Earth Sciences
4 hours ago
A clock in the rocks: What cosmic rays tell us about Earth's changing surface and climate
How often do mountains collapse, volcanoes erupt or ice sheets melt?
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Earth Sciences
7 hours ago
In the Jersey suburbs, a search for rocks to help fight climate change
In early spring, George Okoko was perched on a ledge 15 feet up a crumbly cliff, trying to whack off a basketball-size piece of rock with a hammer and chisel. The locale was suburban Berkeley Heights, N.J. The rock was basalt, ...
Earth Sciences
May 1, 2024
Do earthquake hazard maps predict higher shaking than actually occurred? Research finds discrepancy
A new study by Northwestern University researchers and coworkers explains a puzzling problem with maps of future earthquake shaking used to design earthquake-resistant buildings. The research was published May 1 in the journal ...
Astrobiology
Apr 30, 2024
Enceladus spills its guts through strike–slip motion
Over the course of its elliptical orbit, the moon Enceladus is squeezed unevenly by Saturn's gravitational pull and deforms from a spherical shape into a football shape and back again. This cyclic stress causes a phenomenon ...
Environment
Apr 30, 2024
Indonesia's Mount Ruang erupts again, spewing ash and peppering villages with debris
Indonesia's Mount Ruang volcano erupted Tuesday for a second time in two weeks, spewing ash almost 2 kilometers (more than a mile) into the sky, closing an airport and peppering nearby villages with debris.
General Physics
Apr 29, 2024
Laser excitation of Th-229 nucleus: New findings suggest classical quantum physics and nuclear physics can be combined
Physicists have been hoping for this moment for a long time: For many years, scientists all around the world have been searching for a very specific state of thorium atomic nuclei that promises revolutionary technological ...
Optics & Photonics
Apr 25, 2024
Airborne single-photon lidar system achieves high-resolution 3D imaging
Researchers have developed a compact and lightweight single-photon airborne lidar system that can acquire high-resolution 3D images with a low-power laser. This advance could make single-photon lidar practical for air and ...
Earth Sciences
Apr 24, 2024
Quakes do not kill people, bad buildings do
Early on Tuesday (April 23), Taiwan was hit by a series of earthquakes with the highest magnitude at 6.3. The latest tremor came less than three weeks after a magnitude 7.4 quake hit the island, damaging more than 100 buildings ...
Environment
Apr 23, 2024
Taiwan hit by dozens of strong aftershocks from deadly quake
Taiwan was shaken by dozens of earthquakes overnight and into Tuesday that left buildings swaying and some tilting, with the government saying they were aftershocks from a huge deadly quake that hit the island more than two ...
Earth Sciences
Apr 22, 2024
A comprehensive monitoring and evaluation of disaster risk due to linkage of residual coal pillars and rock strata
A large number of coal pillars were left behind during the mining of multi-coal seams. These pillars, when unstable, pose significant risks during both production and well closure stages in coal mines. Their failure can exert ...
