University of Michigan researchers have developed a laser-based method that could be used to detect chemicals such as explosives and dangerous gases quickly and accurately.
Optics & Photonics
Sep 29, 2017
0
170
Researchers from Finland and Taiwan have discovered how graphene, a single-atom-thin layer of carbon, can be forged into three-dimensional objects by using laser light. A striking illustration was provided when the researchers ...
Nanomaterials
Sep 26, 2017
0
17
Scientists at the Department of Energy's SLAC National Accelerator Laboratory and Stanford University have made the first direct measurements, and by far the most precise ones, of how electrons move in sync with atomic vibrations ...
General Physics
Jul 6, 2017
5
1312
Researchers have developed a microscope that can chemically identify individual micron-sized particles. The new approach could one day be used in airports or other high-security venues as a highly sensitive and low-cost way ...
Optics & Photonics
Jan 5, 2017
0
42
Terahertz spectroscopy, which uses the band of electromagnetic radiation between microwaves and infrared light, is a promising security technology because it can extract the spectroscopic "fingerprints" of a wide range of ...
Optics & Photonics
May 23, 2016
1
1195
Laser-induced breakdown spectroscopy (LIBS) is emerging as a fast, cost-efficient method for identifying the total amount and specific compounds that comprise the inorganic component of biomass. Accurate and reliable analysis ...
Biotechnology
Jan 11, 2016
0
4
Scientists at EPFL show how a light-induced force can amplify the sensitivity and resolution of a technique used to study single molecules.
Nanophysics
Nov 23, 2015
0
35
Atoms absorb and emit light of various wavelengths. Physicists have long known that there are some tiny changes, or shifts, in the light that gets absorbed or emitted, due to the properties of the atomic nucleus.
General Physics
Jul 1, 2015
0
24
A team of researchers from the Max Planck Institute for Nuclear Physics in Heidelberg, the Physikalisch-Technische Bundesanstalt in Braunschweig and the University of Aarhus in Denmark demonstrated for the first time Coulomb ...
General Physics
Mar 12, 2015
0
33
For the first time, an international scientists' team observed the volatile intermediate stages which appear when carbon monoxide oxidises on a hot ruthenium surface, an ordinary catalyst. The scientists, including researchers ...
General Physics
Feb 24, 2015
1
38
