Authors: George Rajna
In an abandoned gold mine one mile beneath Lead, South Dakota, the cosmos quiets down enough to potentially hear the faint whispers of the universe's most elusive material—dark matter.  The PICO bubble chambers use temperature and sound to tune into dark matter particles.  A detection device designed and built at Yale is narrowing the search for dark matter in the form of axions, a theorized subatomic particle that may make up as much as 80% of the matter in the universe.  The race is on to build the most sensitive U.S.-based experiment designed to directly detect dark matter particles. Department of Energy officials have formally approved a key construction milestone that will propel the project toward its April 2020 goal for completion.  Scientists at the Center for Axion and Precision Physics Research (CAPP), within the Institute for Basic Science (IBS) have optimized some of the characteristics of a magnet to hunt for one possible component of dark matter called axion.  The first sighting of clustered dwarf galaxies bolsters a leading theory about how big galaxies such as our Milky Way are formed, and how dark matter binds them, researchers said Monday.  Scientists from The University of Manchester working on a revolutionary telescope project have harnessed the power of distributed computing from the UK's GridPP collaboration to tackle one of the Universe's biggest mysteries – the nature of dark matter and dark energy.  In the search for the mysterious dark matter, physicists have used elaborate computer calculations to come up with an outline of the particles of this unknown form of matter.  Unlike x-rays that the naked eye can't see but equipment can measure, scientists have yet to detect dark matter after three decades of searching, even with the world's most sensitive instruments.  Scientists have lost their latest round of hide-and-seek with dark matter, but they're not out of the game. 
Comments: 36 Pages.
[v1] 2017-03-10 04:18:44
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