Do nuclear bombs make us safer? As Christopher Nolan’s epic Oppenheimer storms the Oscars, fears of nuclear war have returned with a vengeance.
The Oscar winner and a question of survival
Shaken not stirred: After his Oppenheimer triumph, Cillian Murphy (above) is in the running to play James Bond. Glossary
Dolby Theatre - An auditorium in Hollywood, Los Angeles.
Academy Award - Hollywood's most prestigious honour, awarded annually since 1929 by Academy of Motion Picture Arts and Sciences. The Golden Globes is often seen to predict potential Academy Award winners.
Soviet Union - Officially the Union of Soviet Socialist Republics (USSR). A powerful group of communist republics, the biggest being Russia, that existed from 1922 to 1991.
Doomsday Clock - A symbolic timepiece showing how close the world is to ending. If the clock reached midnight, it would mean annihilation. Every year, scientists adjust the time.
Cold War - A period of diplomatic conflict between blocs led by the USA and the USSR that lasted from 1947 until 1991, when the USSR collapsed.
Iron Curtain - A political, military and ideological barrier dividing Europe into two separate areas from the end of World War Two until the end of the Cold War in 1991.