(Phys.org)—It would seem that figuring out how many molecules of water are needed to form the smallest, or most basic ice crystal would have been discovered long ago, but that is not the case, because to measure both the ...
(PhysOrg.com) -- After three years of review, a committee representing the governing bodies of both chemistry and physics, has published a paper on Pure and Applied Chemistry, accepting the work of a collaborative team of ...
When massive stars or other stellar objects explode in the Earth's cosmic neighborhood, ejected debris can also reach our solar system. Traces of such events are found on Earth or the moon and can be detected using accelerator ...
Astronomy
Nov 2, 2023
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73
PFAS, a family of highly fluorinated substances, represent a danger for humans and the environment. Particularly problematic members of this family, such as perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA) ...
Polymers
Oct 27, 2023
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39
Some asteroids have measured densities higher than those of any elements known to exist on Earth. This suggests that they are at least partly composed of unknown types of "ultradense" matter that cannot be studied by conventional ...
General Physics
Oct 10, 2023
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2655
Solar flares and coronal mass ejections (CME) are two of the most energetic processes in the solar system, showering the Earth's magnetic field with billions of tons of highly energetic plasma gas, potentially disrupting ...
Astronomy
May 10, 2023
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46
A study led from the University of Turku, Finland, discovered a supernova explosion that expands the understanding of the later life stages of massive stars.
Astronomy
Jan 10, 2023
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163
Trapped for millennia, the tiniest liquid remnants of an ancient inland sea have now been revealed. The surprising discovery of seawater sealed in what is now North America for 390 million years opens up a new avenue for ...
Earth Sciences
Nov 17, 2022
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169
Since the initial discovery of what has become a rapidly growing family of two-dimensional layered materials—called MXenes—in 2011, Drexel University researchers have made steady progress in understanding the complex ...
Nanomaterials
Sep 23, 2022
0
120
Researchers investigating rocks in India have found chemical evidence of a series of rapid fluctuations in climate during the greatest known mass extinction event, around 252 million years ago. Michael Brookfield at the University ...
Earth Sciences
Jul 7, 2022
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73
