Tag: Enigma machine
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The Imitation Game
The first things to say about this film is that it is well worth seeing, profoundly moving and (in general) very well acted. The second is that it gets to be this way by rather playing with the facts. #520714001 / gettyimages.com I am no Turing expert – I’ve read On Computable Numbers (via the…
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A further suggestion that P!=NP
There are a class of mathematical problems known as “P”: these can be solved in “polynomial time” or, to cut to the chase, they are problems for which we know how (algorithmically) to solve when we see them. A trivial example is -if you are given a number X, how do you calculate Y which…
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Pykrete revisted
The current issue of New Scientist has a short but interesting piece about pykrete – the material, made of ice and saw dust, once proposed as the basis for aircraft carrier production during the Battle of the Atlantic – a conflict at its very peak 70 years ago. In essence, while Britain, America and the…
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The Great Alan Turing
Slashdot have a story to the effect that Leonardo DiCaprio is to play Alan Turing in a film that will mark the mathematician’s centenary next year. Great news – the man’s memory deserves nothing more than the actor who has proved himself to be both great and edgy in recent work (he’s certainly not the…
cartesian product ... stuff about computing mostly 