67358 external_news 1308310493 1475893486 Mr. Spock can relate to certain advantages of having robots in the combat zone: They are free of human emotion, which can distort judgment, and they don't express anger or frustration. But Ron Arkin, Regents' Professor and director of the Mobile Robot Laboratory in Interactive Computing, envisions robots designed with some capabilities—if not exactly feelings—that would be constructive: Remorse, compassion, and yes, guilt.

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