Dr. Charles Forsberg on salt loop irradiation at MIT.
To design, build, and test a general-purpose instrumented molten-salt test loop at the MIT reactor where flowing salt is irradiated by neutrons with temperature variations around the loop to duplicate conditions in a salt reactor.
Thorcon Training Videos
I only became aware of these today...
https://www.youtube.com/playlist?list=PLdK0fuB2sHfkaozJisxMESiZ6H51muPBe
21 hours of 'em. Posted to YouTube by Bob S. Effendi.