Researchers use simulations to tackle finite sphere-packing problem and 'sausage catastrophe'
Have you ever wondered about the best way to pack a finite number of identical spheres into a shape-shifting flexible container, like a convex hull?
Have you ever wondered about the best way to pack a finite number of identical spheres into a shape-shifting flexible container, like a convex hull?
Mathematics
Jan 31, 2024
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61
An enormous tsunami with gigantic waves reaching 20 meters submerged large parts of northern Europe and may have wiped out populations of people in Stone Age Britain, a new University of York study has discovered.
Archaeology
Jan 29, 2024
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104
Since methane was first detected in Mars' atmosphere 20 years ago, scientists have struggled to uncover its origins and how it is transported around the Red Planet. Measurements from atmospheric samples collected by NASA's ...
Planetary Sciences
Jan 27, 2024
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35
Colorful flowers, and the insects and birds that fly among their dazzling displays, are a joy of nature. But how did early relationships between flower color and animal pollinators emerge?
Evolution
Jan 26, 2024
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229
Scientists led by Nanyang Technological University, Singapore (NTU Singapore) have developed and simulated a new energy-efficient way to generate highly focused and finely controlled X-rays that are up to a thousand times ...
Optics & Photonics
Jan 25, 2024
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0
The "ten electron rule" provides guidance for the design of single-atom alloy catalysts for targeted chemical reactions.
Analytical Chemistry
Jan 23, 2024
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389
In Japan, the summer season is characterized by stagnant rain fronts, causing persistent heavy rainfall. This phenomenon is reportedly associated with global-scale atmospheric and oceanic anomalies. Remote influences from ...
Earth Sciences
Jan 17, 2024
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1
A research team that includes Dr. Angus Atkinson of the Plymouth Marine Laboratory and Dr. Axel Rossberg from Queen Mary University of London has discovered a hidden amplifying mechanism within the ocean's food web. Their ...
Ecology
Jan 16, 2024
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15
Feldspar is a ubiquitous mineral and makes up about half of the Earth's crust. In the Earth's atmosphere, feldspars play a surprisingly important role. Fine powder carried by air influences cloud formation. Water molecules ...
Analytical Chemistry
Jan 9, 2024
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46
Cell replication in our bodies is triggered by a cascade of molecular signals transmitted between proteins. Compounds that block these signals when they run amok show potential as cancer drugs.
Molecular & Computational biology
Jan 8, 2024
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4
A computer simulation, a computer model or a computational model is a computer program, or network of computers, that attempts to simulate an abstract model of a particular system. Computer simulations have become a useful part of mathematical modeling of many natural systems in physics (computational physics), chemistry and biology, human systems in economics, psychology, and social science and in the process of engineering new technology, to gain insight into the operation of those systems, or to observe their behavior.
Computer simulations vary from computer programs that run a few minutes, to network-based groups of computers running for hours, to ongoing simulations that run for days. The scale of events being simulated by computer simulations has far exceeded anything possible (or perhaps even imaginable) using the traditional paper-and-pencil mathematical modeling: over 10 years ago, a desert-battle simulation, of one force invading another, involved the modeling of 66,239 tanks, trucks and other vehicles on simulated terrain around Kuwait, using multiple supercomputers in the DoD High Performance Computer Modernization Program; a 1-billion-atom model of material deformation (2002); a 2.64-million-atom model of the complex maker of protein in all organisms, a ribosome, in 2005; and the Blue Brain project at EPFL (Switzerland), began in May 2005, to create the first computer simulation of the entire human brain, right down to the molecular level.
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