MadSci Network: Physics

Re: is it possible to focus a magnetic field over a distance of 2-3 feet

Date: Sat Aug 28 20:20:49 2004
Posted By: Dr. Fred Jeffers, Staff, Magnetic Recording Research, Iomega corp.
Area of science: Physics
ID: 1092832684.Ph

     The only way to create a more or less static magnetic field on an 
object is to but the object in a coil carrying current or put it next to 
a magnet.  Large research superconducting coils can generate a sizeable 
field at a distance. 

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