75 years ago today: Vannevar Bush sends a memo to FDR, suggesting they ramp up their work on the atomic bomb. "VB, OK, FDR," he writes back.pic.twitter.com/9bfFFKhZ5s
Errors: 1. Expected price-tag off by over $1bn; 2. Date of delivery is 1.5 years off; 3. Critical mass for U-235 was 5-10X off.
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now that is THE Bow-wave effect)))
Thanks. Twitter will use this to make your timeline better. UndoUndo
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