Black holes are the ultimate Bogeyman. With a well-deserved reputation as monstrous destructive machines, black holes owe their power to huge quantities of mass that warp space and time until the gravitational force they command sucks in everything – even light. No surprise that astrophysicists have long considered gravity the dominant player in shaping the accretion disks of dust and gas surrounding black holes.
Menlo Park, Calif. — Researchers using the Linac Coherent Light Source (LCLS) at the U.S. Department of Energy’s (DOE) SLAC National Accelerator Laboratory have found a way to strip most of the electrons from xenon atoms, creating a “supercharged,” strongly positive state at energies previously thought too low.
Stanford University press release
Chi-Chang Kao, an associate laboratory director at SLAC National Accelerator Laboratory, has been named as the lab's fifth director, Stanford University President John Hennessy announced today.
Kao will succeed Persis S. Drell, who announced her intention to step down from the position late last year. He will formally assume his position as director on Nov. 1, 2012.
The search for dark matter runs deep with physicists Blas Cabrera and Bernard Sadoulet, who have chased this mystery far underground and will be recognized for their work as joint recipients of the 2013 W.K.H. Panofsky Prize in Experimental Particle Physics. The prize is named for SLAC's founding director, Wolfgang "Pief" Panofsky, and awarded by the American Physical Society.
Understanding why proteins interact with certain specific molecules and not with the myriad others in their environment is a major goal of molecular biology. Now, in a series of recent papers, researchers describe how they designed proteins from scratch to have a high affinity and high specificity for targets on flu viruses, and then validated the two best designs using X-ray diffraction data collected at the Stanford Synchrotron Radiation Lightsource (SSRL).
Scientists studying neutrinos have found with the highest degree of sensitivity yet that these mysterious particles behave like other elementary particles at the quantum level. The results shed light on the mass and other properties of the neutrino and prove the effectiveness of a new instrument that will yield even greater discoveries in this area.