3 April 2023

April 2023 Issue of Physics Today Is Online & in the Mail

Hua Liu

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 2023 Issue

April 2023 Physics Today cover

Unveiling the Mystery of Solar-coronal Heating
Miniature flares recently discovered by probes that have approached the Sun’s surface are helping physicists understand how the Sun’s corona reaches temperatures of millions of kelvin. — Leonardo Di G. Sigalotti and Fidel Cruz

The Complexities of the Human Placenta
The flow and transport of solute molecules in the intricate structure of the placenta make the organ a fetal life-support system. — Alys Clark, Igor Chernyavsky, and Oliver Jensen

Physicists as Reparations?
In addition to recruiting more well-known rocket scientists, the US government brought from Europe thousands of other scientists who helped to advance numerous research fields during the Cold War. — Johannes-Geert Hagmann

Actin Assembly Is a Physics Problem
Simple mechanical forces may be key to understanding an essential biological process: the formation of cytoskeletal components that give structure to every cell in your body. — Johanna L. Miller

Melting Underneath Thwaites Glacier Is More Complicated Than Expected
A robot exploring beneath the vulnerable Antarctic glacier has found new features that affect its melt rate. — Alex Lopatka

Scientists Drill for Oldest Ice To Reveal Secrets About Earth’s Climate
Nations collaborate — and compete — to access million-plus-year-old ice in Antarctica. — Toni Feder

See the Complete Table of Contents

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