The idea is that dark matter particles might be observed interacting with ordinary matter, if the ordinary matter is dense enough. So these experiments use vast tanks filled with liquid xenon, which is denser than solid aluminum, as dark matter detectors. The detectors are located deep underground to shield them from sources of radiation that… Poursuivre la lecture Is Dark Matter Real? Inside the Theories That Leave This Mysterious Phenomenon Out

New theory says force shaping the universe sprang from rapidly condensing particles. Existing and future data from these projects could be used to test Caldwell and Liang’s theory, the researchers say. « The mathematical model of our theory is really beautiful because it’s rather simplistic—you don’t need to build a lot of things into the system… Poursuivre la lecture Physicists are waging a cosmic battle over the nature of dark energy

I spent 11 years on one of those early detectors, which was cutting-edge at the time but small in scale. The things we can see in the universe — planets, stars, vast clouds of gas, and galaxies — make up only about 5 percent of what’s out there, according to physicists. About 6,000 feet underground,… Poursuivre la lecture Dark matter formed when fast particles slowed down and got heavy, new theory says