Bbc
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A Hole in Your Hand - Horizon Preview - BBC Two
Posted
October 20, 2009
Views
1,774
Likes
18
Comments
7
Engagement
1.41%
October 20, 2009
1,774
18
7
1.41%
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Professor Marcus du Sautoy has his mind messed with by consciousness guru Cristoph Koch. On a mountain in sunny California, Christoph has a visual illusion up his sleeve - and it's one that you can try at home, too.
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