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INI Web Seminars: Penrose, 2005-11-07

Relatively old new theory by now but its nice to see some detail (textbooks of mine at least precede this hypothesis). Also, Penrose > You, so listen! :D

Personally I think this is pure genius. Proper genius, that is, on a par with relativity. Even if he turns out to be wrong, its a genius effort. I've struggled to understand how people can still support cyclic universe theories when it requires us to exist in the only universe that breaks the chain. Physics hinges on not presuming or accepting a privelaged vantage point! But penrose makes the amazing leap of hypothesising that a universe entirely populated by photons is directly equivelent to a singularity (because niether 'experience' spatial dimensions of any sort). Its a bit more complex than that, but the mental leap is fantastically elegant (and just might be crazy enough to be true, so Bohr should be happy :rofl: ))
 
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