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(CBC)   Scientists measure first antimatter "atom", remarking that it appears very much like a normal atom except for the tiny little goatee   (cbc.ca ) divider line
    More: Cool, atoms, hydrogen, Antiparticle, hydrogen atoms, antihydrogen, superconducting magnets, positrons, vacuum chambers  
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7414 clicks; posted to Main » on 08 Mar 2012 at 9:27 AM (4 years ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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ZAZ [TotalFark]
2012-03-08 06:47:06 AM  
I gather they still haven't figured out if it weighs more or less than non-anti hydrogen.
 
2012-03-08 08:27:50 AM  
Up and atom!...


...or should that be (Up and atom!)x-1

?
 
2012-03-08 09:02:26 AM  
Well done, subby.
 
2012-03-08 09:29:41 AM  
a man must also have the power
 
2012-03-08 09:32:12 AM  
ok, who's up for looking for a planet made of the stuff!
 
2012-03-08 09:32:45 AM  
So, this is really cool, right? Massive step forward and all that?

When do I get my replicator?
 
2012-03-08 09:34:10 AM  

gopher321: Up and atom!...


...or should that be (Up and atom!)x-1

?


Up and at them!
 
2012-03-08 09:34:28 AM  

Buck Henderson: So, this is really cool, right? Massive step forward and all that?

When do I get my replicator?


They sell them at Amazon: Link (new window)
 
2012-03-08 09:35:00 AM  
Will hitting that with an inverse tachyon beam be like dividing by zero?
 
2012-03-08 09:38:09 AM  
www.cartoonstock.com
 
2012-03-08 09:38:21 AM  
i672.photobucket.com

/hot like a warp plasma conduit

futurama.sk

/hot like a good cigar
 
2012-03-08 09:38:31 AM  
tvyoumyonlyfriend.files.wordpress.com
 
2012-03-08 09:38:52 AM  
images.wikia.com

Your antimatter hydrogen atoms can bite my non-shiny metal ass.
 
2012-03-08 09:39:19 AM  
Absolutely pointless.

Of course it could be worse. That money could be spent supporting welfare moms pumping out a never-ending series of career criminals.
 
2012-03-08 09:39:51 AM  
At that point, they get annihilated, since the wall is made of matter, and the energy of annihilation can be measured.

So what happens to the piece of the wall it ran into? is it missing an atom?
 
2012-03-08 09:43:37 AM  
So can I have my warp drive now?
 
2012-03-08 09:43:48 AM  
FTA: They hope that doing so will help them understand one of the great mysteries of the universe - why it is almost entirely made up of matter, even though matter and antimatter are thought to have been originally produced in equal amounts at the time of the Big Bang.

The Xeelee did it. I thought everybody knew that.
 
2012-03-08 09:48:55 AM  
2.bp.blogspot.com

t0.gstatic.com

matthewcolvin.files.wordpress.com
 
2012-03-08 09:49:24 AM  

meanmutton: Buck Henderson: So, this is really cool, right? Massive step forward and all that?

When do I get my replicator?

They sell them at Amazon: Link (new window)


I tried that model, what a waste of money. I ask for Earl Grey, I get Lapsang Souchong. Do I look like a Chinaman?
 
2012-03-08 09:49:53 AM  
Any scientists going to comment, or will it just be farking goatee pop culture pictures?
 
2012-03-08 09:49:54 AM  

Headso: At that point, they get annihilated, since the wall is made of matter, and the energy of annihilation can be measured.

So what happens to the piece of the wall it ran into? is it missing an atom?


Exactly. Each anti-particle (the anti-quarks of the proton and the anti-electron in this case) interacts one of their counterparts from the container and then poof! Annihilated into energy.
 
2012-03-08 09:49:55 AM  

ZAZ: I gather they still haven't figured out if it weighs more or less than non-anti hydrogen.


Isn't anti-matter affected by gravity the same way that regular matter is? Or is part of their work confirming this if nothing else?
 
2012-03-08 09:50:54 AM  
Whoops! I meant "the anti-quarks of the anti-proton"...
 
