(PhysOrg.com) -- Scientists have known for generations that hot water can sometimes freeze faster than cold, an effect known as the Mpemba effect, but until now have not understood why. Several theories have been proposed, ...
(PhysOrg.com) -- In an effort to make graphene more useful in electronics applications, Kansas State University engineers made a golden discovery -- gold "snowflakes" on graphene.
Nanomaterials
Oct 12, 2009
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(PhysOrg.com) -- The veil is being lifted from the once unseen world of molecular activity. Not so long ago only the final products were visible and scientists were forced to gauge the processes behind those products by ensemble ...
Nanophysics
Aug 7, 2009
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From abstract-looking cloud formations to roars of snow machines on ski slopes, the transformation of liquid water into solid ice touches many facets of life. Water's freezing point is generally accepted to be 32 degrees ...
Analytical Chemistry
Mar 20, 2024
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112
While there are several sources of ice forming particles in the atmosphere, sea spray aerosols (SSAs) are recognized as a significant source of ice-nucleating particles (INPs). But what comprises SSAs, how they affect cloud ...
Earth Sciences
Nov 2, 2022
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37
At the interface between chemistry and physics, the process of crystallization is omnipresent in nature and industry. It is the basis for the formation of snowflakes but also of certain active ingredients used in pharmacology. ...
Materials Science
Apr 21, 2022
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171
Ice is omnipresent and profoundly impacts our daily life, influencing areas such as climate change, transportation, and energy consumption. Understanding the process of ice formation can decelerate the rate at which glaciers ...
Materials Science
Aug 17, 2021
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188
Scientists at St. Jude Children's Research Hospital are studying liquid-liquid phase separation (LLPS), a biophysical process through which proteins and nucleic acids in a cell are compartmentalized without a membrane. The ...
Biochemistry
Jul 26, 2021
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240
Uranium contamination of soils and groundwater in the United States represents a significant health risk and will require multiple remediation approaches.
Earth Sciences
May 6, 2021
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73
When we grow crystals, atoms first group together into small clusters—a process called nucleation. But understanding exactly how such atomic ordering emerges from the chaos of randomly moving atoms has long eluded scientists.
Condensed Matter
Mar 25, 2021
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