Manhattan Project Patent
Clip: Season 7 Episode 2 | 18m 28s
A contributor brings History Detectives a patent with his father's name on it. He is certain that his father worked on the famous Manhattan Project - America's covert effort to be the first to build an atomic weapon during World War II. Was this invention used to build the Atomic Bomb? History Detectives discovers a plan to hide atomic secrets in plain sight.
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