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Main » 2012 » August » 31

It is very easy to hack a human brain and pluck things such as bank details from the head using technology that costs only a few hundred dollars, scientists claim.A team of researchers from the University of Oxford in Geneva and the University of California in Berkeley explained the process using an off-the-shelf Emotiv brain-computer interface that only cost a few hundred dollars. Volunteers for the security experiment were asked to wear an Emotiv BCI head piece and sat in front of a computer screen that showed images of maps, banks and card PINS. The researchers then tracked the P300 brain signal, which is given off when the brain registers meaningful stimuli. The team found they could consistently reduce the random data in each variable by 15 to 40 per cent, a marked advantage over random guessing. Subjects were essential ... Read more »

Category: H4ckers' Z0n3 | Views: 1310 | Added by: geenix | Date: 2012-08-31 | Comments (0)

Bitcoin is a digital peer-to-peer currency system that provides a decentralized method for performing transactions.
Bitcoins (BTC) are also the name of the unit of currency. The Bitcoin protocol is based off a paper by Satoshi Nakamoto called "Bitcoin: A Peer-to-Peer Electronic Cash System” that is designed to allow monetary transactions between users without a central authority like a bank or services like P ... Read more »
Category: Advanced Computing | Views: 914 | Added by: geenix | Date: 2012-08-31 | Comments (0)

The term "Artificial Intelligence” was coined in 1956 by John McCarthy at the Massachusetts Institute of Technology. It is a branch of computer science that aims to make computers behave like humans.Artificial Intelligence includes programming computers to make decisions in real life situations (e.g. some of these "expert systems” help physicians in the diagnosis of diseases based on symptoms), programming computers to understand human languages (natural language), programming computers to play games such as chess and checkers (games playing), programming computers to hear, see and react to other sensory stimuli(robotics) and designing systems that mimic human intelligence by attempting to reproduce the types of physical connections between neurones in the human brain (neural networks).
Natural-language processing would allow ordinary people who don’t have any knowledge of programming languages to ... Read more »
Category: Advanced Computing | Views: 909 | Added by: geenix | Date: 2012-08-31 | Comments (0)

DNA computing, also known as molecular computing, is a new approach to massively parallel computation based on groundbreaking work by Adleman. He used DNA to solve a seven-node Hamiltonian path problem, a special case of an NP-complete problem that attempts to visit every node in a graph exactly once. (This special case is trivial to solve with a conventional computer, or even by hand, but illustrates the potential of DNA computing.)
A DNA computer is basically a collection of specially selected DNA strands whose combinations will result in the solution to some problem. Technology is currently available both to select the initial strands and to filter the final solution. The promise of DNA computing is massive parallelism: with a given setup and enough DNA, one can potentially solve huge problems by parallel search. This can be much faster than a conventional computer, for which massive parallelism would require ... Read more »
Category: Advanced Computing | Views: 900 | Added by: geenix | Date: 2012-08-31 | Comments (0)

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