Computer Sciences news

The power of 'random': 'Seemingly loopy' technique could dramatically improve communications networks

Technology / Computer Sciences

7 hours ago | 4.8 / 5 (5) | 4 |

A radical new approach to the design of communications networks, called "network coding," promises to make Internet file sharing faster, streaming video more reliable, and cell-phone reception better -- among ...

Security chip that does encryption in PCs hacked

Technology / Computer Sciences

23 hours ago | 4.6 / 5 (16) | 13

(AP) -- Deep inside millions of computers is a digital Fort Knox, a special chip with the locks to highly guarded secrets, including classified government reports and confidential business plans. Now a former ...

Grid computing for the masses

Technology / Computer Sciences

Feb 04, 2010 | 5 / 5 (5) | 0 |

(PhysOrg.com) -- Having helped scientists study the building blocks of the universe, peer inside the human body in miniscule detail and monitor climate change, grid computing could soon be put to more mundane ...

Innovative technique can spot errors in key technological systems

Technology / Computer Sciences

Jan 27, 2010 | 4 / 5 (1) | 0

An innovative computational technique that draws on statistics, imaging and other disciplines has the capability to detect errors in sensitive technological systems ranging from satellites to weather instruments.

Computer science researcher hopes to stall malware threat by tracking human use behaviors

Technology / Computer Sciences

Jan 25, 2010 | not rated yet | 0

Danfeng Yao, an assistant professor in the computer science department at Virginia Tech's College of Engineering, will use a $530,000 National Science Foundation Faculty Early Career Development (CAREER) grant to develop ...

Researchers make board games electronic (w/ Video)

Technology / Computer Sciences

Jan 22, 2010 | 2.8 / 5 (5) | 2 |

(PhysOrg.com) -- A groundbreaking technology developed at Queen's University in Ontario, Canada may make traditional board games a thing of the past.

NEC's Facial Recognition Technology Achieves First Place in the Still-Face Dataset

Technology / Computer Sciences

Jan 22, 2010 | not rated yet | 0

Japan's NEC Corp. announced today that its face recognition technologies ranked number one in the Still-Face Dataset of the Multiple Biometric Grand Challenge (MBGC) carried out by the National Institute of Standards and ...

Explained: Gallager codes

Technology / Computer Sciences

Jan 21, 2010 | 4.6 / 5 (9) | 0 |

In the 1948 paper that created the field of information theory, MIT grad (and future professor) Claude Shannon threw down the gauntlet to future generations of researchers. In those predigital days, communications ...

Picture-driven computing (w/ Video)

Technology / Computer Sciences

Jan 20, 2010 | 4.6 / 5 (10) | 2 |

Until the 1980s, using a computer program meant memorizing a lot of commands and typing them in a line at a time, only to get lines of text back. The graphical user interface, or GUI, changed that. By representing ...

Research team 'virtualizes' supercomputer

Technology / Computer Sciences

Jan 20, 2010 | 3.9 / 5 (7) | 0

A collaboration between researchers at Northwestern University, Sandia National Labs and the University of New Mexico has resulted in the largest-scale study ever done on what many consider an important part of the future ...

Explained: The Shannon limit

Technology / Computer Sciences

Jan 19, 2010 | 4.4 / 5 (18) | 5 |

It's the early 1980s, and you’re an equipment manufacturer for the fledgling personal-computer market. For years, modems that send data over the telephone lines have been stuck at a maximum rate of 9.6 kilobits ...

Today's threat: Computer network terrorism

Technology / Computer Sciences

Jan 19, 2010 | 1.7 / 5 (3) | 1

According to Dr. Levyatan, in today's world, the battlefield is not only comprised of tanks and planes, but also computer experts' and hackers' keyboards. To date, most of the 'online fighting' has focused on attempts to ...

Faster, easier way to access audiovisual assets

Technology / Computer Sciences

Jan 13, 2010 | 4.5 / 5 (2) | 0 |

(PhysOrg.com) -- Millions of hours of old shows sit collecting dust in the basements of TV and radio broadcasters. Digging through these audiovisual treasure troves is becoming faster and easier thanks to ...

'Wet' computing systems to boost processing power

Technology / Computer Sciences

Jan 12, 2010 | 4.1 / 5 (10) | 5 |

(PhysOrg.com) -- A new kind of information processing technology inspired by chemical processes in living systems is being developed by researchers at the University of Southampton, UK.

Search engines that learn from searchers

Technology / Computer Sciences

Jan 08, 2010 | 4.8 / 5 (4) | 2 |

(PhysOrg.com) -- New research aims to create search-engine software that can learn from users by noticing which links they click and how they reformulate their queries when the first results don't pay off.

Researchers develop new method of quantitative art authentication

Technology / Computer Sciences

Jan 08, 2010 | 4 / 5 (3) | 0 |

(PhysOrg.com) -- Dartmouth researchers Daniel Graham, James M. Hughes, and Dan Rockmore are combining their expertise in brain science, computer science, and mathematics to analyze a series of drawings from ...

Argumentative agents for online deal-making

Technology / Computer Sciences

Jan 08, 2010 | 4 / 5 (1) | 0

(PhysOrg.com) -- Software agents that play devil's advocate and quarrel with each other may not sound like something you would want in your computer. But, say a team of European researchers, argumentative agents promise faster, ...

Supercomputer offers MATLAB capability

Technology / Computer Sciences

Jan 08, 2010 | 5 / 5 (4) | 0

(PhysOrg.com) -- The Cornell Center for Advanced computing has deployed A 512-core parallel cluster running the scientific language MATLAB as an experimental resource on the TeraGrid.