X-Rays May Pluck Pairs from Vacuum
According to quantum electrodynamics, a vacuum is never empty but rather is seething with virtual...
Plasma Spectroscopy Monitors Welds
Researchers from Università degli Studie Politecnico di Bari and from Istituto Nazionale per la...
Phase-Shifting Interferometry Measures Surfaces
There are no good vibrations when it comes to precise surface measurements. Mirrors, for instance,...
Holographic Optical Memory Estimate Lower Than Predicted
A new mathematical method of determining the theoretical storage capacity of volume holographic...
Lasers Add Lines to Capillary Electrophoresis
Laser-induced native fluorescence detection in capillary electrophoresis has opened new...
Model Identifies Limits on Filters
Fiber optic cables carrying multiple channels of light rely on a number of precision devices,...
Interferometer Yields Large Gratings
A European research team has demonstrated a low-cost solution to the manufacture of large...
Hybrid Microscopy Images Calcium
By combining two-photon-excitation and third-harmonic-generation microscopy, researchers at Centre...
Straightness of Pipes Gauged Online
A machine vision system that uses a pair of line-structured lasers and two CCD cameras could...
Lithium Lens Focuses X-Rays
With a little extra care, researchers at the University of Michigan in Ann Arbor, Ecopulse Inc. in...
Infrared Spectrometer Filter Is Electrically Tunable
Portable infrared spectrometers enable in situ analysis of compounds in a variety of hazardous...
Dressing Particles Takes Time
Physicists have typically assumed that a free charged particle introduced into a nonequilibrium...
0.1-Hz Detector Could Measure Cosmic Acceleration
We are on the cusp of the gravity-wave revolution in astronomy. Numerous detectors -- powered by...
Bright White Organic LED Developed
Using precisely calibrated thicknesses of bright blue, red and green light-emit-ting layers,...
Spectroscopy Probes Attosecond World
Researchers have probed the microworld with femtosecond spectroscopy, enabling them to investigate...
Liquid Crystal Films Controlled with Viruses
A virus is going around the laboratory of Angela Belcher, a chemist at the University of Texas in...
Digital Camera Tracks Eye Location
Researchers at the Institute of Information Science of Academia Sinica and National Taiwan...
Super-Gaussian Distribution Produced in CO2 Laser
Physicists from Moscow State University and from the adaptive optics group of the Institute on...
Silicon on Sapphire Speeds Chip Communication
The insulating properties of sapphire have been heralded as a boon to smaller, low-power chip...
Near-Field Microscopy Catches Smallest Laser in Action
Using a near-field scanning optical microscope, researchers at the University of California in...
'Slow Light' May Enable Benchtop Black Holes
Ulf Leonhardt of St. Andrews University in St. Andrews, UK, hopes to bring black holes -- or, at...
Coupled-Resonator VCSEL Produces High Output
Researchers from the Sandia National Laboratories' Center for Compound Semiconductor Science and...
Electrostatic Monolayering Produces Controlled Refractive Indices
Researchers from the Universidad Publica de Navarra in Spain and from Virginia Polytechnic...