MIT Professor Emeritus Rainer Weiss, a renowned experimental physicist and Nobel laureate whose groundbreaking work on the Laser Interferometer Gravitational-Wave Observatory (LIGO) confirmed a longstanding mystery about the nature of the universe, has died at 92.
“Rai held a singular position in science: He was the creator of two fields — measurements of the cosmic microwave background and of gravitational waves. His students have gone on to lead both fields and carried Rai’s rigor and decency to both. He not... [7623 chars]

