Ray Kurzweil, the pioneering AI scientist, Google researcher, and “AI visionary,” is joining a Silicon Valley startup developing a method to put computers in the brain by snorting nanoparticles. Subsense, a four-year old company developing brain-computer interface technology, announced the news alongside Kurzweil at an event at its Palo Alto headquarters on Wednesday evening. “Ultimately, we want to merge [the smartphone] with the brain,” said Kurzweil, whose famous “singularity” theory posits t...