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Qualität des Beitrags: Beteiligte Poster: [DD]SunTzu2000 Forenurl: Klick Forenbeschreibung: Back to the Clan Homepage aus dem Unterforum: Common Talk Antworten: 2 Forum gestartet am: Sonntag 15.04.2007 Sprache: englisch Link zum Originaltopic: Quantum Computers - The Ultimate Rig Letzte Antwort: vor 15 Jahren, 8 Monaten, 18 Tagen, 22 Stunden, 39 Minuten
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Re: Quantum Computers - The Ultimate Rig
[DD]SunTzu2000 - 10.07.2007, 02:12Quantum Computers - The Ultimate Rig
I know a lot of you are computer guys, and I am too, so I thought you'd guys drool over this if you haven't heard about it already.
http://en.wikipedia.org/wiki/Quantum_computer
The article is a bit science so if you don't have a degree in advanced algebra and quantum psychics I'd just skip that part and go own to where it talks about The Power of the Quantum Computer.
"Integer factorization is believed to be computationally infeasible with an ordinary computer for large integers that are the product of only a few prime numbers (e.g., products of two 300-digit primes).[6] By comparison, a quantum computer could solve this problem more efficiently than a classical computer using Shor's algorithm to find its factors. This ability would allow a quantum computer to "break" many of the cryptographic systems in use today, in the sense that there would be a polynomial time (in the number of bits of the integer) algorithm for solving the problem. In particular, most of the popular public key ciphers are based on the difficulty of factoring integers, including forms of RSA and ElGamal. These are used to protect secure Web pages, encrypted email, and many other types of data."
Translation. Lets say a computer the size of the ones we use now, that is a quantum computer, would have unbelievable computing power. Hacking and Security abilities would go off charts, and pretty much everything else in your computer. Electronics have circuitry on a chip. Basically quantum computers are that, but they can be redesigned in new limits, in 3-demensions instead of going up, down, left, and right across a flat silicon wafer - they are atoms linked together, that's as small as it can go.
Moore's law says that eventually computers will reach its peak because you cant fit all the circuitry on a chip anymore, with quantum computers you ditch the circuit altogether and use atoms instead. so, basically, lets say you have a chip the size of a grain of sand, and only about like 1% of the surface of that chip is circuitry. If you have a part of a quantum computer that is also the size of a grain of sand, its made entirely of atoms (which make up the circuitry) so its 100x more circuitry then the chip, therefore far more processing power. Now, a Desktop computer is a lot bigger then a grain of sand, and the chips are made up of more silicon. if all the processing components in your computer was converted into quantum processors, your computers power would probably, and this is not generous, increase by somewhere beyond 1000x. With one of those babies, you could access and analyze data every system on the internet in the entire world in a matter of seconds. MMM.... A2 will never lag again.
For those who found the article too complicated to understand, and wants to learn more about this, let me know and I'll dig up an article or post that goes into detail in plain-english.
Also, in addition to this theme, I also read stuff about computers that use actually plant-cells... but I forgot the details, it was either expiremental for powering the computer or for processing power. Very interesting topic too, if anyone wants to hear about that I'll look into finding that for you guys to read too.
Re: Quantum Computers - The Ultimate Rig
[DD]SunTzu2000 - 10.07.2007, 04:33
I estimated from what I remember that a conventional computer converted into a quantum computer would be over 1000x more powerful. It's not as powerful as I remember, but still impressive. Here is a more exact amount:
"A 30-qubit quantum computer would equal the processing power of a conventional computer that could run at 10 teraflops (trillions of floating-point operations per second). Today's typical desktop computers run at speeds measured in gigaflops (billions of floating-point operations per second)."
I'm guessing 1 teraflop is 1000 gigaflops, so thats about a speed of 146 gigahertz, which is 0.14 terahertz (1 gigaflop=146 megahertz). 10 teraflops would equal a speed of 1.46 terahertz. [faints]
That's almost 600 more times more powerful then my 2.5 gigahertz processor.
Right now, it's still experimental. Research, particularly at IBM, has created some basic quantum computers. It may only take just 10-20 years before this concept is put into everyday use.
Oh, this is a more basic article that explains Quantum Computers in words that most of us can understand :)
http://computer.howstuffworks.com/quantum-computer.htm
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