The platform hosted the Messenger Lectures series titled The Character of Physical Law given at Cornell University by Richard Feynman in 1964 and recorded by the BBC.
[2] He enjoyed the physics concepts and Feynman's lecturing style, and later acquired the rights to make the video available to the public.
The Silverlight application also includes text search over transcripts (which are shown synchronized with the video), support for time-stamped note-taking, and "Extras" that complement the video with external links, formulae, interactive demonstrations, and embedded WorldWide Telescope astronomical objects and tours.
In April 2011, Tuva was updated with new content and extras curated by MIT Jane and Otto Morningstar Professor of Physics Robert Jaffe.
[5] He was never allowed to travel to Tuva during his lifetime, with permission from the Soviet government coming the day following his death.