All rise! Court's in session as we the judges and you the jury examine all the evidence. The definitions of guilt, insanity, and conscience both to people and PCs. Is HAL technically a person anyway?

And does premeditated murder imply the same morality for computers or is it just another move on the chessboard? Let us know your verdict @spacepodyssey on Twitter, @spacepodyssey on Facebook, or [email protected]

Plus: heuristic learning,  farting filepaths, and digital tongues.

This Week In Science: the new A.I.-created beer, Beck's Autonomous.

Learn more and find our sources at www.spacepodyssey.com