Yesterday brought the tragic news that the famous 304.80 m radio dish at the Arecibo Observatory in Puerto Rico will have to be demolished after the failure of two support cables. It’s the end of an era, but a good excuse to revisit some of the most important scientific contributions…
Physicists are reporting the results of a test to squeeze the vacuum of spacetime itself in order to better detect gravitational waves from colliding black holes.
A fourth gravitational wave detector, this one in Gifu Prefecture, Japan, will join the global search for cosmic events that cause ripples in spacetime, beginning this December.