Feature Physics Lasing Beyond Light Physicists focus on whole new types of waves, from beams of sound and plasma swells to looking for ripples in spacetime By Lisa Grossman April 23, 2010 at 3:42 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print View a list of some of the world’s leading laser facilities at the bottom of this article. GRAVITY FINDER LISA (shown in this illustration) will consist of three spacecraft that use lasers to look for gravitational waves.