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Cosmic Alchemy
Episode 3 of 6
Professor Stephen Hawking looks at the search from ancient to modern times for the 'cosmic alchemy' that created all the matter that makes up our world and the Universe.
Last on
Wed 9 Jan 2002
18:30
蜜芽传媒 Knowledge
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Detecting antimatter
Duration: 03:50
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Miniature Big Bangs
Duration: 03:14
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