Condensatori e legge di Ohm
https://www.youtube.com/watch?v=u__omOnnwis
Condensatori ed induttori (RCL)
https://www.youtube.com/watch?v=cQRuy_DbLmU
Principi dei tubi a gas
https://www.youtube.com/watch?v=HbkAqLFxIP0
Tubi a vuoto: una moderna lampada di Aladino (1940)
https://www.youtube.com/watch?v=_-JzxX75oYc
Diodi a vuoto (1942)
https://www.youtube.com/watch?v=cIvjBKMX9jg
Tubi a vuoto (1970)
https://www.youtube.com/watch?v=3lDEQNQdvB4
Saldatura (brasatura)
https://www.youtube.com/watch?v=wvl_KYif9zA
Saldatura (brasatura)
https://www.youtube.com/watch?v=_RXugDd0xik
Il Transistor (1953)
https://www.youtube.com/watch?v=V9xUQWo4vN0