The year 2050 is what the year 2000 was to futuristic thinkers like Walt Disney and Arthur C. Clarke. It's the new year that everything will change: robots will outperform us on the field of play, computers will outwit us in matters of reason, and nerds will never be lonely again. It's also the year that 100 percent green energy will be possible according to a bunch of neo-maxi zoomdweebies from Stanford and the University of California-