Issues
Readers’ Forum
Search and Discovery
Polariton condensates show their nonequilibrium side
Although similar to ultracold atomic gases, fluids of quasiparticles in a solid have more in common with forest fires.
The behavior of thin curved sheets is ironed out
Two simple geometric rules predict the wrinkle patterns of curved surfaces that are flattened.
Time-reversed laser absorbs nearly all light
A simple design overcomes a substantial limitation on potential applications for coherent perfect absorbers.
Issues and Events
Philanthropy plays a growing role in funding US physical sciences
To buy equipment, build infrastructure, foster collaborations, and more, scientists are benefitting from—and relying on—private money.
Articles
A journey to touch the Sun
The Parker Solar Probe is braving extreme conditions to explore the mysterious solar corona, a region that harbors some of the most difficult-to-understand phenomena in astrophysics.
MemComputing: When memory becomes a computing tool
A physical system that retrieves information from the past and acts on it appropriately can efficiently solve difficult combinatorial-optimization problems.
Paul Langevin, U-boats, and ultrasonics
Created in 1917 to detect German U-boats, Paul Langevin’s piezoelectric quartz transducer remains the foundation of all modern ultrasonic techniques.
Books
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Obituaries
Stephen Howard Davis
Quick Study
Mimicking mussels in the lab
Materials scientists increasingly turn to the sedentary mollusks for inspiration when developing glues that adhere to wet surfaces.