I seem to recall Clark Griswold working on just that type of spray on material.
Alice is always one side of the alice->bob secure messaging.
I was spoiled in that I never had to load from cassette. However, I did have to load basic from paper tape (!) which took forever. By the time it was loaded, I had lost interest.
That computer ran static RAM. I remember that we got a dynamic RAM board, but it was ridiculously unstable and failed most of the time. Years later, in the mid 90's, I was working on a system that had dynamic RAM without an automatic refresh circuit. I could literally watch the capacitors lose their charge and the memory go off into space. Another lesson learned about dynamic RAM.
S-100 based system that my dad built; H-19 terminal, 48k of RAM, later updated to 56k. For those of you that have seen WarGames, that's the one.
"By the time they had diminished from 50 to 8, the other dwarves began to suspect "Hungry." -- a Larson cartoon