Issues
From the Editor
Readers’ Forum
Search and Discovery
Dark-matter detector observes a rare nuclear decay
The result shows that the exquisitely sensitive apparatus’s potential extends beyond the purpose for which it was built.
A raft of soap bubbles remembers its past
Information can be encoded in, and extracted from, the ostensibly random arrangement of a soft glass.
A strain-based antenna paves the way for portable long-range transmitters
The piezoelectric device improves on the efficiency limits of small, conventional metal antennas without sacrificing bandwidth.
Issues and Events
Quo vadis, NASA: The Moon, Mars, or both?
Fifty years after Apollo 11, the US spaceflight program is juggling political and technological factors as it moves toward the red planet, its ultimate destination.
Domestic quarrels cloud future of South Korea’s Institute for Basic Science
The country’s network of curiosity-driven research centers is a scientific and cultural experiment.
Articles
Neutron-rich matter in heaven and on Earth
Despite a length-scale difference of 18 orders of magnitude, the internal structure of neutron stars and the spatial distribution of neutrons in atomic nuclei are profoundly connected.
Designing clusters for heterogeneous catalysis
Subnanometer metal clusters offer catalytic properties not possible on bulk or nanoparticle metals.
The scientific legacy of the Apollo program
This month marks the 50th anniversary of the Apollo 11 Moon landing. Together, the six Apollo landings laid the foundation for modern planetary science.
Books
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Obituaries
Charles Kuen Kao
Quick Study
Self-driving cars find their way in the world
Sensors, sophisticated algorithms, and powerful onboard computing are the essential ingredients.
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