White holes may be the time-reversed opposite of black holes – if they exist MARK GARLICK/SCIENCE PHOTO LIBRARY
White Holes
Carlo Rovelli (Allen Lane)
WHAT happens if you fall into a black hole?
It is one of the most intriguing and complex questions ever conceived. Black holes are places where, at their heart, general relativity breaks down. They are objects that even Albert Einstein thought wouldn’t exist in the universe. Yet we know that they do: in the past few years, we have even captured images of them.
I imagine that, like many of us, theoretical…
