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Vehicles moving at hypersonic speeds are bombarded with ice crystals and dust particles in the surrounding atmosphere, making the surface material vulnerable to damage such as erosion and sputtering with each tiny collision. ...
General Physics
11 hours ago
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Blood clots have long been implicated in heart attacks and strokes, together accounting for almost half of deaths annually in the United States. While the role of one key protein in the process, called von Willebrand factor, ...
General Physics
13 hours ago
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Coordinated behavior is common in a variety of biological systems, such as insect swarms, fish schools and bacterial colonies. But the way information is spread and decisions are made in such systems is difficult to understand.
General Physics
13 hours ago
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Walking on Caltech's campus, research engineer Chris Roh (MS '13, Ph.D. '17) happened to see a bee stuck in the water of Millikan Pond. Although it was a common-enough sight, it led Roh and his advisor, Mory Gharib (Ph.D. ...
General Physics
Nov 18, 2019
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A scientific team from the Department of Energy's Oak Ridge National Laboratory and Vanderbilt University has made the first experimental observation of a material phase that had been predicted but never seen. The newly discovered ...
General Physics
Nov 18, 2019
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136
To study the swiftness of biology—the protein chemistry behind every life function—scientists need to see molecules changing and interacting in unimaginably rapid time increments—trillionths of a second or shorter.
General Physics
Nov 18, 2019
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222
There is more to foam than meets the eye. Literally. A study by Princeton scientists has shown that a type of foam long studied by scientists is able to block particular wavelengths of light, a coveted property for next-generation ...
General Physics
Nov 18, 2019
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ADMX, with its world-leading sensitivity, has ruled out axions of a certain mass range as dark matter.
General Physics
Nov 18, 2019
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Semiconductors convert energy from photons (light) into an electron current. However, some photons carry too much energy for the material to absorb. These photons produce "hot electrons," and the excess energy of these electrons ...
General Physics
Nov 15, 2019
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307
For the LHCb detector at the Large Hadron Collider, the ongoing second long shutdown (LS2) of CERN's accelerator complex will be a period of metamorphosis. After two successful data-collection runs, the detector is being ...
General Physics
Nov 15, 2019
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Accelerated, charged particle beams do what light does for microscopes: illuminate matter. The more intense the beams, the more easily scientists can examine the object they are looking at. But intensity comes with a cost: ...
General Physics
Nov 15, 2019
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190
Light can be directed in different directions, usually also back the same way. Physicists from the University of Bonn and the University of Cologne have, however, succeeded in creating a new one-way street for light. They ...
General Physics
Nov 14, 2019
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What do you need to make the most intense beam of neutrinos in the world? Just a few magnets and some pencil lead. But not your usual household stuff. After all, this is the world's most intense high-energy neutrino beam, ...
General Physics
Nov 14, 2019
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Walking, talking holograms have been a staple of sci-fi films since Princess Leia was magically brought to life in "Star Wars".
General Physics
Nov 14, 2019
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James Peebles won this year's Nobel prize in physics for helping transform the field of cosmology into a respected science, but if there's one term he hates to hear, it's "Big Bang Theory."
General Physics
Nov 14, 2019
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Could the profound mysteries of antimatter and dark matter be linked? Thinking that they might be, scientists from the international BASE collaboration, led by Stefan Ulmer of the RIKEN Cluster for Pioneering Research, and ...
General Physics
Nov 13, 2019
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432
The Kincade Fire has been burning through Sonoma County, California, displacing people from their homes and leaving destruction in its wake. It is a stark reminder of the increasingly pressing need for a better understanding ...
General Physics
Nov 13, 2019
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224
An international team led by New Zealand food scientists at the Riddet Institute has used neutron scattering techniques to characterize the structure of an oil-in-water emulsion commonly used in foods, such as milk, cream, ...
General Physics
Nov 13, 2019
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Scientists have built simulations to help explain behavior in the real world, including modeling for disease transmission and prevention, autonomous vehicles, climate science, and in the search for the fundamental secrets ...
General Physics
Nov 13, 2019
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A research collaboration between Lawrence Berkeley National Laboratory (Berkeley Lab), Pacific Northwest National Laboratory (PNNL), Brown University, and NVIDIA has achieved exaflop performance on the Summit supercomputer ...
General Physics
Nov 13, 2019
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