2012-03-08 09:51:48 AM  

svenge: Headso: At that point, they get annihilated, since the wall is made of matter, and the energy of annihilation can be measured.

So what happens to the piece of the wall it ran into? is it missing an atom?

Exactly. Each anti-particle (the anti-quarks of the proton and the anti-electron in this case) interacts one of their counterparts from the container and then poof! Annihilated into energy.


Now my question is, does this result in the standard science fiction splodey goodness we've come to expect from fictionalized matter-antimatter interactions?
 
2012-03-08 09:52:09 AM  

Buck Henderson: meanmutton: Buck Henderson: So, this is really cool, right? Massive step forward and all that?

When do I get my replicator?

They sell them at Amazon: Link (new window)

I tried that model, what a waste of money. I ask for Earl Grey, I get Lapsang Souchong. Do I look like a Chinaman?


Maybe you were squinting. The instructions are in a pretty small font.
 
2012-03-08 09:58:16 AM  
Antimatter people thought Rand's Objectivism seemed morally superior because it was fairer and empowered and protected the vulnerable people. They tried a few forms of it out in the 20th anti-century... 60 million civilians murdered in domestic genocides plus tens of millions more in acts of war against civilan targets. So not much in it really, compared to our world.
 
2012-03-08 10:00:16 AM  
Quick, reverse the polarity of the hull!
 
2012-03-08 10:00:41 AM  
well played subby
 
2012-03-08 10:03:21 AM  
Does anti-matter react the same way to a photon that matter does? If they're on the matter side of the equation, why doesn't the photon get annihilated as soon as it hits the anti-matter particle? Are there anti-photons?
 
2012-03-08 10:03:59 AM  
... so it doesn't matter?
 
2012-03-08 10:04:52 AM  

Crotchrocket Slim: svenge: Headso: At that point, they get annihilated, since the wall is made of matter, and the energy of annihilation can be measured.

So what happens to the piece of the wall it ran into? is it missing an atom?

Exactly. Each anti-particle (the anti-quarks of the proton and the anti-electron in this case) interacts one of their counterparts from the container and then poof! Annihilated into energy.

Now my question is, does this result in the standard science fiction splodey goodness we've come to expect from fictionalized matter-antimatter interactions?


It would if there's enough matter, but a single hydrogen annihilation would only release 0.00000000015017 joules of energy. For comparison, 1 gram of TNT is 4,184 joules.
 
2012-03-08 10:04:55 AM  

Crotchrocket Slim: svenge: Headso: At that point, they get annihilated, since the wall is made of matter, and the energy of annihilation can be measured.

So what happens to the piece of the wall it ran into? is it missing an atom?

Exactly. Each anti-particle (the anti-quarks of the proton and the anti-electron in this case) interacts one of their counterparts from the container and then poof! Annihilated into energy.

Now my question is, does this result in the standard science fiction splodey goodness we've come to expect from fictionalized matter-antimatter interactions?


Also does that make whatever is left a different element?
 
ZAZ [TotalFark]
2012-03-08 10:05:07 AM  
Crotchrocket Slim

Antimatter is expected to weigh the same as matter. Scientists want to confirm the equivalence because it would be huge news if antihydrogen fell up.
 
2012-03-08 10:05:50 AM  

Buck Henderson: meanmutton: Buck Henderson: So, this is really cool, right? Massive step forward and all that?

When do I get my replicator?

They sell them at Amazon: Link (new window)

I tried that model, what a waste of money. I ask for Earl Grey, I get Lapsang Souchong. Do I look like a Chinaman?


Don't be so hasty. Your replicator actually improves the original. Earl Grey is just tea dust mixed with Lysol anyway.
 
2012-03-08 10:07:28 AM  
the darkest matter
 
2012-03-08 10:08:06 AM  
Do they have anti anti-pasto in the antimatter universe?
 
2012-03-08 10:08:44 AM  

John Nash: Does anti-matter react the same way to a photon that matter does? If they're on the matter side of the equation, why doesn't the photon get annihilated as soon as it hits the anti-matter particle? Are there anti-photons?


