"Lawrence Krauss gives a talk on our current image of the universe, how it will end, and how it could have come from nowhere.
Krauss is the author of many bestselling books in physics and cosmology, including “The Physics of Star Trek.”
If you’ve ever wanted to answer that nagging question: “How could the universe formed from nothing”, then watch this video.
Lawrence Krauss is fun, informative, and if you see the whole video (which is more than an hour, so you could pause a couple of times), that will blow your mind. Lawrence looks like a cool guy."