Sandia’s one-of-a-kind multiphase shock tube began with a hallway conversation that led to what engineer Justin Wagner describes as the only shock tube in the world that can look at how shock waves interact with dense particle fields.
Geoscientists, particle physicists and engineers will work together to examine the potential of using muons -sub-atomic particles from cosmic rays- which cascade from the upper atmosphere and go on to penetrate rock several kilometres underground. The detection of cosmic ray muons can be used to map the density profile of the material above the detectors and hence measure on-going levels of CO2 in any potential carbon store.
ESA's Planck space telescope has made the first conclusive detection of a bridge of hot gas connecting a pair of galaxy clusters across 10 million light-years of intergalactic space.
Recently, Dr. Ying Jiang, from International Center for Quantum Materials of Peking University, and his co-workers open up the possibility of submolecular control of the bond-selective chemistry in a single functionalized molecule. This work is published in Nature Chemistry [Nature Chem. DOI: 10.1038/NCHEM.1488 (2012)], and the referee thinks highly of the work as an “experimental tour de force”.
The structure of the universe and the laws that govern its growth may be more similar than previously thought to the structure and growth of the human brain and other complex networks, such as the Internet or a social network of trust relationships between people, according to a new paper published in the science journal Nature’s Scientific Reports.
Supercomputer simulations have revealed that a type of oddly dim, exploding star is probably a class of duds—one that could nonetheless throw new light on the mysterious nature of dark energy.
A study using a unique new instrument on the world's largest optical telescope has revealed the likely origins of especially bright supernovae that astronomers use as easy-to-spot "mile markers" to measure the expansion and acceleration of the universe.
Time marches relentlessly forward for you and me; watch a movie in reverse, and you'll quickly see something is amiss. But from the point of view of a single, isolated particle, the passage of time looks the same in either direction. For instance, a movie of two particles scattering off of each other would look just as sensible in reverse – a concept known as time reversal symmetry.
Months of dedication and hard work in science, technology, engineering and mathematics (STEM) paid off tonight for three students named National Finalists in the Siemens Competition in Math, Science & Technology, the nation's premier research competition for high school students.
Physicist Stephon Alexander, the E.E. Just 1907 Professor and director of Dartmouth's E.E. Just Program, has been selected as the 2013 Edward A. Bouchet Award recipient by the American Physical Society (APS).