Here are some previous lectures given by Dr. Walter Gekelman to LAPTAG students.

Auroras

Introduction to Plasmas

Noise, Fast Fourier Transforms, Waves and Correlation Functions

Maxwell's Equations and Sheaths in Plasmas

Maxwell"s Equations Explanations (podcasts)

Debye Length and Sheaths

Langmuir Probes

Ion Sound Waves

7-28-07 plasma lab notes[1].pdf (Current / RMS Velocity Notes - 7/28/07)

MIT Classical Mechanics .........Lewin

MIT Electricty and Magnetism Course ...... Lewin

Properties of Waves (Walter's Lecture 8-14-09)

Propeties of Waves (Walter and Yuhou 10.3.09)

FeymanLectures

Wave properties

Group and Phase Velocity

Wave Animations