Answer a question more than 60 days later with score of 5 or more. This badge can be awarded multiple times.
earned this badge 3 times.
Awarded Aug 31, 2021 at 6:40
Awarded Jul 17, 2017 at 5:31
Did Heisenberg undermine the German atomic bomb by deliberately hiding his expertise from the Nazis?
Awarded Jun 24, 2017 at 14:40