Issues
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Readers’ Forum
Search and Discovery
Charm-quark decays violate charge–parity symmetry
In the quest to understand how particles behave differently from their antiparticles, the LHCb experiment has a promising new result.
Radio emission confirms that a magnetic field spans intergalactic space
The Low Frequency Array telescope detected previously unobserved synchrotron radiation between two merging galaxy clusters.
A big step for nanoporous graphene provides a small step for desalination
Carbon-nanotube reinforcement and template-based etching help scale up membranes.
Teleportation for device-scale quantum computing
Trapped ions interact with help from an entangled pair of messengers.
Issues and Events
Fifth-generation broadband wireless threatens weather forecasting
Radio-frequency interference from upcoming 5G networks may make it more difficult to collect critical water-vapor data.
Germany’s most visited museum struggles to complete renovations
A preeminent museum of inventions reinvents itself to explore the social relevance of scientific and technological progress.
Articles
Physics in the former Yugoslavia: from socialist dreams to capitalist realities
The homeland of Nikola Tesla and Jožef Stefan saw a rise in physics funding after World War II. Now, after the destruction wrought by the Yugoslav Wars of the 1990s, physics in Yugoslavia’s successor states is recovering, albeit unevenly.
Quantum computing with semiconductor spins
Arrays of electrically and magnetically controllable electron-spin qubits can be lithographically fabricated on silicon wafers.
The North American eclipse of 1869
A coast-to-coast eclipse on 7 August 1869 gave US astronomers a chance to make their mark on 19th-century astronomy.
Books
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Obituaries
Burton Richter
Quick Study
Eclipse science today
Observations during total solar eclipses may help unlock the remaining mysteries of the solar corona.
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