1. Magnetic Levitation - Wikipedia, The Free Encyclopedia Retrieved from http//en.wikipedia.org/wiki/magnetic_levitation . Categories Levitation Magnetism Physics. Views http://en.wikipedia.org/wiki/Magnetic_levitation

Magnetic levitation From Wikipedia, the free encyclopedia Jump to: navigation search This article is about magnetic levitation. For trains based on this effect, see Maglev train Levitating pyrolytic carbon Magnetic levitation maglev , or magnetic suspension is a method by which an object is suspended with no support other than magnetic fields . The electromagnetic force is used to counteract the effects of the gravitational force Contents Stability Methods Mechanical constraint Direct diamagnetic levitation ... edit Stability Earnshaw's theorem proved conclusively that it is not possible to levitate stably using only static, macroscopic, "classical" electromagnetic fields . The forces acting on an object in any combination of gravitational electrostatic , and magnetostatic fields will make the object's position unstable. However, several possibilities exist to make levitation viable, for example, the use of electronic stabilization or diamagnetic materials. Neodymium magnets are some of the most used magnets for the maglev system. edit Methods There are several methods to obtain magnetic levitation. The primary ones used in

2. Magnetic_Levitation Magnetic Levitation Magnetohydrodynam. Nuclear, Xray Interesting Stuff Public Displays Nature Photo Gallery http://tesladownunder.iinet.net.au/Magnetic levitation.htm

Magnetism topics on this page include: Magnetic Levitation Mk I Magnetic Levitation Mk II Magnetic Levitation of a coil Levitation with magnetic induction ... Levitron Magnetic levitation Mk I I am working on potential exhibits for the Gravity Discovery Centre in Gingin, Western Australia, as part of an 'antigravity' display. The GDC is the public interface for the Australian International Gravitational Observatory which is part of a worldwide effort to detect elusive gravity waves. (click to enlarge) It works! (After a week of adjusting and testing) A NIB magnet with some metal pipe is supported motionless, 1 inch below the coil. "..look Ma, no hands.." The circuit uses two linear Hall effect devices at either end of an electromagnet. The circuit senses a difference in the two outputs which should cancel regardless if the coil is switched on or off. An approaching magnet disturbs this balance and this this output is fed to a PWM (pulse width modulated) supply for the MOSFET output to the coil. Conditions are set so that there is an equilibrium is setup with the weight of the magnet and the electromagnet at a certain point where it will hover. Hmmm.. magnetism opposing gravity - sounds like 'antigravity' to me... (click to enlarge) The left photo shows the coil and earlier circuit board. The other two are of the neat side and the not-so-neat side. Alright, so I don't know how to do PCB's.

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Web Shopping Articles Local ... Search Engine Marketing Search for: in: All The Internet Images Google Yahoo Altavista Fast Ask Jeeves Lycos MSN Wisenut Hotbot AOL Search Teoma Home Internet Search Directory Shopping Search Local Search ... Search Engine Marketing Magnetic Levitation Home Science Physics Electromagnetism ... Transportation Sites in Magnetic Levitation Barry's Magnetic Levitation Plans How to design a magnetic levitation demonstrator using photodetectors and electronics to control an electromagnet. http://www.oz.net/~coilgun/levitation/home.htm Fun with Diamagnetic Levitation A simple how-to for creating your own diamagnetic levitation experiments, complete with demonstration images and thorough explanations. http://www.fieldlines.com/other/diamag1.html Fundamentals of Maglev Basic physics, types of maglev, how they float, and issues related to Maglev Trains. http://www.calpoly.edu/~cm/studpage/clottich/fund.html High Speed Ground Transportation Association Organization working to expand high speed ground transportation world-wide. http://www.hsgt.org/

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Arts Business Computers Games ... ABOUT Options: Directory Entire Web Top Science Physics Electromagnetism Magnetic Levitation Transportation Top/Science/Physics/Education Magnetic Levitation and Analog Servocontroler - Site presents original and exclusive experiences relating to magnetic levitation, servocontrol, etc. for a hobbyist. http://www.flyingmagnet.com/usindex.html Magnetic Levitation - Magnetic levitation research at the University of Nottingham, England. http://www.freewebs.com/ppxatc/ The Frog That Learned to Fly - Plenty of materials can be levitated in a strong magnetic field - from simple metals, liquids, and various polymers to everyday things such as various plants and living creatures (frogs, fish and a mouse). http://www.hfml.ru.nl/froglev.html Shanghai Pudong Airport MagLev in Depth - Discover what a real Maglev in operation looks like. Contains many pictures and ticket information. http://home.wangjianshuo.com/archives/20030809_pudong_airport_maglev_in_depth.htm Shanghai's Maglev - the world's fastest train - The future is here, in Shanghai, where the world's first maglev is up and running, reports Ron Gluckman. http://www.gluckman.com/Maglev.html

