Universo osservabile
(Music) On a typical day at school, endless hours are spent learning the answers to questions, but right now, we'll do the opposite. We're going to focus on questions where you...
ANTONIO PADILLA: Imagine you had a universe which was a googolplex meters across, OK, so a big universe. Then, that's very big. And if you actually traveled far enough in that universe, you...
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Everyone loves the idea of parallel universes - maybe it's the appeal of an ideal world where you have second chances and things turn out differently - an alternate reality where you do get...
