If “Terminator,” “The Matrix” and “2001: A Space Odyssey” taught us anything, it is that super-intelligent machines are bad news for humans. Now comes the new film, Transcendence, where a human brain is uploaded into a computer, with disturbing results. Could it actually happen?If “Terminator,” “The Matrix” and “2001: A Space Odyssey” taught us anything, it is that super-intelligent machines are bad news for humans. Now comes the new film, Transcendence, where a human brain is uploaded into a computer, with disturbing results. Could it actually happen?