Avatar was right: scientists from the European Space Agency have proven that a laser beam can move objects in space without using a drop of fuel, and the discovery paves the way for ships that never need to refuel, satellites that never become junk, and interstellar travel that previously existed only in science fiction.

Avatar was right: scientists from the European Space Agency have proven that a laser beam can move objects in space without using a drop of fuel, and the discovery paves the way for ships that never need to refuel, satellites that never become junk, and interstellar travel that previously existed only in science fiction. – Space