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): [ Ссылка ]
Part Three (Big Rip): [ Ссылка ]

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This project features scientists from The University of Nottingham
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Sixty Symbols videos by Brady Haran

A run-down of Brady's channels:
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