Controlling thermal radiation is crucial in various industries and applications. In particular, infrared emissions from the body are important since body temperature can be regulated without the use of external energy sources ...
Materials Science
Aug 25, 2022
1
36
As satellites crawl across the sky, they reflect light from the sun back down to Earth, especially during the first few hours after sunset and the first few hours before sunrise. As more companies launch networks of satellites ...
Space Exploration
Aug 3, 2022
0
149
Bad wireless reception, the noise in the radio signal or poor visibility in the fog—all these annoyances have to do with the fact that waves such as visible light or microwave signals are deflected and reflected by numerous ...
General Physics
Jul 14, 2022
1
374
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
Identifying sources of light plays an important role in the development of many photonic technologies, such as lidar, remote sensing, and microscopy. Traditionally, identifying light sources as diverse as sunlight, laser ...
General Physics
May 5, 2020
0
220
Researchers at Stevens Institute of Technology have created a 3-D imaging system that uses light's quantum properties to create images 40,000 times crisper than current technologies, paving the way for never-before seen LIDAR ...
Quantum Physics
Feb 25, 2020
2
283
Squids, octopuses and cuttlefish are undisputed masters of deception and camouflage. Their extraordinary ability to change color, texture and shape is unrivaled, even by modern technology.
Biochemistry
Nov 15, 2019
3
433
Light can be directed in different directions, usually also back the same way. Physicists from the University of Bonn and the University of Cologne have, however, succeeded in creating a new one-way street for light. They ...
General Physics
Nov 14, 2019
1
13125
ETH researchers have cooled a nanoparticle to a record low temperature, thanks to a sophisticated experimental set-up that uses scattered laser light for cooling. Until now, no one has ever cooled a nanoparticle to such ...
Optics & Photonics
Apr 25, 2019
0
235
This festive NASA Hubble Space Telescope image resembles a holiday wreath made of sparkling lights. The bright southern hemisphere star RS Puppis, at the center of the image, is swaddled in a gossamer cocoon of reflective ...
Astronomy
Dec 21, 2018
0
364
