Black hole behavior suggests Dr. Who's 'bigger on the inside' Tardis trick is theoretically possible

Do black holes, like dying old soldiers, simply fade away? Do they pop like hyperdimensional balloons? Maybe they do, or maybe they pass through a cosmic rubicon, effectively reversing their natures and becoming inverse anomalies that cannot be entered through their event horizons but which continuously expel energy and matter back into the universe. In his latest book, White Holes, physicist and philosopher Carlo Rovelli focuses his attention and considerable expertise on the mysterious space p...