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Brain-controlling magnets: how do they work?

Transcranial magnetic stimulation or TMS alters the activity of the brain allowing certain parts of the brain to be temporarily deactivated.

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www.guardian.co.uk/science/brain-flapping/2013/may/17/brain-controlling-magnets-how-do-they-work

Magnetic Confinement Demonstration!

As part of the Internet Plasma Physics Education eXperience (IPPEX) project, the purpose of this program is to demonstrate the difficulty of trying to contain a plasma inside a tokamak by using ...

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http://ippex.pppl.gov/

Magnetic field Demonstration in a current loop

The site demonstrates the effect of a magnet field when introduced on a conducting wire.

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http://physics.bu.edu/~duffy/java/BFieldb2.html
hyperphysics

Solenoid

A long straight coil of wire can be used to generate a nearly uniform magnetic field similar to that of a bar magnet. Such coils, called solenoids, have an enormous number of practical applications.

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http://hyperphysics.phy-astr.gsu.edu/hbase/magnetic/solenoid.html#c1

7-Foot Bubble Chamber

Description of the first particle detector of its type at Brookhaven in which the chamber through which the particles passed was surrounded by a superconducting magnet.

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http://www.bnl.gov/bnlweb/history/7_foot.asp

Lenz's Law

A moveable diagram including current flow and magnetic field lines that shows how the movement of a bar magnet influences the induced current in a stationary conductor.

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http://micro.magnet.fsu.edu/electromag/java/lenzlaw/index.html

Measurements on a Superconductor

Graph of resistance against temperature for YBCO, and two short movies of a magnet levitating above a superconductor. Great fun to see the movies - understanding how this happens is more challenging

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Hits: 1384

http://outreach.phas.ubc.ca/phys420/p420_96/bruce/ybco.html

Exploratorium Science Snacks - Diamagnetism

A grape is repelled by both the north and south poles of a strong rare-earth magnet. The grape is repelled because it contains water, which is diamagnetic.

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http://www.exploratorium.edu/snacks/diamagnetism_www/index.html

The Frog That Learned to Fly (Molecular Magnetism and Levitation)

A little frog (alive !) and a water ball levitate inside a vertical bore of a Bitter solenoid in a magnetic field of about 16 Tesla at the Nijmegen High Field Magnet Laboratory. This is a ...

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http://www.ru.nl/hfml/about-hfml/levitation/diamagnetic/
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