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Old 09-25-2011, 01:54 AM   #1
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Haven't seen this here: Neutrinos faster than light

http://www.msnbc.msn.com/id/44629271...1#.Tn7A2-z66Rc

Quote:
GENEVA — A pillar of physics — that nothing can go faster than the speed of light — appears to be smashed by an oddball subatomic particle that has apparently made a giant end run around Albert Einstein's theories.

Scientists at the world's largest physics lab said Thursday they have clocked neutrinos traveling faster than light. That's something that according to Einstein's 1905 special theory of relativity — the famous E (equals) mc2 equation — just doesn't happen.

"The feeling that most people have is this can't be right, this can't be real," said James Gillies, a spokesman for the European Organization for Nuclear Research. The organization, known as CERN, hosted part of the experiment, which is unrelated to the massive $10 billion Large Hadron Collider also located at the site.

Gillies told The Associated Press that the readings have so astounded researchers that they are asking others to independently verify the measurements before claiming an actual discovery.
albert einstein
AP
This undated file photo shows famed physicist Albert Einstein, whose special theory of relativity —the famous E (equals) mc2 equation —could be at risk.

"They are inviting the broader physics community to look at what they've done and really scrutinize it in great detail, and ideally for someone elsewhere in the world to repeat the measurements," he said Thursday.

Scientists at the competing Fermilab in Chicago have promised to start such work immediately.

"It's a shock," said Fermilab head theoretician Stephen Parke, who was not part of the research in Geneva. "It's going to cause us problems, no doubt about that — if it's true."

The Chicago team had similar faster-than-light results in 2007, but those came with a giant margin of error that undercut its scientific significance.

Other outside scientists expressed skepticism at CERN's claim that the neutrinos — one of the strangest well-known particles in physics — were observed smashing past the cosmic speed barrier of 186,282 miles per second (299,792 kilometers per second).

University of Maryland physics department Chairman Drew Baden called it "a flying carpet," something that was too fantastic to be believable.

CERN says a neutrino beam fired from a particle accelerator near Geneva to a lab 454 miles (730 kilometers) away in Italy traveled 60 nanoseconds faster than the speed of light. Scientists calculated the margin of error at just 10 nanoseconds, making the difference statistically significant. But given the enormous implications of the find, they still spent months checking and rechecking their results to make sure there were no flaws in the experiment.

"We have not found any instrumental effect that could explain the result of the measurement," said Antonio Ereditato, a physicist at the University of Bern, Switzerland, who was involved in the experiment known as OPERA.

The researchers are now looking to the United States and Japan to confirm the results.

A similar neutrino experiment at Fermilab near Chicago would be capable of running the tests, said Stavros Katsanevas, the deputy director of France's National Institute for Nuclear and Particle Physics Research. The institute collaborated with Italy's Gran Sasso National Laboratory for the experiment at CERN.

Katsanevas said help could also come from the T2K experiment in Japan, though that is currently on hold after the country's devastating March 11 earthquake and tsunami.

Scientists agree if the results are confirmed, that it would force a fundamental rethink of the laws of nature.

Einstein's special relativity theory that says energy equals mass times the speed of light squared underlies "pretty much everything in modern physics," said John Ellis, a theoretical physicist at CERN who was not involved in the experiment. "It has worked perfectly up until now."

He cautioned that the neutrino researchers would have to explain why similar results weren't detected before.

"This would be such a sensational discovery if it were true that one has to treat it extremely carefully," said Ellis.
I'm lost on this.
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Old 09-25-2011, 08:29 AM   #2
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Re: Haven't seen this here: Neutrinos faster than light

I'm speechless (so its a good thing I could type this out).
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Quotes for noobs (learn how to break up a quote)
Quote:
Originally Posted by minato uchiha View Post
Ok Stubborn donkey, how do you break it up please and if your not willingly to tell me, then please DONT offer me no advice in future
So you can post the second bit and i shouldnt be allowed to if i dont tell you? Why be so rude?

