Researchers have developed a new technology that uses meta-optical devices to perform thermal imaging. The approach provides richer information about imaged objects, which could broaden the use of thermal imaging in fields ...
Optics & Photonics
Jan 11, 2024
0
43
Five years ago, when University of Arizona materials scientist Jeffrey Pyun presented his first generation of orange-tinted plastic lens to optical scientist Robert Norwood, he responded, "This isn't the '60s. No one wants ...
Materials Science
Oct 29, 2019
0
121
Typically, navigation systems for autonomous cars use visible light to identify foreign objects. This works most of the time. But in misty, foggy, or rainy conditions, self-driving cars become a deer in headlights, largely ...
Optics & Photonics
Nov 7, 2018
0
7
Electrical engineers at Duke University have created the world's first electromagnetic metamaterial made without any metal. The device's ability to absorb electromagnetic energy without heating up has direct applications ...
Optics & Photonics
Jan 27, 2017
8
2010
A double row of fence and tangled concertina wire curves like a Frankenstein stitch across the Kashmir frontier, blocking anything that might try to cross one of the world's most dangerous flashpoints—including, environmentalists ...
Ecology
Feb 23, 2016
0
43
Kenyan wildlife officers launched a secure radio system Wednesday in their battle to protect elephants and rhinos, aiming to outwit poachers who listen in on wardens' communications.
Ecology
Jun 10, 2015
0
68
In a sub-basement deep below the Laboratory for Integrated Science and Engineering at Harvard University, Mikhail Kats gets dressed. Mesh shoe covers, a face mask, a hair net, a pale gray jumpsuit, knee-high fabric boots, ...
Nanophysics
Dec 22, 2014
0
0
Engineers and scientists have been trying to discover the ultimate "cloaking" device – not just as a hat trick to make things invisible—but for its applications in defence technology. Now, a team from the NUS Department ...
General Physics
Mar 11, 2014
0
0
(Phys.org)—High-performance infrared cameras are crucial for civilian and military applications such as night-vision goggles and search-and-rescue operations. Existing cameras usually fall into one of two types: active ...
Optics & Photonics
Jan 16, 2013
1
0
