How does gravity work? Surprisingly the answer is not fully understood yet! Newtons work on gravity, for a long time was held as gospel ... until Einstein started to ask questions that no one could answer! Einstein spent ten long years developing his _**general theory of relativity**_. But Einstein died knowing he had failed to fully describe the true nature of gravity, space and time with his equations. 
        Extra dimensions of space... the idea that we are immersed in hyperspace, may be key to explaining the fundamental nature of the universe. Relativity introduced time as the fourth dimension, and Einstein’s subsequent work envisioned more dimensions still, but ultimately hit a dead end. Modern research has advanced the subject in ways he couldn’t have imagined. John Hockenberry joins Brian Greene, Lawrence Krauss, and other leading thinkers on a visual tour through wondrous spatial realms that may lie beyond the ones we experience.

Moderator: John Hockenberry
Also including: Escher String Quartet, Brian Greene, Lawrence Krauss, Linda Dalrymple Henderson, Shamit Kachru


<iframe width="560" height="315" src="https://www.youtube.com/embed/h9MS9i-CdfY" frameborder="0" gesture="media" allow="encrypted-media" allowfullscreen></iframe>


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