In this artificially intelligent episode, Andrew and Ben give two robotic thumbs up to Ex Machina, and try to wrap their all-too-human brains around consciousness and the technological singularity

We also hear from Adam Rutherford, a scientific advisor on one of the film, on the process of 'sanity checking' the script, and from Stephen Gallagher about how Ex Machina seems to herald the return of more thoughtful science fiction.

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