Big-data analysis consists of searching for buried patterns that have some kind of predictive power. But choosing which "features" of the data to analyze usually requires some human intuition. In a database containing, say, ...
Computer Sciences
Oct 16, 2015
14
14756
In a computer operating system, the file system is the part that writes data to disk and tracks where the data is stored. If the computer crashes while it's writing data, the file system's records can become corrupt. Hours ...
Computer Sciences
Aug 24, 2015
1
118
With 2.5 million daily users, the Tor network is the world's most popular system for protecting Internet users' anonymity. For more than a decade, people living under repressive regimes have used Tor to conceal their Web-browsing ...
Security
Jul 29, 2015
1
998
Random-access memory, or RAM, is where computers like to store the data they're working on. A processor can retrieve data from RAM tens of thousands of times more rapidly than it can from the computer's disk drive.
Computer Sciences
Jul 10, 2015
9
952
Comparing the genomes of different species—or different members of the same species—is the basis of a great deal of modern biology. DNA sequences that are conserved across species are likely to be functionally important, ...
Computer Sciences
Jun 11, 2015
15
2906
It's hard to take a photo through a window without picking up reflections of the objects behind you. To solve that problem, professional photographers sometimes wrap their camera lenses in dark cloths affixed to windows by ...
Computer Sciences
May 11, 2015
1
1744
Most recent advances in artificial intelligence—such as mobile apps that convert speech to text—are the result of machine learning, in which computers are turned loose on huge data sets to look for patterns.
Computer Sciences
Apr 13, 2015
2
1847
A breakthrough by a team of researchers from UCLA, Columbia University and other institutions could lead to the more precise transfer of information in computer chips, as well as new types of optical materials for light emission ...
Optics & Photonics
Feb 2, 2015
1
2528
Physicists at the University of Sussex have tamed one of the most counterintuitive phenomena of modern science in their quest to develop a new generation of machines capable of revolutionizing the way we can solve many problems ...
Quantum Physics
Jan 19, 2015
21
3317
For household robots ever to be practical, they'll need to be able to recognize the objects they're supposed to manipulate. But while object recognition is one of the most widely studied topics in artificial intelligence, ...
Computer Sciences
Jan 12, 2015
0
108
