Dr. Donald Scott was recently (March 2009) invited to present at NASA's Goddard Engineering Colloquium.
Text Summary:
http://ecolloq.gsfc.nasa.gov/archive...nce.scott.html
1 Hour Presentation:
http://mediaman.gsfc.nasa.gov/colloq...NG20090316.asx
If you've studied anything remotely about electrical phenomina (right hand rules, maxwells equations, amps, volts and EM fields... ie high school physics) and have an interest in astronomy... this is a great presentation @ NASA.