Our Hidden Past- Y-12s First Mission (Open Captioned)
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- เผยแพร่เมื่อ 14 มิ.ย. 2010
- (Open Captioned for the hearing impaired)
E.O. Lawrence's calutrons separated the isotopes that made the first Atomic bomb possible. However, his methods caused some excitement at the Y-12 plant in Oak Ridge, Tenn. - วิทยาศาสตร์และเทคโนโลยี