Researchers confirm that waters migrating from the surface can take many tens of thousands of years to reach the water table
A team of researchers at Lawrence Livermore National Laboratory in California has confirmed that in drier regions, waters migrating from the surface can take many tens of thousands of years to reach the water table. Since such waters began their underground migration at the time of the last ice age, they hold a scientific and historical record of global climate change. Their results were reported in the inaugural issue of the electronic publication, Vadose Zone Journal www.vadosezonejournal.org, published by the Soil Science Society of America.
These scientists applied one of the largest super computers to study the effect of climate on water movement through this section underneath the surface, called the vadose zone. They used computer simulations to consider how this water chemically interacts with the rocks it migrates through. Because the type and abundance of minerals varies with changes in rock type, they can determine the chemical composition and how fast it changes at any point along the flow path of the water.
Research icebreaker Polarstern begins the Antarctic season
09.11.2018 | Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung
Far fewer lakes below the East Antarctic Ice Sheet than previously believed
08.11.2018 | Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung
Faster and secure data communication: This is the goal of a new joint project involving physicists from the University of Würzburg. The German Federal Ministry of Education and Research funds the project with 14.8 million euro.
In our digital world data security and secure communication are becoming more and more important. Quantum communication is a promising approach to achieve...
On Saturday, 10 November 2018, the research icebreaker Polarstern will leave its homeport of Bremerhaven, bound for Cape Town, South Africa.
When choosing materials to make something, trade-offs need to be made between a host of properties, such as thickness, stiffness and weight. Depending on the application in question, finding just the right balance is the difference between success and failure
Now, a team of Penn Engineers has demonstrated a new material they call "nanocardboard," an ultrathin equivalent of corrugated paper cardboard. A square...
Physicists at ETH Zurich demonstrate how errors that occur during the manipulation of quantum system can be monitored and corrected on the fly
The field of quantum computation has seen tremendous progress in recent years. Bit by bit, quantum devices start to challenge conventional computers, at least...
Scientists developed specially coated nanometer-sized vehicles that can be actively moved through dense tissue like the vitreous of the eye. So far, the transport of nano-vehicles has only been demonstrated in model systems or biological fluids, but not in real tissue. The work was published in the journal Science Advances and constitutes one step further towards nanorobots becoming minimally-invasive tools for precisely delivering medicine to where it is needed.
Researchers of the “Micro, Nano and Molecular Systems” Lab at the Max Planck Institute for Intelligent Systems in Stuttgart, together with an international...
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12.11.2018 | Materials Sciences
12.11.2018 | Physics and Astronomy