Quantum dots (QDs) are semiconductor particles only a few nanometers across that, thanks to their small size, exhibit peculiar optical and electronic properties due to quantum mechanics. With existing and foreseen applications ...
Nanomaterials
Jun 25, 2021
0
6
For the first time, the boundary of the heliosphere has been mapped, giving scientists a better understanding of how solar and interstellar winds interact.
Astronomy
Jun 14, 2021
1
7070
The surface of the sun churns with energy and frequently ejects masses of highly-magnetized plasma towards Earth. Sometimes these ejections are strong enough to crash through the magnetosphere—the natural magnetic shield ...
Astronomy
Jun 3, 2021
8
32
High-precision noble gas analyses indicate that solar wind particles from our primordial Sun were encased in the Earth's core over 4.5 billion years ago. Researchers from the Institute of Earth Sciences at Heidelberg University ...
Planetary Sciences
May 14, 2021
2
721
The US Defense Advanced Research Projects Agency (Darpa) has recently commissioned three private companies, Blue Origin, Lockheed Martin and General Atomics, to develop nuclear fission thermal rockets for use in lunar orbit.
Space Exploration
May 10, 2021
296
5550
New research from the University of Kansas published in Earth-Science Reviews offers insight into one of the world's most powerful monsoon systems: the Indian summer monsoon. The study details how the monsoon, of vital social ...
Earth Sciences
Mar 31, 2021
0
6
In order to enable large-scale hydrogen production using solar energy, particulate photocatalysts are being researched as a simple and cost-effective solution to splitting water into hydrogen and oxygen. It is necessary to ...
Materials Science
Mar 30, 2021
0
28
The sun is the most important source of energy for sustaining life on Earth, but it gives us a lot more than just light and heat. It also gives us solar storms.
Astronomy
Mar 29, 2021
0
18
Zipping through space at close to the speed of light, Solar Energetic Particles, or SEPs, are one of the main challenges for the future of human spaceflight. Clouds of these tiny solar projectiles can make it to Earth—a ...
Astronomy
Mar 10, 2021
0
21
The source of potentially hazardous solar particles, released from the Sun at high speed during storms in its outer atmosphere, has been located for the first time by researchers at UCL and George Mason University, Virginia, ...
Space Exploration
Mar 3, 2021
6
11848
