AT&T's official YouTube page includes an incredible number of educational videos from their archive including work by Jim Henson and Saul Bass.
The Viewtron System and Sceptre Videotex Terminal (1983)
The Hello Machine
Microelectronics Video Disc Exhibit
Music in Motion
Crystal Clear
Lightwave
Bottle of Magic
The UNIX Operating System
Telezonia
Now You Can Dial
Principles of the Optical Maser
Genesis of the Transistor
Thanks for post, folks! We're glad that you like the Archive films. We've got some more great stuff coming up in the coming weeks, so keep an eye out for it!
Just to be clear - the AT&T Tech Channel is a part of AT&T, but our site shouldn't be considered "AT&T's Official" site.