Stephen Hawking explains what happened before Big Bang - CNET
Commentary: The physicist tells Neil deGrasse Tyson what came before the Big Bang. Was there anything there? Was there nothing there? Was there even a there there?
from CNET http://ift.tt/2H3i46p
via Mobiles
from CNET http://ift.tt/2H3i46p
via Mobiles
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