Issues
Physics Update
Reference Frame
Letters
Search and Discovery
Second CERN Group Produces Cold Atoms of Antihydrogen
A new experiment, by CERN’s ATRAP collaboration, introduces a technique for determining the quantum state in which antihydrogen atoms are formed.
Issues and Events
Planetary Astronomers Worry About Future Funding
Will plugging for the Large Synoptic Survey Telescope end up hurting support for ground-based planetary astronomy?
New APS Ethics Guidelines Address Research Misconduct and Professional Responsibilities
Scientific fraud incidents at Lawrence Berkeley National Laboratory and Bell Labs have ended the “innocent thinking” that marked the society’s earlier ethics guidelines.
Early Cosmic-Ray Research in Argentina
The 1950s were a decade of political and economic difficulties in Argentina. Still, university students could carry out a modest research program.
Articles
Mesoscopic Texture in Manganites
From atom-scale stripes to micron-scale patches, manganites exhibit a wealth of fascinating phase-separated behavior.
The Atmospheric Radiation Measurement Program
To predict reliably what increased greenhouse gases will do to global climate, we have to understand the crucial role of clouds.