Difference between revisions of "20: Sir Roger Penrose - Plotting the Twist of Einstein’s Legacy"

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== Resources ==
== Resources ==
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[[File:Penrose-Rindler-Clifford-parallels.jpg|thumb|Clifford parallels]]
[[File:Penrose-Rindler-Clifford-parallels.jpg|thumb|Clifford parallels]]
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<div data-timestamp="00:38:00-00:39:00">
<div data-type="resource" data-timestamp="00:38:00-00:39:00">
[[File:Ascending and Descending.jpg|thumb|Ascending and Descending, by M. C. Escher. Lithograph, 1960.]]
[[File:Ascending and Descending.jpg|thumb|Ascending and Descending, by M. C. Escher. Lithograph, 1960.]]
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== Notes ==
== Notes ==
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<div data-type="note" data-timestamp="00:14:00-00:15:00">
There were three versions. The third version is in The Road to Reality. He thinks the second version is probably the best.
There were three versions. The third version is in The Road to Reality. He thinks the second version is probably the best.
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<div data-timestamp="00:38:00-00:39:00">
<div data-type="note" data-timestamp="00:38:00-00:39:00">
MC ESCHER - Ascending and Descending (The Penrose Stairs)
MC ESCHER - Ascending and Descending (The Penrose Stairs)
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