Issues
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Search and Discovery
Laser spectroscopy: A new way to study pions
By creating exotic atoms containing an ever-broadening range of particles, researchers can extend the tools of atomic physics to new realms.
Cold, supersaturated urban air could be accelerating pollutant particle growth
A new experiment suggests that ammonium nitrate particles nucleate and quickly grow in winter conditions.
Chip-scale sensor detects light’s orbital angular momentum
The photocurrent in an unusual material could facilitate an increase in the information density of optical communications.
Issues and Events
Stuck at home, physicists pivot to combat COVID-19
Consultations with biologists and medical experts bear fruit.
Physics-related companies report mostly mild economic symptoms from COVID-19
Most makers of research tools for physical scientists report stable business. Some of their products are being used in the fight against the novel coronavirus.
Articles
Isaac Newton and the perils of the financial South Sea
Despite Newton’s general brilliance and his expertise in finance, groupthink led him to plunge into the South Sea Bubble and lose much of his fortune.
The physics of lipidic mesophase delivery systems
Effectively releasing drugs in the body depends on the physical and chemical traits of a special class of liquid crystals.
The physics of river prediction
Resource managers use forecasts to ensure future access to abundant water and provide safety from river-related hazards.
Books
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Obituaries
Quick Study
Dust devils on Mars
Whirlwinds, familiar on Earth, can be informative probes of the Martian surface environment.