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Posted by dj aki on Jul-02-2004 08:48:

science?

here

what's the liquid that he put?

Posted by DJPG on Jul-02-2004 09:03:

I gotta admit that's cool

Posted by Furel on Jul-02-2004 20:18:

Very interesting

Posted by Lumps on Jul-02-2004 20:45:

doing dumb shit like that makes me wish I got into chem in school.

Posted by pornodoll on Jul-02-2004 22:18:

Wow! Somebody explain please?

Posted by P4z! on Jul-02-2004 23:26:

that's liquid nitrogen he's pouring in.

Posted by Fundamental on Jul-03-2004 01:13:

That was really cool, but can anyone explain what the hell's going on and how?!

Posted by eternity4ever on Jul-03-2004 07:19:

wow....that amzing shit

Posted by pornodoll on Jul-03-2004 11:34:

Magnet in dish. Liquid nitrogen supercools magnet which has the effect of 'freeing up' the magnetic fields enabling them to flow much more freely and support the disc.

As the magnet is removed, it warms up, the magnetic fields experience more resistance and hence, reduce, and don't work so well.

Posted by yaman on Jul-04-2004 22:59:

very interesting

Posted by DJ_Science on Jul-04-2004 23:27:

The block is a superconducting material (high-tc, probably YBCO). At room temperature the material is not a superconductor, but when submerged in liquid nitrogen (which is the liquid poured on) it is cooled below its transition temperature and the material becomes superconducting. In this state it ejects all magnetic fields within the material. To do this, the material creates a field around the outside of the material. This is the field which levitates the magnetic block. When the material is removed from the liquid it warms up and the superconducting state is lost. The resistance in the material increase and the external field is collasped. Any Questions?

Posted by Pett on Jul-07-2004 10:11:

dj science pulls through.

Posted by Mikado on Jul-07-2004 19:13:

SO what DJ_science is saying is, if i poor liquid nitro on my manhood itl become super conductive!!!! This will free up the mojo energy in my body making women from all over the world make an anual migration to my bedroom. RIGTH?

Posted by DJ_Science on Jul-10-2004 20:48:

Um you can try...but somehow I doubt that your manhood is a superconductor. Wow knows though? Maybe your is the undiscovered room-temperature superconductor.

You would win a nobel prize if it was!

Posted by pornodoll on Jul-10-2004 21:24:

It certainly will be super conductive. The problem is that the babe will float nicely above it, leaving you with the only option of having your usual wank. But then if your not too careful, you will snap your dick off. I'd forget it.

Posted by Fundamental on Jul-11-2004 03:53:

quote:
Originally posted by DJ_Science
You would win a nobel prize if it was!

I'd kill for the Nobel Peace Prize...

Posted by M1cro5lave on Jul-11-2004 09:38:

Isn't this called the Meissner effect or something?

Also, if you place the magnet on the superconducting material before it was cooled down and it become superconductive, wouldn't the magnet slowly start to lift off? I mean like the opposite effect of when it's loosing it's superconductive state?

Posted by Mikado on Jul-11-2004 17:12:

quote:
Originally posted by pornodoll
It certainly will be super conductive. The problem is that the babe will float nicely above it,

Floating above eh? That gives me some ideas... The resistance could be used for some intersting things. Kinda like sex in space.

Posted by SgtFoo on Jul-11-2004 18:54:

My guess:

The black block is a plain old magnet.
The disc was a conductive metal disc that can be magnetized.
Magnets loose their power when warmed/heated up, and so in the opposite (cold) they become much more powerful.
He poured liquid nitrogen (many of us know it as liquid/dry ice because of its "steamy" quality). The liquid nitrogen colled that magnet into its most powerful form and allowed it to spread its magnetic field, allowing the metal disc to be held in the field.

When the magnet was taken out of the cold nitrogen, it began to warm up and so it cold no longer suspend the disc.

Posted by pornodoll on Jul-11-2004 19:32:

Hey, Mikado. How you gonna do it when shes stuck to the ceiling? If thats how good sex in space is, I'd rather have sex in the UK.

Posted by cookie monster on Aug-06-2004 01:40:

I am a chemist. The likely explanation is that liquid oxygen is being poured into the dish. It a paramagnetic compoud, there are unpaired electrons in the last molecular orbital. Anyways its a magnetic compound that is very dense at low temperature.

There are three likely posibilities from hear on in.
1. The metal in the dish isn't magnetic, they try to prove it to you by dropping the other magnet on it. Thus the liquid oxygen is the only magnetic thing thats interacting with the other magnet.

2. The poles of the magnet in the dish are switch when the oxygen is poured around it.

3. This one is cheating. They pour liquid nitogen in. The poles of the magnet in the dish aren't reversed. They switch the poles of the magnet thats out of the dish by that plate they touch it with. If that plate is connected to a battery then its easy.

This is on the web and we all know if its on the web its got to be true. Personally I'd go with number three but all of them are probably whats going on.

Posted by N|te-L|fe on Aug-06-2004 05:29:

I've seen that in a live demonstration, quite impressive

For those who don't know they actually developped a train that is using this principle to displace itself..

check this out for more:

http://www.o-keating.com/hsr/maglev.htm

Posted by wo0dy on Aug-06-2004 06:09:

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Posted by Treo on Aug-06-2004 09:26:

Re: WTF

quote:
Originally posted by wo0dy
when i click the link, it's just a page with a bunch of this crap all over it

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WHAT DO I DO??!

Learn japanese

Posted by DjCoz on Aug-07-2004 02:03:

Re: WTF

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