Splitting Time from Space—New Quantum Theory Topples Einstein's Spacetime

In a new quantum theory of gravity proposed by physicist Petr HoYava, the shackles that force time and space to stretch in unison are removed at high energies and short distances. In a paper published in Physical Review Letters in April, he explains that within this regime, space stretches only a third as quickly as time. "The three spatial dimensions effectively mimic just one normal relativistic dimension," he says, making it look as though two dimensions have vanished.