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