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Physicists 'solve' mystery of levitation


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#1    UM-Bot

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Posted 07 August 2007 - 10:03 AM

user posted image rLevitation has been elevated from being pure science fiction to science fact, according to a study reported today by physicists. In earlier work the same team of theoretical physicists showed that invisibility cloaks are feasible. Now, in another report that sounds like it comes out of the pages of a Harry Potter book, the University of St Andrews team has created an 'incredible levitation effects’ by engineering the force of nature which normally causes objects to stick together.

news icon View: Full Article | Source: Telegraph

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#2    Twin Peaks

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Posted 07 August 2007 - 11:11 AM

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


#3    Star_girl

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Posted 07 August 2007 - 11:25 AM

I wonder how many decades it will take to eventually get the the level where we can have hover crafts! That would really be cool!

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#4    ShaunZero

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Posted 07 August 2007 - 01:04 PM

Flying saucers.....

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#5    GreyWeather

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Posted 07 August 2007 - 01:23 PM

...Weather balloons.

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#6    Ghø§t

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Posted 07 August 2007 - 02:21 PM

...cool grin2.gif

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#7    :PsYKoTiC:BeHAvIoR:

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Posted 07 August 2007 - 02:34 PM

We are now one step close to make hover boots with little rockets boosters people!  grin2.gif

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#8    Since804

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Posted 07 August 2007 - 02:38 PM

Why wont the government just admit they have alien technology that they are reverse engineering instead of this "OMG WE DISCOVERED SOMETHING NEW COMPLETELY OUT OF NOWHERE WITH NO SUSPICIOUS ACTIVITY INVOLVED!" stuff....

UFO stands for Unidentified Flying Object. Is it that hard to understand??
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#9    Raptor

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Posted 07 August 2007 - 03:00 PM

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Why wont the government just admit they have alien technology that they are reverse engineering instead of this "OMG WE DISCOVERED SOMETHING NEW COMPLETELY OUT OF NOWHERE WITH NO SUSPICIOUS ACTIVITY INVOLVED!" stuff....


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


#10    TeraLink

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Posted 07 August 2007 - 03:31 PM

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...Weather balloons.

happy.gif Finally! I wants me some hovering weather balloons & swamp gas. Of course, the hoverboards, as well.

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#11    telirium

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Posted 07 August 2007 - 03:47 PM

is levitation another name for anti-gravity or im i just totally not getting it? huh.gif


a child's rhyme stuck in my head...

#12    Raptor

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Posted 07 August 2007 - 04:36 PM

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is levitation another name for anti-gravity or im i just totally not getting it? huh.gif


No. There are thousands of things which oppose gravity (planes, balloons, even just jumping in the air), but for something to be anti-gravitational it would have to manipulate the force of gravity, causing it to repel rather than to attract.


#13    Harriet The Ripperologist

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Posted 07 August 2007 - 05:02 PM

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The future is here. Finally. It's not just in movies or books anymore  ohmy.gif



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#14    robwiljr

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Posted 07 August 2007 - 05:53 PM

do anyone know how this they did it?



#15    outlooker

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Posted 07 August 2007 - 06:13 PM

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linked-imageLevitation has been elevated from being pure science fiction to science fact, according to a study reported today by physicists. In earlier work the same team of theoretical physicists showed that invisibility cloaks are feasible. Now, in another report that sounds like it comes out of the pages of a Harry Potter book, the University of St Andrews team has created an 'incredible levitation effects’ by engineering the force of nature which normally causes objects to stick together. Professor Ulf Leonhardt and Dr Thomas Philbin, from the University of St Andrews in Scotland, have worked out a way of reversing this pheneomenon, known as the Casimir force, so that it repels instead of attracts. Their discovery could ultimately lead to frictionless micro-machines with moving parts that levitate But they say that, in principle at least, the same effect could be used to levitate bigger objects too, even a person.The Casimir force is a consequence of quantum mechanics, the theory that describes the world of atoms and subatomic particles that is not only the most successful theory of physics but also the most baffling.

The force is due to neither electrical charge or gravity, for example, but the fluctuations in all-pervasive energy fields in the intervening empty space between the objects and is one reason atoms stick together, also explaining a “dry glue” effect that enables a gecko to walk across a ceiling. Now, using a special lens of a kind that has already been built, Prof Ulf Leonhardt and Dr Thomas Philbin report in the New Journal of Physics they can engineer the Casimir force to repel, rather than attact. Because the Casimir force causes problems for nanotechnologists, who are trying to build electrical circuits and tiny mechanical devices on silicon chips, among other things, the team believes the feat could initially be used to stop tiny objects from sticking to each other. Prof Leonhardt explained, “The Casimir force is the ultimate cause of friction in the nano-world, in particular in some microelectromechanical systems.

linked-image View: Full Article | Source: Telegraph


It looks very familiar...like the levitron toy that has been around for a lot of years...
this thing: http://www.levitron.com/
the toy actually works by using opposing magnetic fields to levitate the spinning top...and it has to spin to work.
http://www.levitron.com/images/levitron.mpg






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