Electronics/Expanded Edition Afterword
Electrolysis edit
Description, Faraday's rule, battery in reverse, maybe fuel cells
Ultra high frequency AC edit
Show how things change at ultra high frequency, wires becoming waveguides. This points the way to unification of electricity and radio.
Maxwell edit
Math free description, ubiquity of EM
Quantum stuff edit
Math free
Computers edit
Path from small circuits to PCs
Final word edit
Math free piece on how electronics fits into the wider scheme