At first glance, a system consisting of 51 ions may appear simple. But even if these charged atoms can only assume two different states, there will be more than two quadrillion (1015) different configurations the system can realize. This requires the use of quantum simulators. The behavior of such a system can therefore hardly be calculated with conventional ...
Researchers have developed a new method to display highly realistic holographic images using ‘holobricks’ that can be stacked together to generate large-scale holograms. The researchers, from the University of Cambridge and Disney Research, developed a ‘holobrick’ proof-of-concept that can tile holograms together to form a large seamless 3D image. 3D displays using ‘holobricks’ This is ...
New research finds that, while the Knights of the Round Table has won global fame, most medieval English chivalric and heroic tales have been lost. Meanwhile, more than three-quarters of medieval stories in Icelandic and Irish survive to the present, in an unusual pattern suggesting that island ‘ecosystems’ helped preserve culture. 90 percent of medieval manuscripts of ...
A new study by University of Maryland astronomers shows that comet Bernardinelli-Bernstein (BB), the largest comet ever discovered, was active long before previously thought, meaning the ice within it is vaporizing and forming an envelope of dust and vapor known as a coma. Only one active comet has been observed farther from the sun, and ...
Planets and their stars form from the same reservoir of nebular material and their chemical compositions should therefore be correlated, but the observed compositions of planets do not match completely those of their central stars. In our Solar System, for example, all the rocky planets and planetesimals contain near-solar proportions of refractory elements (elements like ...
When two substances are brought together, they will eventually settle into a steady state known as thermodynamic equilibrium; in everyday life, we see examples of this when oil floats on top of water and when milk mixes uniformly into coffee. When this thermodynamic equilibrium is disrupted scientists can create such things as square droplets and ...
Spectacular ice age landscapes beneath the North Sea have been discovered using 3D seismic reflection technology. Similar to MRI (magnetic resonance imaging), the images reveal in unprecedented detail huge seafloor channels — each one 10 times wider than the River Thames. For the first time, an international team of scientists can show previously undetectable ice ...
New ways of tackling the threat that space junk debris in our skies poses are being explored by University of Warwick scientists, as they pioneer new research that could help the UK fulfill its ambition to become a responsible spacefaring nation. Scientists at a new Centre for Space Domain Awareness are to focus attention on ...
Ocean deoxygenation from volcanism during the Mesozoic Era was much more rapid than previously thought, with CO2-induced environmental warming creating ocean “dead zones” over timescales of only tens of thousands of years. The research from the University of British Columbia (UBC) and University of Hong Kong (HKU) Earth scientists paints a new picture of severe ...
Over the last two decades, scientists have found ice in many locations on Mars. Most Martian ice has been observed from orbital satellites like NASA’s Mars Reconnaissance Orbiter. But determining the grain size and dust content of the ice from that far above the surface is challenging. And those aspects of the ice are crucial ...
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