Note that some equations in linked PDF files may not display (go figure).  Working on it ...

Special Relativity 001 (only Faraday's Law and Pythagoras needed) 

Planck Units

Schwarzschild Radius

Determination of Earth's Magnetic Field - V(t) of rotating 500 turn 0.36 m2 coil.

Helmholtz Coil Analysis - calculated magnetic field as functions of distances along coil axis and away from it.

Electrostatic Deflection of Water Stream - short video

Debye Peak Resolution

Maxwell Wagner Effect (with an application to emulsions of supercooled water in heptane). Latest update 5/20/17

Simplified Derivation of the van der Waals Force

Equation for an Ellipse - a proof that if the distances of a point from x = --a and x = +a add up to a constant then the point traces out an ellipse.

Derivation of Relative Permittivities for Conductivity Relaxation