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Quantum Leap – Researchers Achieve Milestone For Next Generation Computing
06-15-2007, 02:53 PM,
#1
Quantum Leap – Researchers Achieve Milestone For Next Generation Computing
Quantum leap – researchers achieve milestone for next generation computing
Gizmag

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June 15, 2007 The already breathtakingly rapid evolution of the computer is moving towards a completely new level with Researchers at Delft University of Technology successfully carrying out calculations with two quantum bits, the building blocks of a possible future quantum computer. A concept that has been investigated on a theoretical level since the early 70s, Quantum computers promise problem solving capabilities that far outstrip those of current transistor based machines. The Delft researchers are publishing an article about this important step towards a workable quantum computer in this week’s issue of Nature.

A quantum computer is based on the amazing properties of quantum systems. Rather than measure data in terms of “bits” like a conventional computer, quantum systems utilize a quantum bit (known as a qubit), a particle that exists in two states at the same time. Information from two qubits is entangled in a way that has no equivalent whatsoever in the normal world, giving rise to the complex problem of how to influence these interactions in order to realize a calculation.

It is highly likely that workable quantum computers will need to be produced using existing manufacturing techniques from the chip industry. Working on this basis, scientists at Delft University of Technology are currently studying two types of qubits: one type makes use of tiny superconducting rings, and the other makes use of ‘quantum dots’.

Now for the first time a ‘controlled-NOT’ calculation with two qubits has been realised with the use of superconducting rings. This is important because it allows any given quantum calculation to be realized. The result was achieved by the PhD student Jelle Plantenberg in a team led by Kees Harmans and Hans Mooij. The research took place within the FOM (Dutch Foundation for Fundamental Research on Matter) concentration group for Solid State Quantum Information Processing.
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&I've come to the conclusion, after having spent many years in politics, is that our presidential elections turn out to be more of a charade than anything else, and I think that is true today. It is a charade,& - Ron Paul, Sept 2008.
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We're in a lot of trouble, watch this - http://www.youtube.com/v/3L3QVn4JyYA
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You cannot tax someone's labor because that is slavery
- Ed Brown, June 18 2007
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The world's &freeest& country has the highest number in prison.
- arundhati roy
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The crisis of modern democracy is a profound one. Free elections, a free press and an independent judiciary mean little when the free market has reduced them to commodities available on sale to the highest bidder.
- arundhati roy
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The era of manufacturing consent has given way to the era of manufacturing news. Soon media newsrooms will drop the pretense, and start hiring theater directors instead of journalists.
- arundhati roy
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The structure of capitalism is flawed. The motor that powers it cannot but vastly increase the disparity between the poor and the rich globally and within countries as well. Parecon is a brave argument for replacing that flawed machine and offers a much needed -- more equitable, democratic, participatory -- alternative economic vision.
- arundhati roy
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[The choice between John Kerry and George Bush] is not a real choice. It's an apparent choice. Like choosing a brand of detergent. Whether you buy Ivory Snow or Tide, they're both owned by Proctor & Gamble.
- arundhati roy
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No government's condemnation of terrorism is credible if it cannot show itself to be open to change by nonviolent dissent
- arundhati roy
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Dr. Hermann Oberth who pioneered rocket design for the German Reich during World War II and later advanced rocket technology for the American manned space launches, cryptically stated: "We cannot take the credit for our record advancement in certain scientific fields alone; we have been helped."

When asked by whom, he replied: "The people of other worlds."
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