | with audio podcast

Coordination failure: Researchers provide insight into impacts of too much communication

(PhysOrg.com) -- Individuals within a networked system coordinate their activities by communicating to each other information such as their position, speed, or intention. At first glance, it seems that more ...

Physics / General Physics

created Sep 23, 2010 | popularity 5 / 5 (5) | comments 2 | with audio podcast

Spain smashes global 'zombie' computer network: police

Spanish police said on Wednesday they had arrested three men suspected of building the world's biggest network of virus-infected computers which hijacked more than 13 million PCs.

Technology / Internet

created Mar 03, 2010 | popularity 4.4 / 5 (7) | comments 7

Yahoo seeks to shake up search, Web browsing

(AP) -- Joining the battle to redefine Internet search, Yahoo is taking aim with a new browser enhancement it calls "Axis."

Technology / Internet

created May 24, 2012 | popularity not rated yet | comments 1

Efficient and tunable interface for quantum networks

(Phys.org) -- Quantum computers may someday revolutionize the information world. But in order for quantum computers at distant locations to communicate with one another, they have to be linked together in ...

Physics / Quantum Physics

created May 23, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Spot a bot to stop a botnet

Computer scientists in India have developed a two-pronged algorithm that can detect the presence of a botnet on a computer network and block its malicious activities before it causes too much harm. The team ...

Technology / Internet

created May 01, 2012 | popularity 4.3 / 5 (10) | comments 2 | with audio podcast

Patent wars plague Internet Age

The Internet Age is becoming as known for patent litigation as it is for online innovation.

Technology / Business

created Apr 15, 2012 | popularity 5 / 5 (8) | comments 13

Anonymous says it hacked Chinese government sites

(AP) -- China was struggling Thursday to restore several government websites that international hacking group Anonymous says it attacked in an apparent protest against Chinese Internet restrictions.

Technology / Internet

created Apr 05, 2012 | popularity 3.7 / 5 (3) | comments 0