Just as flicking on a flashlight reveals the objects in a dark room, pointing a laser at a cloud of gas can reveal a lot about the atoms and molecules floating in it. Zhili Zhang, a B. Ray Thompson ...
This Saturday, May 16, is the 60th anniversary of the first working laser, achieved by Theodore Maiman at Hughes Labs in 1960. At the time, one of Maiman’s colleagues, Irnee d’Haenens, famously dubbed ...
NASA’s laser retroreflector arrays aboard GPS III satellites enhance positioning accuracy for Earth navigation and scientific measurements by reflecting laser signals back to ground stations.