This video illustrates the principle and shows tests of the previous generation
https://www.youtube.com/watch?v=b18HtG0DOCM
Oh, very cool, thanks. Going to hit the sack now, but looking forward to watching it when I get up.
Fascinating, thx. I’ve never heard of NERVA. I’ve heard plenty about Orion and I’ve always been a fan, but NERVA, as old as it is, is brand new to me.