Simulations based on Einstein’s theory of relativity test scenarios that might have preceded the Big Bang, to observe the ...

The evidence for the Big Bang is overwhelming, but we cannot describe what goes on in that event. We can’t accurately call it ...

Scientists are trying to figure out if time travel is even theoretically possible. If it is, it looks like it would take a whole lot more knowledge and resources than humans have now to do it.

Object Details Author Gott, J. Richard Contents Contents -- Acknowledgments -- Preface -- Dreaming of time travel -- Time travel to the future -- Time travel to the past -- Time travel and the ...

The stretching out of time predicted by Einstein's theories of relativity is known to occur on cosmic scales, such as near a black hole or with a speeding galaxy. But now researchers have measured ...