University of Warwick researchers can now explain why some water droplets bounce like a beach ball off surfaces, without ever actually touching them. Now the design and engineering of future droplet technologies can be made more precise and efficient.
When our sun belches out a hot stream of charged particles in Earth's general direction, it doesn't just mess up communications satellites. It might also be scrambling the navigational sense of California gray whales (Eschrichtius robustus), causing them to strand on land, according to a Duke University graduate student. Gray whales were 4.3 times more likely to strand when a lot of radio frequency noise from a solar outburst was hitting the Earth.
Fifteen months after the successful landing of the NASA InSight mission on Mars, first scientific analyses of ETH Zurich researchers and their partners reveal that the planet is seismically active. The recorded data enables a better understanding of the interior of Mars, the primary goal of the InSight mission.
Researchers at the German Research Centre for Geosciences GFZ in Potsdam have developed an algorithm that for the first time can describe a gravitational signal caused by earthquakes with high accuracy. Tests with data from the 2011 earthquake near Fukushima show that the procedure could help to improve earthquake early warning systems in the future.
By measuring iron isotopes, researchers from the University of Copenhagen have shown that our planet originally formed much faster than previously thought. This finding provides new insights on both planetary formation and the likelihood of water and life elsewhere in the universe.
Due to the disappearance of its sunlight-reflecting seasonal snowpack, the Colorado River Basin is losing more water to evaporation than can be replaced by precipitation, researchers report.
Seasonally pumped hydropower storage could provide an affordable way to store renewable energy over the long-term, filling a much needed gap to support the transition to renewable energy, according to a new study from IIASA scientists.
Lattice thermal conductivities of MgSiO3 bridgmanite and postperovskite (PPv) phases under the Earth's deepest mantle conditions were determined by quantum mechanical computer simulations. We found a substantial increase in the conductivity associated with the phase change. This indicates that the PPv phase boundary is the boundary not only of the mineralogy but also the thermal conductivity. The effect of anisotropy on the conductivity of PPv in the heat transport properties at the lowermost mantle was also found to be minor.
An analysis of the so called climate spectrum shows why the ice ages have not behaved precisely as the models predict. A large element of coincidence is involved when an ice age begins or ends, the analysis shows. Peter Ditlevsen from Physic of Ice, Climate and Earth at the Niels Bohr Institute, University of Copenhagen says the results imply we should maybe use a more conservative risk assessment then the one IPCC recommends. The result is now published in Climate Dynamics.
Acquiring a better understanding for how objects drift in the ocean has importance for many uses, but most models lack a systematic approach. One new effort looks to provide a clearer alternative. Researchers have released the results from an experiment aimed at tracking different objects as they drift in the Florida Current. Using satellite data, the group developed a new model for how objects drift. They discuss their work in this week's Physics of Fluids.