It’s been called the “rapture of the nerds,” but such derision didn’t stop an estimated 500 enthusiasts from showing up to the Singularity Institute’s conference in San Jose, Calif., last weekend to discuss the possibility of artificial intelligence overtaking that of humans. That’s the concept of technological singularity, popularized by author and inventor Ray Kurzweil. Talking about something that might happen, will be world-changing and can’t be predicted is quite the task. Yet some speakers gladly took it on.