Brian Greene is here to answer your questions about string theory!

Renowned physicist Brian Greene is here to answer all your questions about theoretical physics, superstring theory, and his new online science education website, World Science U, launching today.

Greene is a professor of physics and mathematics at Columbia University and the co-director of Columbia's Institute for Strings, Cosmology, and Astroparticle Physics, where he specializes in superstring theory, including making the co-discoveries of mirror symmetry and topology change. He's the author of several books including The Elegant Universe, which was a finalist for the Pulitzer Prize, and two bestsellers, The Fabric of the Cosmos and The Hidden Reality.

Greene is also the co-founder of the World Science Festival, and his latest project, World Science U, just launched today with 100,00 people already pre-registered. It offers a variety of digital science courses online, ranging from the quick 1-minute explanation of just what dark matter is to a 10-week course with Greene focusing on special relativity.

He'll be joining us from 10-11:00 A.M. (Pacific time). so start asking him questions now about string theory, the theoretical underpinnings of physics, and the potential of online science education.