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Physicists 'solve' mystery of levitation


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#16    Since804

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Posted 07 August 2007 - 06:15 PM

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Why can't won't you conspiracy theorists just present some actual evidence?



Because then it wouldn't be a conspiracy...duuuuuh rolleyes.gif
UFO stands for Unidentified Flying Object. Is it that hard to understand??
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#17    oldie

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Posted 07 August 2007 - 06:25 PM

It sounds similar to the Stoern device to me.

#18    crypto-dude

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Posted 07 August 2007 - 06:56 PM

Since the dawn of time levitation has been and obsession with humans.  I once saw some German footage of an African shaman levitating in a ring of fire with nothing above him.  Some believe that through spiritual rituals you can achieve levitation, but magicians like me have come up with more lucrative ways to do this.  I'm sure many of you have seen the Ballduci levitation which was popularized by David Blaine.  There are many other forms, the King Rise, The Copperfield Levitation, The Adruzzi Levitation, etc.  There's a new levitation out now that I think is the ultimate street magic trick, it's called Skywalker (no relation to starwars) where the magician is surrounded at all angles and flots 2-3 inches in the air.  But don't expect to see this become very popular, the catch is that the manufacturer has to customize your shoes.  I think the reason that levitation is an obsession with people is because it is almost a symbol of power.  Think about it, in every movie where some demon, witch, etc takes over the world they can always fly.

Whenever the words "Levitation" and "Magic" are in the same scentence people tend to think of Criss Angel's infamous levitations.  Let me make one thing perfectly clear:HE HAS NO SPECIAL POWERS!!!!!!!!!!!!!!!!!!!!!! HE IS JUST AN ILLUSIONIST AND A HUMAN BEING LIKE THE REST OF US!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!  I'm not going to say how he does the levitation where he is surrounded by people and floats, but I will say that it's not camera editing, and it's not wires.  The whole reason that he's so famous for that one is because he's the only one that is stupid enough to do it.  Because with that particular method you could lose contol and fly away into the sky, or if you move wrong (or at all)  *SPLAT!!!* Thankfully he didn't use this when he floated from building to building, or he'd be dead.  I'm not sure if it's the one he used for floating above the Luxor.

Edited by crypto-dude, 07 August 2007 - 06:56 PM.


#19    crypto-dude

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Posted 07 August 2007 - 06:58 PM

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Why can't won't you conspiracy theorists just present some actual evidence?



Every time we do people go "no, that doesn't count because that's not how I think."

#20    bball

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Posted 07 August 2007 - 07:16 PM

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Every time we do people go "no, that doesn't count because that's not how I think."

Yep, and the most conclusive evidence is just not going be made available in any way to the public.
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#21    Repoman

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Posted 07 August 2007 - 07:54 PM

There is something flawed here. Why doesn't the object simply disintegrate? How are they able to make this object only resist the gravity of earth? If it isn't resisting gravity, what is it resisting to hover? If it has resisted gravity, then why doesn't it disappear?

If it were no longer bound to earth's gravity, then it would fly out of sight instantly as the earth rotated away from it and the universe expanded.



#22    Startraveler

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Posted 07 August 2007 - 08:11 PM

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do anyone know how this they did it?


They didn't actually levitate anything, they're theorists and this is a theoretical paper. They used the fact that if a certain type of new and interesting material (called a metamaterial) was placed between the plates that normally get pushed together by the Casimir effect, the material would have the effect of changing the rule in between those plates a bit. As the authors put it: "A transformation medium performs an active coordinate transformation: electromagnetism in physical space, including the effect of the medium, is equivalent to electromagnetism in transformed coordinates where space appears to be empty."

Let me give you an imperfect analogy to see what this means. Suppose you're having a garage sale and you're trying to get rid of some old autographed baseball cards. The value of those cards will depend on who comes browsing through them. They might be worth a fair amount to fans of the particular player who autographed them, a bit less to someone who just enjoys baseball or baseball card-collecting, and usually only in the absence of anybody whatsoever are they worth less than the paper stock they're printed on. That is, often things (or rules) depend on the particular surroundings--the "medium." But suppose for some reason the crowd--the medium--at your garage sale turned out to be a bunch of baseball-haters. The value of your cards would be nil, just as if nobody was there at all because, of course, these people won't want to buy them. We could say this particular medium--the crowd of baseball-haters--has the effect of transforming the rules governing the value of your cards so that they act as if the garage sale appears empty of people. It isn't, there are people there. But the particular group of people (medium) is such that the value of your cards is determined by the same rules as if nobody was there at all.

I don't know if that helped at all but in this levitation effect the special metamaterial acts like the baseball-haters. That is, it makes the rules of electromagnetism (like the rules for assigning value to your cards) act as we're in empty space (i.e. nobody's around) and not in a situation where a material is sandwiched between two plates. The overall effect of making electromagnetism act as if it's playing in empty space is to take the standard attraction of the Casimir effect and make it repulsive. But the special metamaterial has to be stuck in there to "reset the dial," so to speak, to empty space.

Weak analogy, I know, but they're not really my thing.

Edited by Startraveler, 07 August 2007 - 08:11 PM.


#23    DieChecker

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Posted 08 August 2007 - 01:57 AM

The article seems to say that this has nothing to do with magnetism or gravity. The objects are just repeled by other objects. So it is not countering gravity, where it would shoot off into space, or using magnets and spin to effect levitation. Cool.

depending on how much this meta-material costs, we could see flying cars and hover boards fairly quick.
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#24    AntoniCanada

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Posted 08 August 2007 - 02:45 AM

Finally now I dont actually have to get up for work in the morning.

#25    ShaunZero

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Posted 08 August 2007 - 02:51 AM

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Why can't won't you conspiracy theorists just present some actual evidence?


Evidence that the government has technology more advanced than the public knows of? We already did that. If you can't accept it now, you never will. Just the existence of these "UFOs" proves it. Besides, you must admit: It's more likely these UFOs are man made and not made by ET. There are also countless videos and images of UFOs taking off and/or landing in area 51. The UFO phenomena is a well researched one.

Edited by Zero of Deism, 08 August 2007 - 02:52 AM.

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#26    ShaunZero

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Posted 08 August 2007 - 02:53 AM

Accident.

Edited by Zero of Deism, 08 August 2007 - 02:54 AM.

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#27    Shankpin

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Posted 08 August 2007 - 03:33 AM

I agree Zero.
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#28    Mad Manfred

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Posted 08 August 2007 - 07:36 AM

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Hover boards, hover cars, hover cafe's ! The future is here. Finally. It's not just in movies or books anymore  ohmy.gif


Hover porn shops! I've always thought my pron shops could do with a little hoverin'.

#29    Raptor

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Posted 08 August 2007 - 11:16 AM

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Evidence that the government has technology more advanced than the public knows of? We already did that. If you can't accept it now, you never will. Just the existence of these "UFOs" proves it. Besides, you must admit: It's more likely these UFOs are man made and not made by ET. There are also countless videos and images of UFOs taking off and/or landing in area 51. The UFO phenomena is a well researched one.


Of course the government has more advanced technology, but I'm not talking about that. He said that the government has alien technology.

#30    ShaunZero

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Posted 08 August 2007 - 11:40 AM

Ah.... Well, Alien or not, it seems as though they have some sort of anti-gravity vehicles. Or at least close to it, considereing how some UFOs maneuver.
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