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Novi upisi Hot Top Nas Izbor ... DIR Search: search the entire directory search this category only Top Science Physics Electromagnetism ... Publications See also: Science: Technology: Transportation AMLEV - It is a magnetic levitation (maglev) based on permanent magnets and includes a self-stabilizing design based on permanent magnets. Aspects of Maglev - Future perspectives, potentials and limitations of Maglev. Effects on humans (society), environment (cities, infrastructure) and life style. Photos. Developments in Europe (Germany, Eastern Europe, South-east Europe), Asia (Japan, China, India) and North America. Atlanta Chattanooga Maglev - Group to build a maglev train system between Atlanta, Georgia, and Chattanooga, Tennessee. Includes benefits, technology information, and proposed locations. Baltimore-Washington Maglev Project - All about the project including definitions, background, newsletter. California Maglev Alliance - Provides information, news and descriptions of maglev in California. Howstuffworks: How Maglev Train Works - Explanation of how maglev train levitates and moves Inductrak - Passive maglev technology developed by a Livermore team.

10. Science Physics Electromagnetism Magnetic Levitation On NYMSD - National Yellow Science Physics Electromagnetism magnetic_levitation listings in NYMSD National Yellow Multi Services Directory. http://www.nymsd.com/web/sites.cgi?page=/Science/Physics/Electromagnetism/Magnet

11. Magnetic Levitation Magnetic levitation kits in The Scitoys Catalog. These kits are like magic. Levitating in mid air, a magnet floats, spins, and dips with every gentle breeze http://www.scitoyscatalog.com/magnetic_levitation.html

utmWriteSnippet('Titles') Magnetic Levitation Magnetic levitation kits in The Scitoys Catalog utmWriteSnippet('Content') These kits are like magic. Levitating in mid air, a magnet floats, spins, and dips with every gentle breeze. A thin sheet of an amazing material levitates soundlessly above gold plated magnets. No batteries needed these toys will operate without power forever. Full instructions for building the bismuth stabilized magnetic levitation toy can be found at Scitoys.com . Buy the super strong magnets and bismuth shot needed for the toy at the The Scitoys Catalog Using the amazing material pyrolytic graphite , the magnet can be levitated even higher than with bismuth. Buy the Levitation Bundle #3 one large gold plated magnet, one small gold plated magnet, and two sheets of pyrolytic graphite from the The Scitoys Catalog Pyrolytic graphite will levitate all by itself above four of our powerful magnets. Buy our Levitation Bundle #1 four gold plated magnets and the pyrolytic graphite from the The Scitoys Catalog See the complete instructions at Scitoys.com

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DMOZ Katalog Publications See also: Science: Technology: Transportation AMLEV - It is a magnetic levitation (maglev) based on permanent magnets and includes a self-stabilizing design based on permanent magnets. Aspects of Maglev - Future perspectives, potentials and limitations of Maglev. Effects on humans (society), environment (cities, infrastructure) and life style. Photos. Developments in Europe (Germany, Eastern Europe, South-east Europe), Asia (Japan, China, India) and North America. Atlanta Chattanooga Maglev - Group to build a maglev train system between Atlanta, Georgia, and Chattanooga, Tennessee. Includes benefits, technology information, and proposed locations. Baltimore-Washington Maglev Project - All about the project including definitions, background, newsletter. California Maglev Alliance - Provides information, news and descriptions of maglev in California. Howstuffworks: How Maglev Train Works - Explanation of how maglev train levitates and moves Inductrak - Passive maglev technology developed by a Livermore team. The International Maglev Board - Information on the world's various maglev transportation technologies. Transrapid, linear motor car, linimo, rotem, etc. System deployments, potentials, research efforts, photographs, charts, maps.

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Search: Top Science Physics Electromagnetism ... This directory section managed by Phil Allsopp

15. Magtube: Magnetic Levitation Magtube Freight transit for the 21st century. Home The Problem The Solution Technology Corporate Contact Magnetic Levitation Packet Network http://www.magtube.com/index.php/technology/magnetic_levitation

Magtube: Freight transit for the 21st century Home The Problem The Solution Technology ... Propulsion Halbach Arrays The maglev suspension technology developed for the Magtube design makes use of high-strength neodymium-iron-boron permanent magnets assembled in a configuration known as a Halbach array. A typical array of this type and its magnetic field are shown in the figure to the left. The Repulsor The active face of the vehicle array points downward, while the active face of the stationary track array points upward. The vehicle array is much larger in cross section than the track array to provide sufficient lift force while minimizing track costs. The Repulsor design produces in excess of three times the force of an equivalent mass of magnet material configured as simple dipoles of opposing polarity, and also confines the field to a much more localized area. The vertical and lateral forces produced by the Repulsor are illustrated below. With the vehicle and track arrays vertically aligned as shown in this figure, vertical force is maximized and lateral force is zero. As the lateral offset increases, the magnitude of the lateral force grows and tends to increase the offset even more, i.e. the Repulsor is laterally unstable. Stabilization To compensate for lateral instability, voice coil lateral stabilizers are mounted beneath the vehicle magnets to interact with the track magnets, resulting in the vehicle suspension shown in this illustration.

