Is smarter-than-human AI a realistic prospect?

AI that is smarter than humans may sound like science fiction. Nonetheless, some AI researchers have had this in mind as a goal for a long time, and in the last decade, companies worth billions of dollars have been built with the explicit aim of building such an AI. Dive into the related articles to see why serious people are worried that smarter-than-human AI might be not only possible, but coming soon.