Occassionally, BoingBoing is good for something.
If you don't want to go the long way, let me say that Mark Frauenfelder has pointed to a wealth of geeky British TV goodness at Google Video in the form of "The Secret Life of Machines".
I remember spending a whole afternoon watching these on the Discovery Channel one weekend about 10 years ago. Good times. For some reason, I remember the one about the fax machine best of all: