Traditional lenses—like the ones found in eyeglasses—are bulky, heavy and only focus light across a limited number of wavelengths. A new, ultrathin metalens developed by researchers at the University of California, Berkeley, ...
Condensed Matter
Jun 26, 2020
3
980
Manchester Museum recently returned items taken from Australia more than 100 years ago to Aboriginal leaders, the latest move in an ongoing debate over calls to "repatriate" museum artifacts to their countries of origin.
Archaeology
Dec 4, 2019
0
61
Millions of tons of plastic trash are fouling the world's ocean, most of it tiny pieces of microplastic less than a quarter-inch in size. Even the smallest marine animals can ingest these microplastics, potentially threatening ...
Environment
Dec 2, 2019
0
10
In the not-too-distant future, people may have a simple device that monitors and reports health indicators, identifies even trace amounts of undesirable biomarkers in the blood or saliva and serves as an early warning system ...
Optics & Photonics
Apr 2, 2019
0
63
Star Trek's famous holodeck is a virtual reality stage that simulates any object in 3-D as if they were real. However, 3-D holographic projection has never been realized. A team of scientists from Bilkent University, Turkey, ...
Optics & Photonics
Mar 26, 2019
0
33
David Schwarte, an assistive technology specialist on the Innovative Learning Team at Purdue University, knows what it is like to learn in a classroom when challenged with a visual impairment.
Engineering
Mar 6, 2019
0
11
One month before the 2016 U.S. presidential election, an "Access Hollywood" recording of Donald Trump was released in which he was heard lewdly talking about women. The then-candidate and his campaign apologized and dismissed ...
Internet
Feb 20, 2019
0
11
Nature is complex – often too complex for humans to see. But squint-controlled glasses that let people see 3-D thermal images and a camera that can capture the inner workings of high-speed chemical reactions are helping ...
Engineering
Feb 11, 2019
0
10
The Consumer Electronics Show (CES) wrapped-up in Las Vegas last week. The annual event gives enthusiasts a taste of the latest gadgets and devices on the horizon of consumer technology.
Consumer & Gadgets
Jan 14, 2019
0
16
How far have nations come in achieving the U.N.'s sustainable development goals? It can be difficult to make a global assessment of poverty and poor economic conditions, but with an eye in the sky, researchers are able to ...
Social Sciences
Jan 7, 2019
4
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