The arrogance of being thick as a brick

The questions were posed by: http://www.youtube.com/user/SageBodisattva The footage regarding black holes came from a BBC documentary. The only clip that appears still to be available is here: http://www.bbc.co.uk/science/space/universe/sights/black_holes/#p009p115 The Lawrence krauss lecture "A Universe from nothing" can be found here: http://www.youtube.com/watch?v=7ImvlS8PLIo I apologise for referring to "middle earth" rather than "middle world". "A person must have a certain amount of intelligent ignorance to get anywhere." Charles Kettering "A sign of intelligence is an awareness of one's own ignorance." Anon (more links to follow)