June 2019 Issue of Physics Today Is Online & in the Mail
By Hua Liu
Physics Today, the flagship publication of the American Institute of Physics (AIP), 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.
Questions Surround NASA’s Shutdown of an International Cosmic-Ray Instrument
The detector aboard the International Space Station could be turned back on if a new proposal passes peer review. But it’s unclear who might operate it. — David Kramer
— Alexander L. Rudolph
A Metamaterial Solves an Integral Equation
By iteratively processing an optical signal, the structure functions as an analog computer. — Christine Middleton
Spontaneous Generation of Internal Waves
The waves responsible for transporting energy in the ocean and atmosphere are not solely a product of the combined forces of winds, tides, and mountains. — Callum Shakespeare
Obscure Waves in Planetary Atmospheres
On Earth and on other planets, internal gravity waves shape the dynamics and thermodynamics of the atmosphere. — Erdal Yiğit and Alexander S. Medvedev
Putting the Squeeze on Axions
Microwave cavity experiments make a quantum leap in the search for the dark matter of the universe. — Karl van Bibber, Konrad Lehnert, and Aaron Chou
...and much more!