A team of physicists from Caltech, Harvard, Fermilab, MIT and Google present results in the Dec. 1 issue of Nature on a pair of quantum systems that exhibit the behavior of a traversable wormhole.
quantum gravity
Researchers make progress on a vexing problem about how black holes evolve.
Despite a century of effort, scientists have had only cursory success in describing the nature of gravity in the quantum realm. Don Lincoln talks about quantum gravity and the need to make advances in this area.