http://et.nmsu.edu/~etti/fall96/
Ohms law and power law calculator.
http://www.angelfire.com/pa/baconbacon/page2.html
A collection of formulaes and some theory about electrostatics.
http://home.earthlink.net/~jimlux/hv/statics.htm
The transmitter’s six inch diameter coil launches powerful magnetic 175KHz ring pulses that can be detected by the Rx and viewed in a oscilloscope.
http://www.imagineeringezine.com/expjour.html
formulas for inductance
http://home.earthlink.net/~jimlux/hv/wheeler.htm
Fluid flowing through a system of pipes can behave in many respects like electricity flowing in a circuit.
http://www.4qdtec.com/water.html
An excellent extensive tutorial. Includes history, timing and logic diagrams. With numerous replacement guides.
http://www.uoguelph.ca/~antoon/gadgets/555/555.html
Describes what is cable characteristic impendance and how to calculate it.
http://www.epanorama.net/documents/wiring/cable_impedance.html