We all know that computing power roughly doubles every 18 months—but at that rate, how long will it take for computers to be as powerful as the human brain?

As this animation from Mother Jones shows, not long. It might have been slow going at first, but we're soon about to witness a growth spurt that could take us by surprise. If these calculations are correct, we look forward to the Skynet takeover of 2026. [Mother Jones]