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CERN Antimatter Experiment Produces First Beam of Antihydrogen
An anonymous reader writes "Matter and antimatter annihilate immediately when they meet, so aside from creating antihydrogen, one of the key challenges for physicists is to keep antiatoms away from ordinary matter. To do so, experiments take advantage of antihydrogen's magnetic properties (which are similar to hydrogen's) and use very strong non-uniform magnetic fields to trap antiatoms long enough to study them. However, the strong magnetic field gradients degrade the spectroscopic properties of the (anti)atoms. To allow for clean high-resolution spectroscopy, the ASACUSA collaboration developed an innovative set-up to transfer antihydrogen atoms to a region where they can be studied in flight, far from the strong magnetic field (scientific paper)."
I hope not. A future controlled by CERN is terrifying.
Anti-hydrogen weapon?
That is only one ionization away from something potentially very dangerous.
much of left-wing thought is a kind of playing with fire by people who don't even know that fire is hot - George Orwell
This is eerily similar to the famous Death Star scene in Episode IV. You can even imagine the control panel and sounds are not too different.
"No matter where you go, there you are." -- Buckaroo Banzai
The party potential of anti-H2O is just too great.
I want anti-helium so I can inhale and talk LOWER.
something less useful? what could be more less useful than firing all of our guns at once & exploding into space?
This may be a case where the experts are too close to the problem to see the simple solution.
Put the antihydrogen in a container made of antimatter, then annihilation will not be an issue.
Perhaps some sort of rigid anti-dirigible
And what, pray tell, is wrong with hydrogen? Without it you can't have water and life itself would be impossible.
I for one, am VERY pro-hydrogen!
Stuff that anti-matters.
like we don't have enough of that already too? are we daft or just ordinary hostages..
perfect balance requires a lot of free space
The first step towards the inevitable anti-Hydrogen Economy, yay!
http://arxiv.org/abs/1106.0847
One of the most interesting physics papers I've read in recent years. Does away with dark matter by presuming that antimatter has the opposite gravitational sign as matter (which pops out very naturally once you apply CPT to general relativity).
As the electromagnetic force is almost 10^40 times stronger than gravity, it would be virtually impossible to test with anti-protons or positrons. But with electrically neutral anti-hydrogen, it becomes potentially testable.
Can I use it in my Anti-Zeppelin? How about my Anti-Hydrogen Vehicle?
You may like cowering behind your monitor, sitting in your own filth of chip crumbs, and typing with your sticky fingers; but you're the argument against anonymity on the internet.
Says the guy who uses a handle called "Jmac217".
everyone is happy (except for the smell) until it explodes...
"To allow for clean high-resolution spectroscopy, the ASACUSA collaboration developed an innovative set-up to transfer antihydrogen atoms to a region where they can be studied in flight, far from the strong magnetic field (scientific paper)."
Let me guess. It involves the use of Dilithium crystals.
Okay, so what exactly happens when matter and anti-matter "annihilate?" Do they get changed into energy? Do they just "disappear" from the universe? Where does the mass go? Explain it like I'm an an Art History major.
Problem?
Only that the person pleading for an end to anonymity on the internet himself chooses to do his online activities in a way that is anonymous. I thought that would have been obvious.
If 1) anti-matter is and can not be composed of matter
and 2) electrons are matter
and 3) magnetism is the interaction between electrons
then:
How can anti-matter be magnetic?
Erasing moderation
emt 377 emt 4
Can we combine antihydrogen with antioxygen and find out if antiwater is dry?
Any insufficiently advanced magic is indistinguishable from technology.
Typed up by the tough guy behind his own monitor. Oh the irony...
Yeah, he rails against Internet anonymity and uses a pseudonym to post. He should make his post under his real name otherwise he's being a hypocrite.
"Anti-matter - can't we just get along? Can't we all just get along?" - Rodney King
I know how to produce a beam of anti-anti-hydrogen.
I think this is a good sign to go ahead and start building the Enterprise. Too early?
You can be against anonymous and in favor of pseudoanonymous without being a hypocrite.
There is a huge difference between anonymous and pseudoanonymous.
Pseudoanonymous allows users to be blocked, get a reputation either good or bad, and actually
have a presence. It's been shown that people are even more true to their real self
when using a pseudonym. That's completely different than the anonymous people that
post stuff just to get a respond and would immediately be banned and/or ignored if they had
a real account.
Yeah, he rails against Internet anonymity and uses a pseudonym to post. He should make his post under his real name otherwise he's being a hypocrite.
Shouldn't you be chasing down a refurbed WWII battleship?
Jesus was all right but his disciples were thick and ordinary. -John Lennon
I'm a proton, and it blew my electrons clean off, you insensitive clod! I had to move in with relatives to remain stable.
Table-ized A.I.
Implying SERN is not CERN as pronounced by those who made S;G.
Maybe they should produce anti-gold or anti-platinum.
Something that's not in the atmosphere.
For example you fired a copper bullet and an anti copper bullet and targeted them together so that they touched infront of the target.
Wouldn't that work?
Yeah but the person who replied was stating that the user was "cowering behind [their] monitor" basically stating that the user doesn't have to worry about real world repercussions for what he was doing online, heavily implying that users ought to be forced to identify themselves personally, something that Jmac217 isn't doing himself.
Reputation, karma, and etc. for pseudonymous accounts such as your own and the person replying do solve some of the problems of online communities but they would not have made a difference for anyone who gets easily offended like Jmac217. He would still be allowed to post or able to create new accounts with neutral karma.
The real problem here is that people get worked up about trolls rather than just ignoring them. Trolls work because people feed attention to them. People like Jmac217 are more of a problem than the trolls themselves are.
...some hick will get some, an put in his hydrogen-pickup.
From:
http://physics.aps.org/article...
Published March 25, 2013 | Physics 6, 36 (2013) | DOI: 10.1103/Physics.6.36
One symmetry that has so far avoided any signs of breaking is the so-called CPT symmetry, which equates matter and antimatter at a fundamental level.
With this data analysis technique, they determined the antiproton’s magnetic moment to be pN=2.792845(12), which has equal magnitude, within experimental uncertainty, to the NIST CODATA recommended value for the proton magnetic moment of pN=2.792847356(23). Thus the magnitude of the antiproton and proton magnetic moments differ by less than 5 parts per million, in agreement with the CPT theorem.
If CPT violation did occur it would forever alter our understanding of the universe—or lack thereof! History has taught us that experiments such as this one play an important role in shoring up, or changing, the foundations of physics. So for now, the debate will go on.
- Zav - Imagine a Beowulf cluster of insensitive clods...