1:56:14
Roger Penrose: The Big Bang Was Not The Beginning
1:10:02
The 30th Hintze Lecture – Prof Sir Roger Penrose and Prof Janna Levin: 'A Universe of Black Holes'’
40:49
Sir Roger Penrose: "The Big Bang was not a beginning of the Universe"
1:19:42
Brian Cox: The quantum roots of reality | Full Interview
1:09:22