A total of 137 countries around the world have signed a "net-zero" climate change agreement to end fossil fuel use and achieve zero carbon emissions by 2050. Hydrogen is being touted as the next green energy source because ...
Nanomaterials
Jul 15, 2024
0
9
The climate-driven advance of beavers into the Arctic tundra is likely causing the release of more methane—a greenhouse gas—into the atmosphere.
Earth Sciences
Sep 8, 2023
6
95
In order for future mobility, such as urban air mobility (UAM), to become a reality, it must be fuel efficient and reduce carbon emissions, which requires the development of new materials with excellent physical properties ...
Polymers
Jul 17, 2023
0
1
Lasers find applications across several fields ranging from telecommunications and remote sensing to medicine. There are many ways in which one can generate laser emission, or lasing, from a device or material. Consequently, ...
Optics & Photonics
Jan 3, 2023
0
170
Radiative heat transfer is a ubiquitous physical process in our universe. Any object with a temperature above absolute zero exchanges thermal energy with the environment. In physics, thermal emission originates from electromagnetic ...
Optics & Photonics
Dec 2, 2022
0
19
Physicists from Paderborn University have developed a novel concept for generating individual photons—tiny particles of light that make up electromagnetic radiation—with tailored properties, the controlled manipulation ...
Optics & Photonics
Apr 6, 2022
0
23
When astronomers peer deep into the night sky, they observe what the universe looked like a long time ago. Because the speed of light is finite, studying the most distant observable galaxies allows us to glimpse billions ...
Astronomy
Sep 22, 2021
2
240
Galaxies—massive collections of gas, dust, and billions of stars and their solar systems—are a fundamental component of our Universe. Understanding how they have formed and evolved over cosmic eras remains one of the ...
Astronomy
Aug 24, 2021
0
565
Radio frequency emission are considered incidental system noise in virtually all laptops, smartphones and other electronic devices, but scientists at Disney Research have found a way to use these spurious electromagnetic ...
Engineering
May 4, 2016
5
88
When galaxies collide, the central supermassive black holes that reside at their cores will end up orbiting one another in a binary pair, at least according to current simulations. Einstein's general theory of relativity ...
Astronomy
Jan 26, 2015
2
1297
