Sean Carroll: Distant Time and the Hint of a Multiverse
At TEDxCaltech, cosmologist Sean Carroll attacks -- in an entertaining and thought-provoking tour through the nature of time and the universe -- a deceptively simple question: Why does time exist at all? The potential answers point to a surprising view of the nature of the universe, and our place in it.
Other Videos That May Interest You:
BOATLIFT, An Amazing Tale of 9/11 Resilience
As the World Trade Center buildings burned and collapsed on September 11, 2001, a half million people were evacuated from Lower Manhattan by a civilian flotilla of ferries, tug boats and other vessels in what became the largest boatlift in history. BOATLIFT - An Untold Tale of 9/11 Resilience, is a touching tribute to that effort.
Award-Winning Teen-Age Science in Action
In 2011 three young women swept the top prizes of the first Google Science Fair. At TEDxWomen Lauren Hodge, Shree Bose and Naomi Shah described their extraordinary projects - and their route to a passion for science.
Bryan Stevenson: We Need to Talk About an Injustice
In an engaging and personal talk -- with cameo appearances from his grandmother and Rosa Parks -- human rights lawyer Bryan Stevenson shares some hard truths about America's justice system, starting with a massive imbalance along racial lines: a third of the country's black male population has been incarcerated at some point in their lives.
Oh, the Places You'll Go at Burning Man!
Based on Dr. Seuss's final book before his death, this is a story about life's ups and downs, told by the people of Burning Man 2011.
Jok Church: A Circle of Caring
In this 3-minute talk, cartoonist and educator Jok Church tells a moving story of the teacher who cared for him when no one else did -- and how he returned the favor.