Cultural prism: Very real artificial intelligenceA self-aware machine may someday set its own goals and strive to achieve them, contradicting human interests, justifying drastic means, and even fighting for self-preservation.THE WORLD’S top Go player, Lee Sedol, and Demis Hassabis, the CEO of DeepMind Technologies and developer of AlphaGO, arrive at an award ceremony for the Google DeepMind Challenge Match against Google’s artificial intelligence program AlphaGo in Seoul, South Korea, in March.(photo credit: REUTERS)