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 Posted: Sat Dec 16, 2006 8:04 am
I am a little confused about these "supersolids". I searched them on google and could find little information that was explanitory about its properties. I have heard it is in the form of a solid but they pass through each other like ghosts, so, do supersolids have the same properties as superfluids? Or are they completly different?
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Posted: Sat Dec 23, 2006 3:03 pm
???
I have only heard that if you match the wavelength of something, you can pass through it.
BUT SINCE I KNOW nothing about high end physics and nice stuff like that...
You must wait some more.
Hi!
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Posted: Sat Mar 17, 2007 10:43 pm
That sounds really interesting... I'd like to know more about it too ninja
(..okay this post wasn't helpful at all.)
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Posted: Tue Aug 21, 2007 11:59 pm
Okay okay, hold up.
This guild is based on asking questions and the adventure of seeking them out (or so the nice little introductions seems to imply that)
I'm taking physics this year, along with chemistry.
So to make myself feel informed....What is a superfluid?
and in that case, are gases and liquids being considered a fluid, or would there be a supergas as well?
Forgive my silliness.
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Posted: Wed Aug 22, 2007 6:07 am
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Posted: Wed Aug 22, 2007 6:22 am
A superfluid is essentially a fluid cooled to a low temperature, and it reaches a state of having zero viscosity(i.e. it doesn't stick to anything and has no friction with itself or anything else.) , it all has zero entropy, meaning it doesn't lose any energy to heat, and also an infinite thermal conductivity.
Because of these properties, it'll climb up the sides of it container, and it will only spin at certain speeds, for instance, if you put it in a container, and you start spinning it, it will remain stationary, and then when you reach a certain speed, it'll instantly start spinning that speed.
Superfluids are either super cold (near 0-2Kelvins) Helium-3 or Helium-4
Supersolids are a theorized(not yet proven state) of matter that is supposed to be the same thing as a superfluid basically, except solid. It is unknown at this time whether such a thing exists, as we arent sure if either of the heliums can actually freeze solid.
I do not believe that they would beable to pass right through each other or things, or else we'd make one, and it 'd fall through the earth and start orbiting sweatdrop
I'm not very knowledgeable in the subject, so I may not be able to clarify as much as someone else may.
Also Dave, those article go a little beyond most peoples understandings, so I'm not so sure some people in this guild would understand it.
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Posted: Wed Aug 22, 2007 6:33 am
Superfluids cannot move through solid substances any more than a regular liquid could. Presumably it could travel through cracks some liquids could not, simply due to the difference in friction, but nothing more.
The only thing i would like to add to Buga's description is on supersolids. As of now, there is no reason to believe supersolids exist. It currently appears what were thought to be supersolids were merely imperfections in the crystals used. When a portion of the imperfections were removed, the evidence of supersolids lessened or vanished.
Even the core predictions which led to the concept of supersolids have been cast into doubt in the last year.
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