The lightsabers themselves are still a little way off, but at least now there's hope.
Okay, folks, make sure you have some tissues handy because GE engineer Matt Gluesenkamp is about to break a lot of hearts. The laser just turned 50, and that got Gluesenkamp thinking about one of the most iconic representations of the technology: the lightsaber. He analyzes the tech it'd take to make them real. Is it possible? In a word, no.