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
Astronauts Thomas Pesquet of France and Shane Kimbrough of the United States spacewalked outside the International Space Station on Wednesday as they began the painstaking process of installing new solar panels to boost the ...
Space Exploration
Jun 17, 2021
0
2
The team behind NASA's InSight Mars lander has come up with an innovative way to boost the spacecraft's energy at a time when its power levels have been falling. The lander's robotic arm trickled sand near one solar panel, ...
Space Exploration
Jun 3, 2021
12
26
If you have witnessed the rainbow pattern that dances on the surface of a CD or DVD, then you have seen diffraction at work. The disk acts as a diffraction grating, an optical element that disperses light into various colors ...
Optics & Photonics
Jun 2, 2021
0
16
A few days ago, millions of tons of super-heated gas shot off from the surface of the sun and hurtled 90 million miles toward Earth.
Space Exploration
May 24, 2021
25
21377
What if we had the ability to chase down interstellar objects passing through our solar system, like 'Oumuamua or Comet Borisov? Such a spacecraft would need to be ready to go at a moment's notice, with the capacity to increase ...
Space Exploration
May 14, 2021
0
18
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
QUT researchers have used carbon dots, created from human hair waste sourced from a Brisbane barbershop, to create a kind of "armor" to improve the performance of cutting-edge solar technology.
Nanophysics
Apr 8, 2021
1
62
With its belching smokestacks, Bulgaria's Bobov Dol coal plant symbolises the type of industry the EU aims to eliminate—and the hurdles it faces in its green transition.
Environment
Apr 2, 2021
1
9
For the first time, researchers have discovered a way to obtain polarity and photovoltaic behavior from certain nonphotovoltaic, atomically flat (2D) materials. The key lies in the special way in which the materials are arranged. ...
Nanophysics
Apr 1, 2021
0
3312
