Shining a light through opaque materials seems impossible. And yet, researchers at the Debye Institute for Nanomaterials Science (Utrecht University) and the University of Twente have managed to increase the transmission ...
Optics & Photonics
Nov 8, 2016
0
20
Ultrasound is more than sound. Obstetricians use it to peer inside a woman's uterus and observe a growing baby. Surgeons use powerful beams of ultrasound to destroy cancer cells. Researchers fire ultrasound into materials ...
General Physics
Oct 25, 2016
0
33
Earlier this year, the Laser Interferometer Gravitational-Wave Observatory (LIGO) was able to detect a gravity wave wafting through space from two colliding black holes billions of years ago.
Optics & Photonics
Sep 27, 2016
0
138
One of the differences between lasers and desk lamps is that laser light is spatially coherent, meaning the peaks and valleys of the light waves are correlated with each other. The jumbled, uncorrelated waves coming from ...
Optics & Photonics
Sep 16, 2016
49
452
Here's the scene: a suspicious package is found in a public place. The police are called in and clear the area. Forced to work from a distance and unable to peer inside, they fear the worst and decide to detonate the package.
Optics & Photonics
Aug 5, 2016
0
2660
New research, using computer models of wave chaos, has shown that three-dimensional tangled vortex filaments can in fact be knotted in many highly complex ways.
General Physics
Jul 29, 2016
5
31
Researchers recently made the surprising discovery that a special class of materials called "hyperuniform materials" can be both dense and transparent. This work demonstrates a new way to control light and could lead to novel ...
Optics & Photonics
Jul 14, 2016
2
517
Most systems in nature are inherently nonlinear, meaning that their response to any external excitation is not proportional to the strength of the applied stimulus. Nonlinearities are observed, for example, in macroscopic ...
Plasma Physics
Jul 11, 2016
2
64
Astronomers have combined data from NASA's Chandra X-ray Observatory, the Hubble Space Telescope and the National Science Foundation's Karl G. Jansky Very Large Array (VLA) to conclude that a peculiar source of radio waves ...
Astronomy
Jun 28, 2016
16
177
An international team of scientists has developed a relatively simple mathematical explanation for the rogue ocean waves that can develop seemingly out of nowhere to sink ships and overwhelm oil platforms with walls of water ...
General Physics
Jun 21, 2016
4
240
