This is a really interesting look at what Ancient Egypt (and some other cultures) were capable of doing with electricity.
Lucy Wyatt also presents here a very interesting new theory for the purpose of the Great Pyramid of Giza, this may actually be my favorite theory yet.
Incidently, if you are curious about how the Great Pyramid was built, then you really must see this:
The Movie Great Pyramid K 2019 - Director Fehmi Krasniqi