Negative pressure is a rare and challenging-to-detect phenomenon in physics. Using liquid-filled optical fibers and sound waves, researchers at the Max Planck Institute for the Science of Light (MPL) in Erlangen have now ...
Optics & Photonics
Sep 25, 2023
1
62
Understanding the ionosphere high in the Earth's atmosphere is important due to its effects on communications systems, satellites and crucial chemical features including the ozone layer. New insights into the activity of ...
Planetary Sciences
Aug 3, 2023
1
275
A patch of ocean in the North Atlantic is stubbornly cooling while much of the planet warms. This anomaly—dubbed the "cold blob"—has been linked to changes in ocean circulation, but a new study found changes in large-scale ...
Earth Sciences
Aug 1, 2023
0
92
Jet streams are relatively narrow bands of strong wind in the upper atmosphere, typically occurring around 30,000 feet, and blowing west to east. Their normal flows lead to week-to-week weather variations, modulated in the ...
Earth Sciences
Jul 17, 2023
2
62
It has almost been 20 years since the establishment of the field of two-dimensional (2D) materials with the discovery of unique properties of graphene, a single, atomically thin layer of graphite. The significance of graphene ...
Scientists from Jilin University, the Center for High Pressure Science and Technology Advanced Research, and Skoltech have synthesized lanthanum-cerium polyhydride, a material that promises to facilitate studies of near-room-temperature ...
Superconductivity
May 12, 2023
3
344
An extreme heat wave struck the Pacific Northwest in June 2021. Temperatures soared above 40°C (104°F) across Oregon, Washington, and British Columbia, sometimes even approaching 50°C (122°F). Experts estimate that at ...
Environment
Dec 27, 2022
0
153
Ammonia is obtained industrially using the Haber–Bosch process, which requires a lot of energy and hydrogen gas. A much milder approach has now been reported by a team of researchers in the journal Angewandte Chemie International ...
Analytical Chemistry
Dec 14, 2022
1
438
Dust from the dry Puna Plateau in northwestern Argentina was an important source of iron for the nutrient-deficient South Pacific in the last two glacial cycles—especially at the beginning of these cycles. This was the ...
Earth Sciences
Nov 21, 2022
0
36
Using the European Southern Observatory's Very Large Telescope (ESO's VLT), astronomers have discovered the heaviest element ever found in an exoplanet atmosphere—barium. They were surprised to discover barium at high altitudes ...
Astronomy
Oct 13, 2022
4
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