The Subtle Science of Emptiness

World Science Festival 2009: Nothing: The Subtle Science of Emptiness, Part 1 of 5 from World Science Festival on Vimeo.
Parts 2, 3, 4, and 5.

"Why is there something rather than nothing? And what does ‘nothing’ really mean? More than a philosophical musing, understanding nothing may be the key to unlocking deep mysteries of the universe, from dark energy to why particles have mass. Journalist John Hockenberry hosts Nobel laureate Frank Wilczek, esteemed cosmologist John Barrow, and leading physicists Paul Davies and George Ellis as they explore physics, philosophy and the nothing they share."