Lack of damage after secondary impacts surprises researchers
When a material is subjected to an extreme load in the form of a shock or blast wave, damage often forms internally through a process called spall fracture.
When a material is subjected to an extreme load in the form of a shock or blast wave, damage often forms internally through a process called spall fracture.
General Physics
Jun 23, 2020
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In a paper recently published by Physical Review Letters, a team of researchers including scientists from Lawrence Livermore National Laboratory (LLNL) detail the first quantitative measurements of the magnetic field structure ...
General Physics
Jun 17, 2020
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327
There are giants among us—gas and ice giants to be specific. They orbit the same star, but their environmental conditions and chemical makeup are wildly different from those of Earth. These enormous planets—Jupiter, Saturn, ...
General Physics
Jun 17, 2020
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44
An international team of astronomers has created the most detailed map yet of the atmosphere of the red supergiant star Antares. The unprecedented sensitivity and resolution of both the Atacama Large Millimeter/submillimeter ...
Astronomy
Jun 16, 2020
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269
When stars explode as supernovas, they produce shock waves in the plasma surrounding them. So powerful are these shock waves, they can act as particle accelerators that blast streams of particles, called cosmic rays, out ...
General Physics
Jun 8, 2020
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683
As the Earth orbits the sun, it plows through a stream of fast-moving particles that can interfere with satellites and global positioning systems. Now, a team of scientists at the U.S. Department of Energy's (DOE) Princeton ...
Plasma Physics
Jun 3, 2020
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135
Type II solar radio bursts are believed to be excited by shock waves. They are often linked to shocks driven by solar eruptive events like coronal mass ejections (CMEs) and solar flares, and are characterized by a slow drift ...
Astronomy
May 26, 2020
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Businesses with strong environmental and social credentials are more resilient in times of economic crisis, according to research into the COVID-19 stock market crash.
Economics & Business
May 21, 2020
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The U.S. is likely to see a near-term 24% drop in employment, 17% percent drop in wages, and 22% drop in economic activity as a result of the COVID-19 crisis according to a new study co-authored by SFI External Professor ...
Economics & Business
Apr 21, 2020
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69
A nova, or stella nova, the Latin word for "new star," is an explosion on the surface of a star that can produce enough energy to increase the star's brightness by millions of times. Sometimes a nova, which occur in stars ...
Astronomy
Apr 13, 2020
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