3 posts tagged with "physics"
Where is Everybody?
There are perhaps 400 billion stars in our Galaxy alone, and perhaps 400 billion galaxies in the Universe, it stands to reason that somewhere out there, in the 14-billion-year-old cosmos, there is or once was a civilization at least as advanced as our own.
A Universe from Nothing
Where did the universe come from? What was there before it? What will the future bring? And finally, why is there something rather than nothing?
A Brief History Of Time
Stephen Hawking tells the exotic realms of black holes and quarks, of antimatter, 'arrows of time', and of the big bang.