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ChuangTzu
starvingphysicist



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Flux pinning and levitation
#15317123 - 11/03/11 10:33 AM (12 years, 2 months ago) |
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So we've all seen levitating superconductors before, but some may not be familiar with a nifty twist on the idea which involves "flux pinning":
Skip ahead to about 2:25 to see what I'm talking about. And it gets more interesting yet at around 4:15.
Enjoy. 
(Note, I take issue with the idea that the movement is "frictionless", but I'll let it slide, kind of...)
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DurbanFlavioEric
Akatsuki


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Re: Flux pinning and levitation [Re: ChuangTzu]
#15317163 - 11/03/11 10:48 AM (12 years, 2 months ago) |
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Wow. Never Seen this before. Anything else interesting you would like to share?
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ChuangTzu
starvingphysicist



Registered: 09/04/02
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>>Anything else interesting you would like to share?
Nah. That's all I've got right now...
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FunnyLight
Nom NOm NOM


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Re: Flux pinning and levitation [Re: ChuangTzu]
#15320338 - 11/04/11 12:25 AM (12 years, 2 months ago) |
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So this is dependent on the boundaries in the inner waffer. When they get it to lock upside down, and hang from the magnet this means that there are horizontal boundaries also? That makes since I guess, but that seems weird for whatever reason. Wonder if that sapphire disk has much strength to it?
-------------------- The most powerful drive through the ascent of man, is pleasure in his own skill. J. Bronowski Home of delicious "Psychedelic Nyotaimori". Thanks Lemmingp for that.
 
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HagbardCeline
Student-Teacher-Student-Teacher



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Re: Flux pinning and levitation [Re: ChuangTzu]
#15325036 - 11/05/11 12:44 AM (12 years, 2 months ago) |
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That was really cool. I can still remember when superconductor was a buzz word. Along with cold fusion, lasers, and virtual reality, superconductors were going to revolutionize our world in ways we couldn't even imagine.
The future I'm told to expect in what I read, comes to pass and seems to often fall short of what I was expecting. Scientists also seem to either over promise in their estimation of capability and necessity, or they underestimate the difficulty in commercializing good tech.
Certainly had those superconducting high-voltage transmission lines that I was promised been in use then we would not have had to endure those rolling blackouts during the summer. Curse sensationalist science writers for controlling my expectations.
-------------------- I keep it real because I think it is important that a highly esteemed individual such as myself keep it real lest they experience the dreaded spontaneous non-existance of no longer keeping it real. - Hagbard Celine
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Idiot
I Am Moron!


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The problem is creating a room temperature super conductor. It may get expensive filling trains with liquid nitrogen.
-------------------- Customize your Shroomery experience! Do not argue with an idiot. He will drag you down to his level and beat you with experience.
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DieCommie

Registered: 12/11/03
Posts: 29,258
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Quote:
HagbardCeline said: The future I'm told to expect in what I read, comes to pass and seems to often fall short of what I was expecting. Scientists also seem to either over promise in their estimation of capability and necessity, or they underestimate the difficulty in commercializing good tech.
Certainly had those superconducting high-voltage transmission lines that I was promised been in use then we would not have had to endure those rolling blackouts during the summer. Curse sensationalist science writers for controlling my expectations.
Looks like your bullshit detectors could use a tune up.
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ChuangTzu
starvingphysicist



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Quote:
HagbardCeline said: Scientists also seem to either over promise in their estimation of capability and necessity, or they underestimate the difficulty in commercializing good tech.
In my experience, scientists tend to underpromise. Every statement they make is full of reservations when it comes to new technologies. It's the media that exaggerates the significance of everything...
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HagbardCeline
Student-Teacher-Student-Teacher



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Re: Flux pinning and levitation [Re: ChuangTzu]
#15327054 - 11/05/11 02:01 PM (12 years, 2 months ago) |
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backpedaling/
Perhaps the claim that they overestimate everything was undeserved. I was pretty tired at that point and think I may have meant to say say it was the writers as I did at the end.
I do think I would stand by the claim that they can underestimate the difficulty in commercialization though. Though that probably goes for most people without experience in that arena.
But seriously, how long does a man have to wait to get liquid filled, variable zoom lense for my phone's camera?
-------------------- I keep it real because I think it is important that a highly esteemed individual such as myself keep it real lest they experience the dreaded spontaneous non-existance of no longer keeping it real. - Hagbard Celine
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DieCommie

Registered: 12/11/03
Posts: 29,258
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Quote:
But seriously, how long does a man have to wait to get liquid filled, variable zoom lense for my phone's camera?
We are all waiting on you to develop it.
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