It’s almost exactly a century since Einstein first predicted the existence of gravitational waves. In the Nature Video (below) we find out what they are, and how scientists are searching for them, in an attempt to prove Einstein right.
If the rumors are true, Caltech and MIT researchers will gather on Thursday to announce the discovery of gravitational waves, ripples in the fabric of spacetime produced by certain kinds of moving masses—such as this pair of black holes, visualized by the NASA Ames Research Center’s Columbia supercomputer. ILLUSTRATION BY NASA
Physicisit Albert Einstein (left) visits California’s Mount Wilson Observatory in January 1931. Einstein’s conception of space, time, and matter have shaped physics and astronomy for the last century. PHOTOGRAPH BY TIME LIFE PICTURES, MANSELL/THE LIFE PICTURE COLLECTION/GETTY IMAGES