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- vsujohn2, on 07/20/2009, -4/+22I enjoy Quantum walks on the beach.
- Sideshowslob, on 07/20/2009, -0/+17I'm a mechanical engineer, and all I can say is: whoosh.
- GreenLynx, on 07/20/2009, -2/+17I'd like to explore every possible position simultaneously with your mom if you know what I mean.
- IAMRaven, on 07/20/2009, -0/+11Me too. mechanical engineer. don't get it either. But ....anyone who *thinks* they understand quantum mechanics is either 1) delusional or 2) god. There are no other choices.
- powatom, on 07/20/2009, -0/+11The cat is a lie.
- popzero, on 07/20/2009, -2/+13Now we just need tiny, tiny leashes.
- twiztidsinz, on 07/20/2009, -1/+11I'm simultaneously ***** bricks of amazement and bored by it's commonality.
- ksalminen, on 07/20/2009, -2/+11I Quantum Walked away from my computer when I figured out I couldn't understand any of this.
- enkideridu, on 07/20/2009, -3/+11Maybe Ars posts this kind of article once in a while just to mess with us?
I couldn't understand a single paragraph in there.. - alphaterminus, on 07/20/2009, -0/+8So is the ***** cat dead or alive?
- drkroman9, on 07/20/2009, -0/+7Its both and neither at the same time until you observe it and the universe retroactively creates a history for it.
- GreenLynx, on 07/20/2009, -0/+7"Oh, he turned quantum walks into a naughty thing."
- Sideshowslob, on 07/20/2009, -0/+7Why is that quote in quotation marks?
- cfuse, on 07/20/2009, -0/+6No, no, they're both - but only until you observe them, at which point they are delusional (because God isn't real).
- blorc, on 07/20/2009, -2/+8Sam, Ziggy says you have to help the Germans find particles capable of conducting physical quantum walks!
- drkroman9, on 07/20/2009, -0/+6Just to sum it up a little bit: A quantum walk basically means that in extremely small systems like this, the particles exists in all of its possible states/locations at once until it reaches its conclusion and then decides on one state. This is 'collapses' the wave function.
Basically the universe stops time, tries out all the possible outcomes, finds the one most efficient and then resumes time giving back the path which yielded that result.
As for applications in computing, in a phone-book analogy if you had someone's phone number but wanted to find their name... you would normally go through all the pages alphabetically until you turned up a match. Doing a quantum walk will be like observing all the entries in the phone-book at once and then you could easily get back the result instantly.
I hope that helps a little. - GreenLynx, on 07/20/2009, -1/+7And even god's like, "eh I just bought that piece of ***** at IKEA because my wife thought it would look good in our bedroom. Took me forever to put it together though. Really you guys give me too much credit the instructions were pretty clear, but I have no idea how that ***** works."
- JYoungest1, on 07/20/2009, -1/+6The very concept of this makes my brain spin in my skull. I can only hope to see this in action some day.
- handheldchimp, on 07/20/2009, -0/+5Im 12 and what is this.
- popzero, on 07/20/2009, -0/+5I see what you did there. And there.
- ApokalypseNow, on 07/20/2009, -1/+6Science is a peer reviewed journal, considered one of the world's most prestigious scientific publications. Heaven forbid you get your news from one of the worlds most reliable sources.
- MatthewK, on 07/20/2009, -1/+5I want something that can do Quantum Moonwalks.
- cfuse, on 07/20/2009, -0/+4AT THE SAME TIME!
It's like Schrödinger's *****. - Rythan, on 07/20/2009, -0/+4And *poof* God disappears in a cloud of logic.
- powatom, on 07/20/2009, -0/+4Why bother? Wherever Fido is, he's everywhere else.
- Mnementh2230, on 07/20/2009, -1/+4FTA:
"physicists in Germany are now able to make cesium atoms arranged in an optical lattice perform a physical quantum walk"
No, it's not just theory anymore - it's been done. You think they'd even get published in a journal like Science without getting the background work checked? You're either a moron or a Luddite, and I can't quite figure out which, yet. - IFEice, on 07/20/2009, -1/+4^ Reply unrelated to comment.
- copypastry, on 07/20/2009, -0/+3Whatever. Wake me up when they perfect quantum sauntering.
- venom8599, on 07/20/2009, -3/+6Guess you have to walk before you can leap...
- IAMRaven, on 07/20/2009, -0/+3Billy Mays. The KING OF CAPS LOCKS!!!
- IAMRaven, on 07/20/2009, -0/+2Dad? Is that you? Where have you been all my life?
- poprocksandsoda, on 07/20/2009, -0/+2For more information you should read up on Feynman's path integral formulation of quantum mechanics. Very good background information. Or just do what I'm going to do ... go and play Team Fortress 2.
- EntangledPhysx, on 07/20/2009, -0/+2I got halfway through the article and had to stop. LOL
- MarkusDee, on 07/20/2009, -0/+2Dugg before reading the part about beating your wife, then buried.
- Izzmo, on 07/20/2009, -0/+2That's because your brain cannot process information. Go drink another beer on us.
- ApokalypseNow, on 07/21/2009, -1/+3"What peers? Who are the reviewers?"
"Please name names."
Other scientists, ie. people who know what the ***** they're talking about. http://www.sciencemag.org/about/editorial_board.dt ... Even the editorial staff has 26 Ph.D.s
"Who do they talk to who say Science is prestigious?" http://www.aaas.org/news/releases/2007/0705spain_a ... http://www.aaas.org/publications/annual_report/200 ... - drkroman9, on 07/20/2009, -0/+2Now a quantum walk, soon a quantum leap.
- A11YND, on 07/20/2009, -0/+2Actually, he has to save some little girl from failing her math test.
- airstrike, on 07/20/2009, -0/+1@drkroman9
Congrats on being the only relevant comment to this article so far. - EntangledPhysx, on 07/21/2009, -0/+1This blows my mind away. Very cool. Thanks!
- GregLoire, on 07/20/2009, -0/+1Or do both simultaneously!
- LoneWolf01, on 07/20/2009, -0/+1I thought it was written caesium...
- kingfoot, on 07/20/2009, -1/+2already old. already annoying.
- Nickbc87, on 07/20/2009, -2/+3There is a series of Sci-Fi books, Infoquake, and its sequel Multireal, both by David Louis Edelman, that cover "quantum possibilities". I just finished them, and I highly recommend it.
- Shadowarriorx, on 07/20/2009, -0/+1What if we are a mechanical engineer getting a major in physics as well and have to take quantum mechanics? Goes with Nuclear option in mechanical pretty well.
- bigern1990, on 07/20/2009, -2/+2I'd buy ten...*cries*...RIP
- Izzmo, on 07/20/2009, -1/+1You should become an Electrical Engineer, like me, then!
- Jeegus21, on 07/20/2009, -0/+0Oh come on, no one else thought of that scene in Next when you read this?
- Izzmo, on 07/20/2009, -2/+2How exactly do you come to the point that this is commonality? because it's actually the opposite.
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