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Researchers are always searching for improved technologies, but the most efficient computer possible already exists. It can learn and adapt without needing to be programmed or updated. It has nearly limitless memory, is difficult to crash, and works at extremely fast speeds. It’s not a Mac or a PC; it’s the human brain. And scientists around the world want to mimic its abilities.
Both academic and industrial laboratories are working to develop computers that operate more like the human brain. Instead of operating like a conventional, digital system, these new devices could potentially function more like a network of neurons.
“Computers are very impressive in many ways, but they’re not equal to the mind,” said Mark Hersam,
How do you continue to work when your computer goes down? If you have a backup computer that’s synchronized to your primary computer, it becomes much easier to move forward. However, if you don’t and have to resort a new or borrowed computer while yours is being repaired, here are 10 computer backup tools to help you get back up and running quickly
Despite my best efforts, this past week I lost both my primary and secondary computer systems. After losing my primary desktop several years ago, I vowed I would never let myself be caught without an operating PC. As they say, “the road to h*ll is paved with good intentions,” and I once again was caught with my proverbial pants down without an operating computer when my desktop, which had been exhibiting some problem signs in the last month, died suddenly and would not turn on.
I then went to my laptop, which I had admittedly been lazy about keeping updated, and turned it on. Immediately the Windows update process started, and asked me install Service Pack 3 for Windows XP. Having done that successfully on
Quantum technology has the potential to revolutionize computation, cryptography, and simulation of quantum systems. However, quantum physics places a new demand on information processing hardware: quantum states are fragile, and so must be controlled without being measured. Researchers at the Niels Bohr Institute have now demonstrated a key property of Majorana zero modes that protects them from decoherence. The result lends positive support to the existence of Majorana modes, and goes further by showing that they are protected, as predicted theoretically. The results have been published in the scientific magazine, Nature.
Normal computers are limited in their ability to solve certain classes of problems. The limitation lies in the fact that the operation of a conventional computers is based on classical states, or bits, the fundamental unit of information that is either 0 or 1.
In a quantum computer, data is stored in quantum bits, or qubits. According to the laws of quantum mechanics, a qubit can be in a superposition of states — a 0 and 1 at the same time. By taking advantage of this and other properties of quantum physics, a quantum
The most common visual is the pale nerd in his mother’s basement who is getting into his university server to change his rivals grades to failing ones. Then there are the various Hollywood depictions which show “master criminals” manipulating traffic signals and financial markets. This is a fairly recent use of the word “hacker” and for years before it had a very different meaning.
In the early 90’s when Linux (a popular free computer operating system) was introduced, the word hacker did not even exist. Users of these operating systems referred to themselves as “hackers”, only due to their ability to manipulate and reuse programming code for their own purposes, outside of its originally intended purpose. If you think of them as chefs, everyone has that one basic recipe for lobster bisque, but each chef will put their own spin on the recipe to make it their own. They were / are very competent programmers that had a passion for writing their own programs.
The majority of these “hackers” used their skills for good. For example, helping a friend who needed new software to help keep track of
This reduces human error and therefore many of the bugs that can occur in programming, making it more user-friendly and reliable than previous techniques. This could be particularly advantageous in areas where safety of using robotics is a concern, for example, in driverless cars.
The team of researchers from the University of Sheffield applied an automated programming method previously used in manufacturing to experiments using up to 600 of their 900-strong robot swarm, one of the largest in the World, in research published in the March issue of Swarm Intelligence journal.
Swarm robotics studies how large groups of robots can interact with each other in simple ways to solve relatively complex tasks cooperatively.
Previous research has used ‘trial and error’ methods to automatically program groups of robots, which can result in unpredictable, and undesirable, behaviour. Moreover, the resulting source code is time-consuming to maintain, which makes it difficult to use in the real-world.
The supervisory control theory used for the first time with a swarm of robots in Sheffield reduces the need for human input and therefore, error. The researchers used a graphical tool to define the tasks
Every new computer always performs fast and well. However, due an expected reason your computer will drop off and slow down. Computer has gone through with hundred times of booting up, installing and uninstalling so many programs and because of this will cause malfunctioning, error messages, freezing, hanging or sometimes even crashing of the computer. But then in any case that you encounter any of these computer troubles, the need of Registry Easy is highly recommended.
new computer always runs like a top athlete at the starting gun – springing to action as soon as the gun goes off and leaves behind everyone without looking back. But just like an aging athlete who has seen better times and is now heavy with fat, the same computer that has gone through hundreds of times booting up, installing and uninstalling programs, processing millions and millions of bits of data, will slow down, heavy with unwanted and useless registry entries. To make your computer run like it’s never been through a lot, try Registry Easy, a workhorse when it comes to cleaning and fixing
Computer graphics today can produce amazingly photorealistic images. Many motives, however, require very long computation times.“Objects of granular media, such as a sandcastle, consist of millions or billions of grains. The computation time needed to produce photorealistic images amounts to hundreds to thousands of processor hours,” Professor Carsten Dachsbacher of the Institute for Visualization and Data Analysis of KIT explains. Materials, such as sand, salt or sugar, consist of randomly oriented grains that are visible at a closer look only. Image synthesis, the so-called rendering, is very difficult, as the paths of millions of light rays through the grains have to be simulated. “In addition, complex scattering properties of the individual grains and arrangement of the grains in a system can prevent classical acceleration techniques from being used. This makes it difficult to find efficient algorithms,” doctoral student Johannes Meng adds. “In case of transparent grains and long light paths, computation time increases disproportionately.”
For image synthesis, the researchers developed a new multi-scale process that adapts simulation to the structure of light transport in granular media on various scales. On the finest scale, when only few grains are
The world of computer forensics — like all things computer — is rapidly developing and changing. While commercial investigative software packages exist, like EnCase by Guidance Software and FTK by AccessData, there are other software platforms which offer a solution for obtaining computer forensic results. Unlike the two aforementioned packages, these open sources alternatives do not cost hundreds of dollars — they are free to download, distribute and use under various open source licenses.
Computer Forensics is the process of obtaining information from a computer system. This information may be obtained from a live system (one that is up and running) or a system which has been shut down. The process typically involves taking steps to obtain a copy, or an image of the target system (often times an image of the hard drive is obtained, but in the case of a “live” system, this can even be the other memory areas of the computer).
After making an exact “image” or copy of the target, in which the copy is verified by “checksum” processes, the computer specialist can begin to