An international team has observed an amazing phenomenon in a nickel oxide material during cooling: Instead of freezing, certain fluctuations actually increase as the temperature drops. Nickel oxide is a model system that ...
Optics & Photonics
Aug 4, 2021
0
532
The final stage of cataclysmic explosions of dying massive stars, called supernovae, could pack an up to six times bigger punch on the surrounding interstellar gas with the help of cosmic rays, according to a new study led ...
Astronomy
Jul 19, 2021
1
1633
A wide variety of portable and wearable electronics have become a large part of our daily lives, so a group of Stanford University researchers wondered if these could be powered by harvesting electricity from the waste heat ...
Nanophysics
Apr 27, 2021
0
23
Researchers from Tokyo Metropolitan University have shown that a quantity known as thermoelectric conductivity is an effective measure for the dimensionality of newly developed thermoelectric nanomaterials. Studying films ...
Nanophysics
Apr 12, 2021
0
257
That carbon nanotubes fluoresce is no longer a surprise. Finding a second level of fluorescence is surprising and potentially useful.
Materials Science
Dec 4, 2020
0
20
By creating conditions akin to the center of the Earth inside a laboratory chamber, researchers have improved the estimate of the age of our planet's solid inner core, putting it at 1 billion to 1.3 billion years old.
Earth Sciences
Aug 21, 2020
0
569
Monolayer graphene, an atomic-layer thick sheet of carbon, has found immense applications in diverse fields including chemical sensors and detecting single molecule adsorption events electronically. Therefore, monitoring ...
Materials Science
Jul 16, 2020
0
237
Cambridge engineers have begun a three-year research program to help speed up the manufacture of metallic 3-D printed parts and products, by using computer-generated holography.
Materials Science
Jul 1, 2020
0
48
A research team from Empa and EPFL has developed a molecular motor which consists of only 16 atoms and rotates reliably in one direction. It could allow energy harvesting at the atomic level. The special feature of the motor ...
General Physics
Jun 16, 2020
1
1789
Metamaterials, which are engineered to have properties not found in nature, have long been developed and studied because of their unique features and exciting applications. However, the physics behind their thermal emission ...
Condensed Matter
May 5, 2020
0
536
