Christopher Nolan recreated nuclear explosion without CGI for new film

Christopher Nolan Makes His Nuclear Bombs the Old-fashioned Way

Christopher Nolan Recreated a Nuclear Weapon Explosion Without CGI, Developed New IMAX Film for ‘Oppenheimer’: ‘A Huge Challenge’

Christopher Nolan says he recreated the first nuclear weapon detonation without the use of CGI for ‘OPPENHEIMER’.