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Thinking of causation as a "two-way street"—along which the passage of information can be inverted—could have implications for the origin of life.

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In 2004, Stephen Hawking famously conceded that black holes do not devour all information when they swallow matter—seemingly resolving the "black hole information paradox" that had perplexed physicists for decades. But some argue that the paradox remains open, and we must abandon our simple picture of spacetime to unravel it.

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Is our universe an illusion projected backward in time from the future?


FQXI ARTICLE
May 21, 2013

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Recent Comments


If the structure of the universe were a song it would be on repeat and played in the key of symmetry. If it were an album it would have an infinite number of songs. Here is a list of the first songs off the album.

Track 0: 3

Track 1: 3.1

Track 2: 3.14

Track 3: 3.141

Track 4: 3.1415

Track 5: 3.141592

Track 6: 3.1415926

Track 7: 3.14159265

The album artwork is attached. Please comment so we can discuss what this all means.

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