16. BOTW Directory - Science > Physics > Electromagnetism > Magnetic Levitation Top Science Physics Electromagnetism magnetic_levitation Submit Site. Transportation. Experiments By Bill Beaty Proffers illustrations and diagrams http://botw.org/top/Science/Physics/Electromagnetism/Magnetic_Levitation/

Directory Submit Site Free Advertising Sign In ... Sponsor This Category Free for 60 Days - Customize your message and appear alongside search results. Start your Free Trial today! Top: Science: Physics: Electromagnetism: ... Experiments By Bill Beaty - Proffers illustrations and diagrams uses for magnetism demonstrations. The Frog That Learned to Fly - Shows pictures and discusses explanations of object levitations within strong magnetic fields. Fun with Diamagnetic Levitation - Contains guides and illustrations for building diamagnetic levitation demos for scientific experiments and lectures. Maglev and Other Researches of Dr. Marc T. Thompson - Proffers resources and references of the system design consultant and Professor of electrical engineering. Maglev Quicklinks - Contains links to operational and under development transportation system. MAGLEV-2002 - Shows the marketing and social aspects; and discusses the industrialization status of the transportation system. Magnetic Levitation - Science is Fun - Discusses the theories, shows photos, and provides resources regarding the physical phenomena. Magnetic Levitation and Analog Servocontroler - Provides technical materials, photos, and resources regarding magnetism.

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Baza stron www Start Science Physics Electromagnetism ... Transportation See also: Science: Physics: Education The Frog That Learned to Fly - Plenty of materials can be levitated in a strong magnetic field - from simple metals, liquids, and various polymers to everyday things such as various plants and living creatures (frogs, fish and a mouse). Fun with Diamagnetic Levitation - A simple how-to for creating your own diamagnetic levitation experiments, complete with demonstration images and thorough explanations. MAGLEV-2002 - The 17th International Conference on Magnetically Levitated Systems and Drives, Lausanne. The conference is aimed to present the existing industrialization status, the marketing and social aspects, and application of MAGLEV for high-speed transportation systems. Maglev and Other Research of Dr. Marc T. Thompson - Research Interests of Marc T. Thompson, Ph.D., System Design Consultant and Professor of Electrical Engineering. Maglev Quicklinks - Links to systems currently operational or under development. Magnetic Levitation - Magnetic levitation research at the University of Nottingham, England.

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20. Magnetic Levitation Diamagnetism. A diamagnetic substance is one whose atoms have no permanent magnetic dipole moment. When an external magnetic field is applied to a http://www.rare-earth-magnets.com/magnet_university/magnetic_levitation.htm

Up Diamagnetism A diamagnetic substance is one whose atoms have no permanent magnetic dipole moment. When an external magnetic field is applied to a diamagnetic substance such as bismuth or silver a weak magnetic dipole moment is induced in the direction opposite the applied field. All materials are actually diamagnetic, in that a weak repulsive force is generated by in a magnetic field by the current of the orbiting electron. Some materials, however, have stronger paramagnetic qualities that overcome their natural diamagnetic qualities. These paramagnetic materials, such as iron and nickel, have unpaired electrons. Some Diamagnetic Elements Bismuth Mercury Silver Carbon Lead Copper Some Ferromagnetic Elements Iron Nickel Cobalt G adolinium Dysprosium Some Paramagnetic Elements Uranium Platinum Aluminum Sodium Oxygen Diamagnetic Levitation Diamagnetic Levitation occurs by bringing a diamagnetic material in close proximity to material that produces a magnetic field. The diamagnetic material will repel the material producing the magnetic field. Generally, however, this repulsive force is not strong enough to overcome the force of gravity on the Earth's surface. To cause diamagnetic levitation, both the diamagnetic material and magnetic material must produce a combined repulsive force to overcome the force of gravity. There are a number of ways to achieve this: Placing Diamagnetic Material in Strong Electromagnetic Fields Modern Electromagnets are capable of producing extremely strong magnetic fields. These electromagnets have been used to levitate many diamagnetic materials including weakly diamagnetic materials such as organic matter. A popular educational demonstration involves the placement of small frogs into a strong static electromagnetic field. The frog, being composed of primarily water, acts as a weak diamagnet and is levitated.

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