Cosmic testbed A computer simulation of the black-hole collision that produced the first gravitational wave signal to be detected, GW150914. (Courtesy: Simulating eXtreme Spacetimes (SXS) project/LIGO ...
If the recent discovery of gravitational waves emanating from the early universe holds up under scrutiny, it will illuminate a connection between gravity and quantum mechanics and perhaps, in the ...
Figure 1: Layout of the experiment demonstrating the inelastic ponderomotive scattering of electrons at a high-intensity optical travelling wave in vacuum. The relativistic energy and momentum ...