September 2015 Issue of Physics Today Is Online & in the Mail
Richard Fienberg AAS Solar Eclipse Task Force
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.
In the September 2015 Issue
Information: From Maxwell's Demon to Landauer's Eraser
Thought experiments that long puzzled the thermodynamics community are now being performed in the lab—and they're forging a deeper understanding of the second law. — Eric Lutz and Sergio Ciliberto
Lanthanide-Doped Upconversion Nanoparticles
A new class of nanomaterials that convert near-IR radiation into tunable visible light has important implications for many fields of science and technology. — Marco Bettinelli, Luís Carlos, and Xiaogang Liu
Climate Change Impacts: The Growth of Understanding
In this peculiar history, the main actors are committees and no seminal papers or scientific giants emerge. Seat-of-the-pants guesses made in the 1960s proved to be roughly correct, and the details are still being fleshed out today. — Spencer Weart
...and much more!