Anyways, here is a quotes for noobs guide


1. A basic quote

[*QUOTE][*/QUOTE]

(the * need to be removed for it to work, I put them in so you can see the text) is a basic quote that just wraps something in a quote without saying who quoted it who quoted so

[*QUOTE]this is a quote[*/QUOTE] without any * would look like
Quote:
this is a quote

Edit: there is a button for this, it looks like a speech bubble. If you select text and then press the button the selected text will automatically be wrapped with the quote tag


2. A quote that says who said it

[*QUOTE=who said it][*/QUOTE] this adds who said the post, manually putting that there can be useful when quoting something external. Example:

[*QUOTE=Mangastream]Remember all you sexy bastards out there, Naruto, Bleach, OP, FT, etc. all on break this week. Feel free to take your rage out on us[*/QUOTE] without any * would look like
Quote:
Originally Posted by Mangastream
Remember all you sexy bastards out there, Naruto, Bleach, OP, FT, etc. all on break this week. Feel free to take your rage out on us
3. A quote that says who said it and links to the post where it was said

[*QUOTE=who said it;X][*/QUOTE]

Where X is the post number.

For the post that i originally quoted it would look like this

[*QUOTE=minato uchiha;2118164]Ok Stubborn donkey, how do you break it up please and if your not willingly to tell me, then please DONT offer me no advice in future[*/QUOTE]

That is what you get when you press the quote button.

4. Breaking up a quote

Now that you know how quotes work it all boils down to preference, how you want it to look like and how you want to do it.

One way of doing it is copying the latter part of the original quote [*/QUOTE] and then pasting it after each section you break up, write your reply, choose the text you want then paste it after that portion, repeat till you finish the go back and copy then paste the first part of the text at the beginning of each portion of text. Of course you can immediately copy and paste both parts of a poste so that you dont forget one in the end.

The end result would be something like this

[*QUOTE=minato uchiha;2118164]Ok Stubborn donkey,[*/QUOTE]
My reply 1
[*QUOTE=minato uchiha;2118164] how do you break it up please[*/QUOTE]
my reply 2
[*QUOTE=minato uchiha;2118164]and if your not willingly to tell me, [*/QUOTE]
my reply 3
[*QUOTE=minato uchiha;2118164]then please DONT offer me no advice in future[*/QUOTE]
my reply 4



Which without any * would look like

Quote:
Originally Posted by minato uchiha View Post
Ok Stubborn donkey,
My reply 1
Quote:
Originally Posted by minato uchiha View Post
how do you break it up please
my reply 2
Quote:
Originally Posted by minato uchiha View Post
and if your not willingly to tell me,
my reply 3
Quote:
Originally Posted by minato uchiha View Post
then please DONT offer me no advice in future
my reply 4


Another way of doing it would be to cut and paste the second part of the quote tag after the first section of text you want to seperate then write your reply select the second part and hit he quote button (it looks like a text bubble),if you do that without anything else the end result would be

[*QUOTE=minato uchiha;2118164]Ok Stubborn donkey,[*/QUOTE]
My reply 1
[*QUOTE] how do you break it up please[*/QUOTE]
my reply 2
[*QUOTE]and if your not willingly to tell me, [*/QUOTE]
my reply 3
[*QUOTE]then please DONT offer me no advice in future[*/QUOTE]
my reply 4

Which would look like

Quote:
Originally Posted by minato uchiha View Post
Ok Stubborn donkey,
My reply 1
Quote:
how do you break it up please
my reply 2
Quote:
and if your not willingly to tell me,
my reply 3
Quote:
then please DONT offer me no advice in future
my reply 4

To make it like the previous example (which wpuld be preferred, though not necessary ) copy the part that says who posted with the link to the post and paste it accordingly to the proper part in each first half of each quote tag. In my I would copy =minato uchiha;2118164 and paste it where the # is
[*QUOTE#] to get [*QUOTE=minato uchiha;2118164] (of course with the * removed)


Of course you can use any other method you like to get to the end result, but now that you know what the end rwsult looks like I think there shouldnt be any problems
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Old 09-25-2011, 04:12 PM   #3
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Re: Haven't seen this here: Neutrinos faster than light

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Old 09-25-2011, 04:46 PM   #4
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Re: Haven't seen this here: Neutrinos faster than light

Hehe.

Anyway, so far as I've heard, neutrinos are kinda crazy anyway (even in terms of quantum mechanics) so there is a lot of speculation that this may be refuted. Hell, a neutrino can pass through the earth without hitting anything. I'm not certain, but I don't know that any other particle can do that. With all that uncertainty, there are legitimate questions if anyone will be able to repeat this result.

And hey, even if it does, it is such a small difference that reorganizing physics can't be that hard. Sure, Einstein may be wrong, but then, he did everything as thought experiments without machinery. And his work lasted over 100 years already. Still impressive.

Still, exciting times for physics if it pans out.
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