ScienceX on Instagram: "In August 2020, Russia’s state nuclear agency Rosatom released never before seen footage of the 1961 Tsar Bomba test, the most powerful nuclear explosion ever recorded. The newly declassified documentary runs about 30 minutes and shows rare angles and details of the hydrogen bomb detonation, offering a chilling look at the sheer scale of the blast. It was a hydrogen bomb tested by the Soviet Union on October 30, 1961, over Novaya Zemlya in the Arctic. Its yield was about