December 2017 Issue of Physics Today Is Online & in the Mail
Richard Fienberg American Astronomical Society (AAS)
Physics Today, the flagship publication of the American Institute of Physics, is the most influential and closely followed physics magazine in the world. With authoritative features, full news coverage and analysis, and fresh perspectives on technological advances and groundbreaking research, Physics Today informs readers about science and its role in society. Members of the AAS, an AIP Member Society, automatically receive free print and online subscriptions to the magazine. Physics Today Online, the magazine’s internet home, presents an enhanced digital edition and provides a valuable online archive.
Baryon Acoustic Oscillations: A Cosmological Ruler
A density pattern created by acoustic waves in the early universe can be seen in the distribution of galaxies and used as a standard ruler with which to measure cosmological expansion. — Will J. Percival
Boosting Solar Energy Conversion with Nanofluids
Suspensions of metallic nanoparticles can harvest valuable heat from sunlight that would otherwise go to waste in a photovoltaic cell. — Natasha E. Hjerrild & Robert A. Taylor
Discovering Earth’s Radiation Belts
Six decades after the belts’ discovery in 1958, scientists are still finding mysterious features. — Daniel N. Baker & Mikhail I. Panasyuk
...and much more!