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Comment Re:How do they confirm it's in a quantum state? (Score 1) 265

Thanks, I had to read it a couple times, but that clarifies things (well, that plus remembering a few other items from my QED readings.)

Just to re-state it for my own edification, the gist of it is basically: There are ways to take a measurement on the object that, just going by classical physics, should return result A if the object has 1 quanta of energy, and result B if it has 0 quanta. However, instead the measurement returns result C, which shouldn't even be an option unless you describe the entire thing in quantum mechanics terms and A and B are interfering with one another.

A somewhat inaccurate metaphor would be hitting a cue ball on a pool table into one of three pockets. You're *only* hitting it from either the right or the left, so it should only sink into the right or left pocket, but under the right conditions, we instead see that it ends up in the middle pocket as if the right and left options had both happened and canceled each other out into a third option.

Regarding MWI, you've gone a bit out of my depth, but my understanding is that consciousness (as purely a process embedded within physics) has nothing to do with it any more than a collapsing building does.

Comment Re:Screw Quantum computing, I want a TRANSPORTER! (Score 0, Troll) 265

ooh ooh! I just came up with an awesome idea to make money! Tell people you have a quantum teleporter that will make a copy of them on another planet, but in reality, it doesn't do anything, but they can't prove it because they can't get to the other planet.

The preferred term is "going to heaven."

Comment How do they confirm it's in a quantum state? (Score 5, Interesting) 265

I have a question that I assume has a reasonable answer, just one I've never actually gotten confirmation on.

Once they've placed this object in a quantum state, how do they verify that it's "occupying two states at once?" Do they just measure it and repeat the process several times, and note that it's occasionally at 1 quanta, occasionally at 0, and from that infer that it was in a quantum state up until they measured it?

Second question, while I'm here - am I right in saying that according to the many-worlds interpretation, the universe branches when this object enters a quantum state, and we end up in one of two universes, one where the object has 1 quanta of energy and one where it has 0?

Trying to grok all this "quantum mechanics" stuff :)


Ballmer Repeats Threats Against Linux 470

daria42 writes "Steve Ballmer has reissued Microsoft's patent threat against Linux, warning open-source vendors that they must respect his company's intellectual property. In a no-nonsense presentation to New York financial analysts last week, Microsoft's chief executive said the company's partnership with Novell, which it signed in November 2006, "demonstrated clearly the value of intellectual property, even in the open-source world.""

New Molecules for a Faster Internet 94

Roland Piquepaille writes "An international team of researchers has discovered a new generation of optical molecules which interact 50% more strongly with light than any molecules ever tested. These organic molecules, known as chromophores, have been theorized by physicists at Washington State University, synthesized by chemists in China and tested for their actual optical properties by chemists in Belgium. But if they're excellent candidates for being used in optical technologies such as optical switches and Internet connections, these new materials should not be used before several years — if ever. Read more for additional details and a picture of the physicist who broke a law he established in 1999."

European PS3 Launch Delayed to 2007 440

An anonymous reader writes "Sony has finally admitted that the November release date for the release of the PS3 is unfeasible. Specifically, it will not be available in any PAL territories until March 2007. Sony cites '(a) delay in the mass production schedule of the blue laser diode', forming a critical part of the much-maligned Blu-Ray drive. With the Xbox 360 having been released for almost 6 months in overseas markets, and the Wii looming large, can Sony afford a delay like this?" Update: 09/06 17:58 GMT by Z : Just to make sure you caught it, the announcement includes the word that the U.S. will only be getting 400,000 units at launch in November, with Japan at 100,000 units. Go Sony.

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