Star Wars VII: The Force Awakens hits movie screens this week with its intense plot, edge-of-your-seat action scenes and, of course, lots of lightsabers. But is it actually possible to create a real-life lightsaber or build a functioning Death Star laser? To answer these questions and more, Reactions explores the science behind the Star Wars franchise. rder Reactions infographics here: https://www.store.acs.org/eweb/ACSTem...