In materials science, achromatic optical components can be designed with high transparency and low dispersion. Materials scientists have shown that although metals are highly opaque, densely packed arrays of metallic nanoparticles ...
Tantalizing evidence has been uncovered for a mysterious population of "free-floating" planets, planets that may be alone in deep space, unbound to any host star. The results include four new discoveries that are consistent ...
Astronomy
Jul 6, 2021
3
2035
A team led by scientists at the University of Washington has designed and tested a 3-D-printed metamaterial that can manipulate light with nanoscale precision. As they report in a paper published Oct. 4 in the journal Science ...
Optics & Photonics
Oct 4, 2019
0
795
Lenses appear in all sorts of everyday objects, from prescription eyeglasses to cell-phone cameras. Typically, lenses rely on a curved shape to bend and focus light. But in the tight spaces inside consumer electronics and ...
Optics & Photonics
May 9, 2015
4
1878
Imagine if doctors could perform surgery without ever having to cut through your skin. Or if they could diagnose cancer by seeing tumors inside the body with a procedure that is as simple as an ultrasound. Thanks to a technique ...
Engineering
Jun 26, 2012
1
0
Florida Atlantic University researcher and member of the Center for Ocean Exploration and Deep-Sea Research at Harbor Branch Oceanographic Institute, Dr. Tamara Frank, was part of an international research team that discovered ...
Plants & Animals
Jan 27, 2009
2
0
(PhysOrg.com) -- Distorted cell-phone photos and big, clunky telephoto lenses could be things of the past. UW-Madison Electrical and Computer Engineering Associate Professor Zhenqiang (Jack) Ma and colleagues have developed ...
General Physics
Jan 13, 2009
0
0
Geochemist Alexandra Phillips has sulfur on her mind. The yellow element is a vital macronutrient, and she's trying to understand how it cycles through the environment. Specifically, she's curious about the sulfur cycle in ...
Earth Sciences
Nov 16, 2023
0
119
A new study led by researchers at Brown University offers fresh insights into the forces above and beneath the ocean surface that influence how sea ice moves and disperses in the Arctic Ocean, which is warming at over twice ...
Earth Sciences
Aug 16, 2023
0
40
A team of researchers led by scientists from the U.S. Department of Energy's (DOE) Brookhaven National Laboratory has discovered the mechanisms behind a very effective catalyst for methane dry reforming, a chemical reaction ...
Analytical Chemistry
Dec 13, 2022
0
37
