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Brian Greene : Is our universe the only universe?

Is there more than one universe? In this visually rich, action-packed talk, Brian Greene shows how the unanswered questions of physics (starting with a big one: What caused the Big Bang?) have led to the theory that our own universe is just one of many in the “multiverse.”

TED Talks http://www.ted.com/talks

thenewenlightenmentage: New principle may help explain why nature is quantum Like small children, scientists are always asking the question ‘why?’. One question they’ve yet to answer is why nature picked quantum physics, in all its weird glory, as a sensible way to behave. Researchers Corsin Pfister and Stephanie Wehner at the Centre for Quantum Technologies at the National University of Singapore tackle this perennial question in a paper published today in Nature Communications. Continue Reading
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thenewenlightenmentage:

New principle may help explain why nature is quantum

Like small children, scientists are always asking the question ‘why?’. One question they’ve yet to answer is why nature picked quantum physics, in all its weird glory, as a sensible way to behave. Researchers Corsin Pfister and Stephanie Wehner at the Centre for Quantum Technologies at the National University of Singapore tackle this perennial question in a paper published today in Nature Communications.

Continue Reading

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