John Harris - It's an illusion

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Brilliant Brilliant lecture. Sit back and Enjoy.
10:08
John Harris - It's an illusion Part 1/5
By BBC5tv
  • 363K views
10:39
John Harris - It's an illusion Part 2/5
By BBC5tv
  • 141K views
10:58
John Harris - It's an illusion Part 3/5
By BBC5tv
  • 106K views
11:00
John Harris - It's an illusion Part 4/5
By BBC5tv
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10:28
John Harris - It's an illusion Part 5/5
By BBC5tv
  • 89K views