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The Oppenheimer film became one of the booms in cinemas. Tells the story of the making of atomic bombs by the US in World War II. In this video we will discuss how atomic bombs work in simple language. How does it work? What materials are chosen? How is the engineering? and also touches a little on the second generation of atomic bombs. As an illustration, the mass of the material translated into explosive energy in Hiroshima was only 0.7 g. Half the weight of a Rp. 100 coin! Why is it only that small? Watch the video.