Lightsabers could become reality!!!. Source: www.mnn.com/green-tech/research-innovations/sto... phys.org/news/2013-09-scientists-never-before-s.... Lightsabers  Lightsabers could become reality!!! Source: www mnn com/green-tech/research-innovations/sto phys org/news/2013-09-scientists-never-before-s