SWITCHcast is a sophisticated video management system, by means of which lecturers can very simply record their lectures, upload them to a central server, post-process them and make them available to students via the internet - both as online streams and as downloads for offline use.
The Lecture Browser is part of a research project on spoken lecture processing that is being undertaken by researchers in the Spoken Language Systems Group at the MIT Computer Science and Artificial Intelligence Laboratory.
IN 1999, legendary theoretical physicist Hans Bethe delivered three lectures on quantum theory to his neighbors at the Kendal of Ithaca retirement community (near Cornell University). Given by Professor Bethe at age 93, the lectures are presented here as