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Ideas, Inventions And Innovations Study: X-Rays Surrounding ‘Magnificent 7’ May Be Traces of Sought-After Particle Researchers say they may have found proof of theorized axions, and possibly dark matter, around group of neutron stars. An artistic rendering of the XMM-Newton (X-ray Multi-Mirror Mission) space telescope. A study of archival data from the XMM-Newton and the Chandra X-ray space telescopes found evidence of high levels of X-ray emission from the nearby Magnificent Seven neutron stars, which may arise from the hypothetical particles known as axions.  A new study, led by a t...

A new study, led by a theoretical physicist at the U.S. Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab), suggests that

Date Time Excess x-rays from neutron stars could lead to discovery of new particle A team of scientists, including a University of Minnesota researcher, have found that mysterious x-rays detected from nearby neutron stars may be the first evidence of axions, hypothetical particles that many physicists believe make up dark matter. If their theory is confirmed, the researchers’ findings could help physicists unravel several mysteries of the universe. Their paper is published in Physical Review Letters, a peer-reviewed academic journal published by the American Physical Society. There are many...

A new study, led by a theoretical physicist at Berkeley Lab, suggests that never-before-observed particles called axions may be the source of unexplained, high-energy X-ray emissions surrounding a group of neutron stars.

PNNL-led team designs highly active cobalt-based PGM-free catalyst for fuel cells A multi-institutional research team led by materials scientists from Pacific Northwest National Laboratory (PNNL) has designed a highly active and durable catalyst that doesn’t rely on costly platinum group metals (PGM) to spur the necessary chemical reaction. The new catalyst contains cobalt interspersed with nitrogen and carbon. When compared to a similarly structured catalyst made from iron—another promising, well-studied platinum substitute—the team found that the cobalt catalyst achieved a similar rea...