1 September 2021

September 2021 Issue of Physics Today Now Available

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.

Physics Today September 2021In the September 2021 Issue

Improving Science Education: It’s Not Rocket Science — It’s Harder!
Scientists can help by partnering with museums, out-of-school programs, schools, organizations that develop instructional materials, or other educational projects. — Stephen M. Pompea and Pedro Russo

The Amazon Is Reaching Its Carbon Tipping Point
The tropical forest can no longer be counted on to help clean up humanity’s environmental mess. — Johanna L. Miller

Computed Tomography Turns 50
Modern high-performance CT scanners are unparalleled among three-dimensional imaging systems in data acquisition speed and spatial resolution. — John M. Boone and Cynthia H. McCollough

Ptychography: A Solution to the Phase Problem
First envisioned for elucidating crystalline structures, the technique is now used for high-resolution lensless imaging, wavefront sensing, and more. — Manuel Guizar-Sicairos and Pierre Thibault

Better Ways to Store Energy Are Needed to Attain Biden’s Carbon-Free Grid
Experts say lithium-ion batteries will be overtaken for grid-scale energy-storage applications by other battery technologies and nonchemical storage. — David Kramer

See the Complete Table of Contents

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