Starting next weekend with Martin Luther King Jr. Day. Is one of your New Year's resolutions to go on a road trip? Or maybe visit a national park you've never heard of? Here's a little bit of incentive:
Christopher Nolan's new film, Interstellar, sees astronauts leaping across galaxies via a 'wormhole'. Could it one day be possible? The universe wasn't designed to make life easy for science-fiction writers.