April 2020 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 April 2020 Issue
Hubble’s 30-Year Legacy
A data visualization charts the positions in the sky of the Hubble Space Telescope’s plethora of cosmic targets. — Nadieh Bremer & Andrew Grant
** Note: To celebrate Hubble's 30th anniversary, the AAS and Sky & Telescope co-sponsored the special gatefold chart pictured above along with supplemental digital content on Physics Today's website. **
Particle Beams Behind Physics Discoveries
Advances in accelerator technology are enabling discoveries in particle physics and other fields. — Vladimir Shiltsev
Between Complacency and Panic
How the rhetoric of moderation has shaped the US government’s approach to risk, from nuclear fear to climate policy. — Gabriel Henderson
Barbs of a Feather Lock Together
When a bird extends its wings in flight, microscopic fasteners stick to each other to prevent gaps between the feathers and improve the bird’s macroscopic maneuverability. — Alex Lopatka
Opening a New University Offers Opportunities to Try New Approaches and Reach New Populations
Brand recognition, funding, and language barriers are common challenges. — Toni Feder
Breaking the Glass Ceiling of 20th-Century Astronomy
A review of Donovan Moore’s What Stars Are Made Of: The Life of Cecilia Payne-Gaposchkin. — David Weintraub
The Speedy Secret of Shark Skin
The outward flaring of a shark’s scales removes drag-producing eddies that otherwise form in the animal’s wake. — Amy Lang