You communicate with two entities in a room separate from you, asking questions and evaluating the responses, trying to identify which entity is a computer and which is human. If you can't tell, the machine wins.

Proposed by Alan Turing, the math genius who crcked the German Enigma code, and was, after the war, convicted of homosexuality and given sterilizing drugs which lead to his eventual suicide.

And this is the story of the film Imitation Game which we saw this afternoon with Irene, who, along with Emee and Wasaka are here having a sleepover.

Excellent film.

Bitter cold again, with a wind-chilling breeze. Which bodes well for iceboating.