411 REFERENCE · Wikibooks
Electronics/Expanded Edition Afterword
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Electrolysis
Description, Faraday's rule, battery in reverse, maybe fuel cells
Ultra high frequency AC
Show how things change at ultra high frequency, wires becoming waveguides. This points the way to unification of electricity and radio.
Maxwell
Math free description, ubiquity of EM
Quantum stuff
Math free
Computers
Path from small circuits to PCs
Final word
Math free piece on how electronics fits into the wider scheme