During the second world war, one of the biggest efforts of the war was the Manhattan Project: the secret American program to create an atomic bomb.

The scientists and staff of the Manhattan Project were in a race to beat Nazi Germany to be the first country to build the A-bomb. When Germany surrendered in May 1945, and Americans detonated the first device in July, they had seemingly won the race.

But was it in fact a race at all? How close were the Nazis to actually building an atom bomb?


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