Nonlinear photonic crystals (NPCs) are transparent materials that have a spatially uniform linear susceptibility, yet a periodically modulated quadratic nonlinear susceptibility. These engineered materials are used extensively ...
Optics & Photonics
Dec 2, 2020
0
6
There are many human problems that scientists and engineers have solved by drawing ideas directly from biomechanisms found in other lifeforms, from Velcro to Japan's famous bullet trains, the Shinkansen. Thus, it should not ...
Nanomaterials
Nov 5, 2020
0
48
Neither disinformation nor voter intimidation is anything new. But tools developed by leading tech companies including Twitter, Facebook and Google now allow these tactics to scale up dramatically.
Political science
Nov 3, 2020
2
1
Researchers have developed a tiny new machine that converts laser light into work. These optically powered machines self-assemble and could be used for nanoscale manipulation of tiny cargo for applications such as nanofluidics ...
Optics & Photonics
Oct 8, 2020
0
2876
"All the roads of learning begin in the darkness and go out into the light." This quote is often attributed to Hippocrates and exhibits a double level of relevance in photosynthesis research. The use of light by plant leaves ...
Plants & Animals
Sep 16, 2020
0
3
The first confirmed case of COVID-19 in the USA was on January 20, 2020 in Washington State. Since then, there have been over two million confirmed cases and 113,000 deaths in the country. A shortage of tests has beleaguered ...
Social Sciences
Jun 17, 2020
0
6
Understanding and exploiting the environment of extraterrestrial bodies is a central objective of planetary science. The gas giants, such as Jupiter, Saturn, Uranus and Neptune, are rich in molecular chemistry and remain ...
Materials Science
Jun 12, 2020
0
6
Recently, researchers at Shanghai Institute of Optics and Fine Mechanics of the Chinese Academy of Sciences have proposed a new kind of telescope structure, a Theon-Kepler bifocal telescope, to realize radial-shearing interferometry ...
Optics & Photonics
Jun 10, 2020
0
8
Hokkaido University scientists have fabricated a crystal that autonomously flips back and forth while changing its flipping patterns in response to lighting conditions. Their findings, published in a Chemistry Europe's journal, ...
Materials Science
May 13, 2020
0
40
In the present context of concerning CO2 levels and sustainability issues, the search for efficient and clean alternatives for producing energy continues. Among the most attractive ecofriendly fuels known, hydrogen stands ...
Materials Science
Apr 30, 2020
0
8