Photons, as bosons, are their own anti-particle.
 
2012-03-08 10:08:56 AM  
what antimatter may look like:

i40.tinypic.com
 
2012-03-08 10:11:44 AM  

Buck Henderson: I tried that model, what a waste of money. I ask for Earl Grey, I get Lapsang Souchong. Do I look like a Chinaman?


The chinaman is not the issue here, Buck. I'm talking about Oolong or Darjeeling here, Buck. Other teas, you DO NOT... Also, Buck, chinaman is not the preferred nomenclature. Asian-American, please.
 
2012-03-08 10:14:20 AM  

ZAZ: I gather they still haven't figured out if it weighs more or less than non-anti hydrogen.


Actually, assuming by weigh you mean has the same mass, that would be done easily enough by measuring the energy released upon its annihilation, E = mc^2 and all.

Crotchrocket Slim: svenge: Headso: At that point, they get annihilated, since the wall is made of matter, and the energy of annihilation can be measured.

So what happens to the piece of the wall it ran into? is it missing an atom?

Exactly. Each anti-particle (the anti-quarks of the proton and the anti-electron in this case) interacts one of their counterparts from the container and then poof! Annihilated into energy.

Now my question is, does this result in the standard science fiction splodey goodness we've come to expect from fictionalized matter-antimatter interactions?


Depends...a couple of atoms? No, not really. All you'll end up with is a small burst of high energy photons. But combine two half kilogram bricks of matter and antimatter and you'll release energy on the order of 20 Megatons of TNT. In that case, yes, there would be lots of splodey goodness.
 
2012-03-08 10:14:44 AM  
have they been able to split a beer atom yet??!!??
 
2012-03-08 10:16:55 AM  

theorellior: Buck Henderson: I tried that model, what a waste of money. I ask for Earl Grey, I get Lapsang Souchong. Do I look like a Chinaman?

The chinaman is not the issue here, Buck. I'm talking about Oolong or Darjeeling here, Buck. Other teas, you DO NOT... Also, Buck, chinaman is not the preferred nomenclature. Asian-American, please.


so all those asians in china are asian-americans? or are they china-men, women and children??
 
2012-03-08 10:18:45 AM  
showed up for the bearded Spock

leaving parallel

or something

/Tantalus field FTW
 
2012-03-08 10:19:23 AM  
so when i die, and my self meets my other self at the crest of eternity,
you're saying my other self is actually made of antimatter
which dissolves the two of us into pure energy?

that actually makes sense.
cool.
 
2012-03-08 10:19:57 AM  

John Nash: Does anti-matter react the same way to a photon that matter does? If they're on the matter side of the equation, why doesn't the photon get annihilated as soon as it hits the anti-matter particle? Are there anti-photons?


The antiparticles that comprise antimatter are identical to their normal counterparts except for their electric charge, roughly speaking. Photons have an electric charge of 0, and so is its own antiparticle.
 
2012-03-08 10:20:20 AM  

bullsballs: have they been able to split a beer atom yet??!!??


Oh, be serious you yahoo.
 
2012-03-08 10:21:18 AM  
What an Atom looks like
t1.gstatic.com
 
2012-03-08 10:23:27 AM  

dittybopper: Buck Henderson: meanmutton: Buck Henderson: I tried that model, what a waste of money. I ask for Earl Grey, I get Lapsang Souchong. Do I look like a Chinaman?

Maybe you were squinting. The instructions are in a pretty small font.


img13.imageshack.us
 
2012-03-08 10:23:33 AM  

Agarista: ... so it doesn't matter?


No, it does anti-matter.
 
2012-03-08 10:25:02 AM  
StrangeQ:But combine two half kilogram bricks of matter and antimatter and you'll release energy on the order of 20 Megatons of TNT. In that case, yes, there would be lots of splodey goodness.

I've always wondered how that would actually work. You'd have to cram the two bricks together pretty fast and hard - I'd guess the explosion would scatter most of the matter/anti-matter away before they could contact each other.
 
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