When you light up a metal nanoparticle, you get light back. It's often a different color. That's a fact—but the why is up for debate.
Nanomaterials
Jan 28, 2019
0
63
The use of organic light-emitting diodes (OLEDs) has extended to various applications, but their efficiency is still lagging behind inorganic light-emitting diodes. In this research, a KAIST team provided a systematic way ...
Materials Science
Oct 26, 2018
0
28
Engineers at Duke University have developed a way to extract a sequence of images from light scattered through a mostly opaque material—or even off a wall—from one long photographic exposure. The technique has applications ...
Optics & Photonics
Sep 27, 2018
0
72
The inner workings of the human brain have always been a subject of great interest. Unfortunately, it is fairly difficult to view brain structures or intricate tissues due to the fact that the skull is not transparent by ...
Optics & Photonics
Jul 27, 2017
1
147
Traces of biomolecules such as DNA can be detected with a new "dynamic" technique based on the observation of association and dissociation events of gold nanoparticles. If the desired DNA sequence is present, it can reversibly ...
Bio & Medicine
Jul 18, 2017
0
13
With yogurt and crushed glass, University of Michigan researchers have taken a step toward using visible light to image inside the body. Their method for focusing light through these materials is much faster and simpler than ...
Optics & Photonics
Jun 1, 2017
7
29
Engineers at Caltech have created the visual analogue of noise-canceling headphones—a camera system that can obtain images of objects obscured by murky media, such as fog or clouds, by canceling out the glare.
Optics & Photonics
Oct 11, 2016
0
1
In-depth review charts the scientific understanding of rainbows and highlights the many practical applications of this fascinating interaction between light, liquid and gas.
Optics & Photonics
Aug 25, 2016
1
533
A team of physicists that visualized the internal nanostructure of an intact butterfly wing has discovered two physical attributes that make those structures so bright and colorful.
Optics & Photonics
Jun 10, 2016
1
540
A team of researchers from the University of Twente and from Philips in the Netherlands has succeeded in taking an important step in understanding how light is scattered, absorbed and re-emitted in white light emitting diodes ...
General Physics
Feb 26, 2016
0
43
