Condensation trails that airplanes produce mean not only a white-streaked sky on some days, but an increase in the amount of high-level clouds and, by extension, warming temperatures, according to a Penn State researcher.
Earth Sciences
Feb 22, 2013
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In November 1572 a supernova explosion was observed in the direction of the constellation of Cassiopeia, and its most famous observer was Tycho Brahe, one of the founders of modern observational astronomy. The explosion produced ...
Astronomy
Oct 6, 2017
1
9
Tree ring records indicate that in 774-775 CE, atmospheric carbon-14 levels increased substantially. Researchers suggest that a solar proton event may have been the cause. In solar proton events, large numbers of high-energy ...
Earth Sciences
Mar 15, 2013
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As Hurricane Isaac barreled toward New Orleans, a team led by University of Miami (UM) Professor and Deep-C (Deep Sea to Coast Connectivity in the Eastern Gulf of Mexico) Co-Principal Investigator Nick Shay was planning NOAA's ...
Earth Sciences
Sep 17, 2012
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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
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
Han and Leia. George and Amal. Kermit and Miss Piggy. Gomez and Morticia. History's greatest couples rely on communication to make them so strong their power cannot be denied.
Optics & Photonics
Oct 22, 2021
0
120
A University of Saskatchewan-led international research team has discovered that aerosols from relatively small volcanic eruptions can be boosted into the high atmosphere by weather systems such as monsoons, where they can ...
Earth Sciences
Jul 5, 2012
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(Phys.org)—A new "nano machine shop" that shapes nanowires and ultrathin films could represent a future manufacturing method for tiny structures with potentially revolutionary properties.
Nanophysics
Aug 29, 2012
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0
(PhysOrg.com) -- Radioactive dating is used to determine everything from the age of dinosaur fossils to Native American arrowheads. A new technique recently developed at the U.S. Department of Energy's Argonne National Laboratory ...
General Physics
May 12, 2011
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