The tech: A diabolical supercomputer with a human personality The lesson: Always keep an override switch handy. To complete his mission, Bowman risks his life to re-enter the ship and disconnect HAL’s circuits by hand. To ensure its own survival, HAL sabotages Poole’s spacewalk and locks Bowman outside of the ship. However, the ship’s supercomputer, HAL 9000 (voiced by Douglas Rain), has a human personality and deeply ingrained paranoia. Frank Poole (Gary Lockwood) go on a mission to Jupiter to examine an alien monolith. The tech: A supercomputer with a human personality The lesson: Don’t build artificial intelligence without some stronger safeties built-in. In response, humanity sends Kyle Reese (Michael Biehn) to protect Sarah from the virtually unstoppable Terminator in humanity’s last hope to resist Skynet. Refusing to take chances, Skynet arms a cyborg assassin known as a Terminator (Arnold Schwarzenegger) and sends him back in time to 1984 to kill Connor’s mother, Sarah Connor (Linda Hamilton). But one human, John Connor, leads the resistance against Skynet in 2029. A rogue A.I., Skynet will one day spark a nuclear holocaust, pitting humans against robots in an apocalyptic war to end all wars.

The story: No list about technology gone wrong can be complete without the legendary evil artificial intelligence system, Skynet.

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