Issues
From the Editor
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Search and Discovery
Two-color cavity QED makes its debut
In a tunable, doubly resonant optical cavity, two distinguishable photons can strongly couple to the same atom and thus to each other.
Diamond-defect magnetometry gets ready for the field
A frequency-locking scheme endows the sensors with the necessary robustness to make practical measurements.
Acoustic metasurface creates quiet locations in a room
With its tunable panels, the specially designed surface can sculpt soundscapes on the fly.
Issues and Events
Passive infrasound monitoring is an active area of study
A defense application has spawned a wide range of global research and practical uses.
Will doubling magnetic field strength halve the time to fusion energy?
Magnets built with high-temperature superconductors are at the heart of efforts to demonstrate a burning plasma in a compact device.
Articles
Hot science with cool sensors
The superconducting transition’s exquisite sensitivity to heat underlies a maturing technology for detecting photons.
The legacies of the Royal Institution
The London-based scientific organization has left its mark on everything from electrochemistry and molecular biology to lighthouse design, and it has been a leading innovator in science communication for more than 200 years.
Unraveling the mysteries of megadrought
During the first half of the second millennium, the American West was plagued by a succession of decades-long dry spells. Could it happen again?
Books
New Products
Obituaries
Stephen William Hawking
Norman Julius Zabusky
Quick Study
Champagne acoustics
If you listen carefully to the sound that sparkling wine makes after it is poured, you’ll hear the size distribution of the ringing bubbles.