Good stuff, long, must listen !
The Intellectual People Podcast - Galen Gareis (Former Belden Wire Designer)
Former Belden Wire Designer Galen Gareis explains how cables need to meet certain standards and the design parameters around them. He also speaks about the actual science and the subjective side within hifi audio.
https://www.youtube.com/watch?v=_tgi7njiRSM
https://www.youtube.com/watch?v=_tgi7njiRSM