What is time? - Neil deGrasse Tyson

"Time makes us all a prisoner of the present, forever transitioning from our own past into an unknown future." Neil deGrasse Tyson explains the mind bending concept of time. Neil is interviewed by UNSW Science presenter Don Kountouris. Watch more Neil deGrasse Tyson videos -    • Connecting with the Cosmos - Neil deGrasse...   Cylinder Two by Chris Zabriskie is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...) Source: http://chriszabriskie.com/cylinders/ Artist: http://chriszabriskie.com/