Oxygen is essential for the development of higher life. However, it was hardly present in the oceans of the young Earth. It was not until the evolution of photosynthetic bacteria that the oceans saw a significant increase ...
Earth Sciences
May 6, 2021
0
26
The inside of future nuclear fusion energy reactors will be among the harshest environments ever produced on Earth. What's strong enough to protect the inside of a fusion reactor from plasma-produced heat fluxes akin to space ...
General Physics
Aug 28, 2020
13
992
Boasting the highest melting and boiling points of all known elements, tungsten has become a popular choice for applications involving extreme temperatures, including lightbulb filaments, arc welding, radiation shielding ...
Materials Science
Aug 21, 2020
0
350
In physics, they are currently the subject of intensive research; in electronics, they could enable completely new functions. So-called topological materials are characterized by special electronic properties, which are also ...
General Physics
Jul 7, 2020
0
67
Atomically thin layers of the semimetal tungsten ditelluride conduct electricity losslessly along narrow, one-dimensional channels at the crystal edges. The material is therefore a second-order topological insulator. By obtaining ...
Nanophysics
May 26, 2020
0
27
Scientists at the University of Groningen used a silver sawtooth nanoslit array to produce valley-coherent photoluminescence in two-dimensional tungsten disulfide flakes at room temperature. Until now, this could only be ...
Optics & Photonics
Feb 7, 2020
0
138
Researchers at TU Delft have discovered a method to stretch and compress quantum materials using hydrogen gas. They demonstrated this effect using a tiny string of a material called tungsten trioxide, which acts as a sponge ...
Nanophysics
Nov 18, 2019
0
102
We've known for decades that catalysts speed up the reaction that reduces harmful industrial emissions. And now, we know exactly how they do it.
Materials Science
Oct 24, 2019
0
195
In order to make transistors that operate using the spin of electrons rather than their charge, it is necessary to find a way of switching spin currents on and off. Furthermore, the lifetime of the spins should at least be ...
Nanophysics
Oct 17, 2019
0
55
When a current is applied to a thin layer of tungsten diselenide, it begins to glow in a highly unusual fashion. In addition to ordinary light, which other semiconductor materials can emit, tungsten diselenide also produces ...
Quantum Physics
Oct 16, 2019
0
105
