LIGO Celebrates 5th Anniversary of First Gravitational Wave Detection
(WorldNews Europe)

For those of us on the inside, it still seems like yesterday. I imagine that`s also the case for those few on the inside of the inside; those who knew hours before the rest of us, receiving phone calls and emails in the wee hours of the North-American morning of Monday, September 14, 2015. The rest of us had to wait until we had arrived at the office later that day, or even the next. At first, finding closed doors, hushed conversations, and then finally the rumor emerging from the darkness: LIGO had detected gravitational waves for the very first time. More astonishingly, it occurred right before the official start of the first observing run (`O1`) of LIGO`s new-and-improved `Advanced`...