WHAT DOES UNDERWATER NUCLEAR TEST 'UMBRELLA' MEAN?

Blast bubbles from deep nuclear explosions have a bit extended oscillations than shallow ones. They prevent oscillating and develop into mere very hot water in about 6 seconds. This takes place sooner in nuclear blasts than bubbles from regular explosives.Once "Do the Right Thing" got the 4K transfer treatment at the dawn of the 2020s, movie geeks