After a long hiatus, I am back -- focused and ready to continue tackling the difficult and fascinating questions in the philosophy of physics and consciousness.  I am also investing in my YouTube channel, focusing on clear explanations of difficult concepts to the lay audience.  Here's my most recent video, showing a logical proof why computers will never be conscious, mind uploading is impossible, and more than one instance of a person's conscious state can't exist at more than one place or time in the universe.