By Jared Newman
June 18, 2014

Elon Musk is best known for his work on electric cars and rocket ships, but he’s also invested in a couple of artificial intelligence startups. It’s not for the money, he says, but because “I like to just keep an eye on what’s going on with artificial intelligence.”

Speaking to Kelly Evans and Julia Boorstin on CNBC Tuesday, Musk discussed why he’s an investor in Vicarious, and why he invested in DeepMind (before it was acquired by Google), both AI companies.

Musk said there is “potentially a dangerous outcome” for the technology, and that “there have been movies about this, you know, like Terminator.”

Unfortunately, Musk was short on ideas for how we might stop intelligent computers from turning against us. Here’s the best–or, most terrifying–part of the exchange:

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