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Antihydrogen Trapped For 1000 Seconds

230 点作者 eduardoflores大约 14 年前

10 条评论

Typhon大约 14 年前
By the way, there's something I've been wondering about for a long time. I read somewhere that there are no antiphotons and antimatter emits light just the same as normal matter. So, I assume that there's no way to tell whether a photon was emitted by antimatter or by matter.<p>Therefore, how do we know distant galaxies aren't made of antimatter ?<p>Maybe there's an obvious answer, but as far as I know, the only thing we can know about these galaxies, we know because of the radiation they emit.
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ordinary大约 14 年前
I am nothing short of _astounded_ that we don't know if anti-matter "falls up".
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martinkallstrom大约 14 年前
$100 says antimatter is also attracted by gravity. Anything else would be too cool for school.
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dadro大约 14 年前
If it is proven that that anti-matter is repelled by gravity does that mean hover-boards will become a reality in our lifetimes? What are some of the potential practical applications?
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danparsonson大约 14 年前
"The ALPHA team now plans to cool a small lump of antihydrogen ..."<p>How do you cool something at this scale? And how about when it can't collide with any normal matter?
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ljf大约 14 年前
So who is bootstrapping the first startup right now to make hoverboards?
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wazoox大约 14 年前
Ooooh, if antimatter is repelled by gravity, that means that cavorite actually is antimatter, and therefore possible? I've always thought that cavorite is the cleverest Science Fiction device ever imagined...
mmaunder大约 14 年前
This is super exciting. One day when I'm wealthier than God I'm going to donate some money to the guys who are trying to find him.
unwantedLetters大约 14 年前
For those of us that don't know anything about it, can someone explain the significance of this achievement?
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Apocryphon大约 14 年前
They called it the greatest discovery in human history.<p>The civilizations of the galaxy call it... MASS EFFECT.