Fluorescence method detects mercury contamination in fish

Researchers from the University of Burgos (Spain) have developed a fluorescent polymer that lights up in contact with mercury that may be present in fish. High levels of the metal were detected in samples of swordfish and ...

Wideband wavelength conversion using cavity optomechanics

A team of researchers at the NIST Center for Nanoscale Science and Technology (CNST), the University of Maryland, and the California Institute of Technology have demonstrated optical wavelength conversion using interactions ...

Shrinking blob speeds traveling salesman on his way

(Phys.org) —What is the shortest route that a traveling salesman must take to visit a number of specified cities in a tour, stopping at each city once and only once before returning to the starting point? The most accurate ...

New smart e-book system more convenient than paper-based books

Korea Advanced Institute of Science and Technology (KAIST) announced today that its research team headed by Professor Howon Lee from the IT Convergence Research Institute has developed a technology that will make reading ...

Cosmic particle accelerators get things going

(PhysOrg.com) -- ESA's Cluster satellites have discovered that cosmic particle accelerators are more efficient than previously thought. The discovery has revealed the initial stages of acceleration for the first time, a process ...