Inflation & the Universe in a Grapefruit - Sixty Symbols

In the second "extended interview" with Professor Ed Copeland, he discusses inflation, the Big Bang and when the observable Universe fit inside a grapefruit.

Part One (cosmic strings): http://youtu.be/03vIkZR2hNY
Part Three (Big Rip): https://youtu.be/IJYDcXZMe9c

About text on screen: http://periodicvideos.blogspot.co.uk/2013/12/text.html

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This project features scientists from The University of Nottingham

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