Issues
Search and Discovery
CERN Experiment Finds Evidence for More Pentaquark States
The new spectroscopy of exotic hadrons, promised by last year’s discovery of the first baryon that defies description by three quarks, appears to be thriving.
New Experiments Set the Scale for the Onset of Turbulence in Pipe Flow
Measurements of the stability of laminar flow bring us closer to answering one of the biggest outstanding questions in fluid mechanics.
Sea-Level Rise Exacerbates Coastal Erosion
A recent analysis of more than a century’s worth of data forebodes severe losses of coastal land.
Physics Update
Reference Frame
What’s Wrong With This Quantum World?
Letters
Hooke and Newton: ‘Divining’ planetary motions
Science miseducation in a private universe
SQUIDs remain best tools for measuring brain’s magnetic field
US research and engineering jobs are moving overseas
Corrections
Issues and Events
Muons May Unlock Secrets of Teotihuacan
If tombs are discovered in the Pyramid of the Sun, they could shed light on the governing style in the ancient city of Teotihuacan, Mexico.
News Notes
Civilian R&D Sees Only Modest Increases as FY 2004 Funding Flows to Defense, Homeland Security
Doubling the NSF budget in five years remains just a hope. Efforts by the science community to boost funding for the US Department of Energy’s Office of Science generated enthusiasm, but little money.
Articles
Ferroelectrets: Soft Electroactive Foams for Transducers
After certain cellular polymers are internally charged, they behave like soft and sensitive piezoelectrics that can be used to interconvert acoustical or mechanical signals and electrical signals.
Lattice Quantum Chromodynamics Comes of Age
Quantum chromodynamics is the elegant but notoriously intractable theory of the strong interactions. Recent advances in numerical computer simulation are beginning to reveal, in impressive detail, what the theory predicts.
Family Lines Sketched in the Portrait of Lev Landau
Arguably the greatest Soviet theoretical physicist of the 20th century, Landau is intimately seen through the eyes of his loving niece in these excerpts from her memoir.
Books
New Products
Focus on Test and Measurement
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