Article View: pl.comp.objects
Article #16656D-Wave anyone?
From: Aleksander Galicki
Date: Sun, 29 Apr 2007 10:04
Date: Sun, 29 Apr 2007 10:04
49 lines
2963 bytes
2963 bytes
World’s First Commercial Quantum Computer Demonstrated [http://www.dwavesys.com/ index.php?mact=News,cntnt01,detail,0&cntnt01articleid=4&cntnt01origid=15&cntnt01returnid=21] polazilem po ich stronach. Well, ja rozumiem marketing marketingiem, ale cos mi sie wydaje ze wode tam z mozgu robia: "In 1936, mathematician Alan Turing published a famous paper that addressed the problem of computability. His thesis was that all computers were equivalent, and could all be simulated by each other. By extension, a problem was either computable or not, regardless of what computer it was run on. This paper led to the concept of the Universal Turing Machine, an idealized model of a computer to which all computers are equivalent. We now know that Turing was only partially correct. Not all computers are equivalent. His work was based on an assumption — that computation and information were abstract entities, divorced from the rules of physics governing the behavior of the computer itself. One of the most important developments in modern science is the realization that information (and computation) can never exist in the abstract. Information is always tied to the physical stuff upon which it is written. What is possible to compute is completely determined by the rules of physics. Turing's work, and conventional computer science, are only valid if a computer obeys the rules of Newtonian physics — the set of rules that apply to large and hot things, like baseballs and humans. If elements of a computer behave according to different rules, such as the rules of QM, this assumption fails and many very interesting possibilities emerge." Ktos obalil najprostsza postac tezy Churcha-Turinga...? Co to w ogole za firma? Istnieje ponoc od '99... A. PS. poleci ktos DOBRE ksiazki z fizyki kwantowej i co to moze znaczyc dla informatyki? (Idealnie byloby gdyby ta ksiazka wyjasniala co tez kryje sie pod pojeciem probability w przypadku fizyki kwantowej. (To nie jest waruunek konieczny, w koncu statystycy tego tez nie wiedza...)) -- Wysลano z serwisu Usenet w portalu Gazeta.pl -> http://www.gazeta.pl/usenet/
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Path: mbox-mo1.pugleaf.net!news-archive.icm.edu.pl!news.gazeta.pl!not-for-mail From: "Aleksander Galicki" <tretete@NOSPAM.gazeta.pl> Newsgroups: pl.comp.objects Subject: D-Wave anyone? Date: Sun, 29 Apr 2007 10:04:21 +0000 (UTC) Organization: "Portal Gazeta.pl -> http://www.gazeta.pl" Lines: 49 Message-ID: <f11qj4$g8h$1@inews.gazeta.pl> NNTP-Posting-Host: 222-153-2-146.jetstream.xtra.co.nz X-Trace: inews.gazeta.pl 1177841061 16657 172.20.26.238 (29 Apr 2007 10:04:21 GMT) X-Complaints-To: usenet@agora.pl NNTP-Posting-Date: Sun, 29 Apr 2007 10:04:21 +0000 (UTC) X-User: tretete X-Forwarded-For: 172.20.6.61 X-Remote-IP: 222-153-2-146.jetstream.xtra.co.nz MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit