Richard Feynman: "Fun To Imagine" (1983) [volume normalized]
www.invidio.us

This has been posted in several places unfortunately though, the audio for those other versions is highly variable. So I thought to normalize it in this version. An example (from where this was origin

The legendary Richard Feynman explains the physics behind everyday phenomena.

Broadcast by the BBC in 1983.

Videos of public speaking events
!talks

    Post your favorite talks, lectures, speeches, orations, sermons, eulogies, rants and diatribes.

    Remember to add the date the event took place in either the title or the comments.