8
votes
3answers
169 views

Did Heisenberg undermine the German atomic bomb by deliberately hiding his expertise from the Nazis?

Source. In his massive book Heisenberg's War: The Secret History of the German Bomb, Thomas Powers says that Heisenberg, who never became a Nazi and balked at the immorality of building a bomb for ...
1
vote
0answers
21 views

Skis for water were tried in the German troops as sort of ski-yaks, is there more information?

During WW2 the German Army experimented with a sort of floating set of skis for water. In essence a kayak for each foot and a pole with a paddle on either end for balance and propulsion. (I have tried ...
5
votes
1answer
68 views

Which floating-point representation did Konrad Zuse's Z1 use?

Wikipedia notes: "The Z1 was a 22-bit floating point value adder and subtracter". But the specific format used is nowhere to be seen.