November 2021 Issue of Physics Today Now Available
Hua Liu American Astronomical Society (AAS)
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.
In the November 2021 Issue
Illuminating the Darkest Galaxies
The behavior of extremely dim galaxies provides stringent constraints on the nature of dark matter. Establishing those constraints depends on precise stellar-motion measurements. — Josh Simon & Marla Geha
A Cryogenic Circuit Cools from Afar
A cloud of ultracold ions can lower the temperature of a trapped proton 9 cm away. — Johanna L. Miller
How Does the Wind Generate Waves?
Although the question is a classical problem, the details of how wind transfers energy to waves at the ocean surface remain elusive. — Nick Pizzo, Luc Deike, and Alex Ayet
The Demons Haunting Thermodynamics
The contradictory implications of statistical mechanics have worried physicists and philosophers for centuries. Does our present-day knowledge allow us to exorcize those philosophical demons? — Katie Robertson
A Sprinkling of Scientists Prioritizes Behaviors to Counter Climate Change
Can steps like less travel and more talk advance science and serve as an example to the public? — Toni Feder