1 April 2022

Read the April 2022 Issue of Physics Today Now

Susanna Kohler

Susanna Kohler 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 April 2022In the April 2022 Issue

Simulating Four-Dimensional Physics in the Laboratory
Experimental methods to imitate extra spatial dimensions reveal new physical phenomena that emerge in a higher-dimensional world. — Hannah Price

Unveiling Exozodiacal Light
Nulling interferometry draws aside bright stellar glare to probe fine dust in extrasolar systems that may hamper future searches for Earthlike worlds. — Eckhart Spalding, Denis Defrère, and Steve Ertel

A New Search for Magnetic Monopoles
The latest results from CERN’s Large Hadron Collider have established a lower mass limit for the elusive hypothesized particle. — Alex Lopatka

Lawrence Livermore Achieves a Burning Plasma in the Lab
In that regime, fusion reactions are the plasma’s primary source of heating. — R. Mark Wilson

How Did Mars Lose Its Atmosphere and Water?
They were mostly lost to space early in Mars’s history, in processes driven by the Sun’s UV photons and solar wind after Mars lost its magnetic field. — Bruce Jakosky

Ballooning Satellite Populations in Low Earth Orbit Portend Changes for Science and Society
Technological advances and business incentives far outpace space regulations. — Toni Feder

See the Complete Table of Contents

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