by Ken Chiacchia | Feb 15, 2023 | Bridges-2, Science Highlights
The two, massive neutron stars merge with a great gravitational clang — but little electromagnetic signal gets out. Scientists had not predicted absence of electromagnetic signal in 2019 detection A collision of two massive neutron stars detected by gravity-wave...
by Ken Chiacchia | Jul 21, 2020 | Press release
Slower and Noisier Aug. 3, 2020 It seems strange to talk about “quiet” versus “noisy” collisions of neutron stars. But many such impacts form a black hole that swallows all but the gravitational evidence. A series of simulations using PSC’s Bridges platform and other...
by Ken Chiacchia | Jul 30, 2018 | Press release
July 12, 2018 Four billion years ago, the incredible energy of a massive black hole at the center of a distant galaxy—a blazar—created a cosmic ray particle. As part of that process, it also formed a high-energy neutrino and a shower of gamma rays. In September, the...
