At the dawn of the 1970s, the idea of a massive scalar boson as the keystone of a unified theoretical model of the weak and electromagnetic interactions had yet to become anchored in a field that was still learning to live with what we now know as the Standard Model of Particle Physics. As the ...
It’s not every day that someone comes across a new state of matter in quantum physics, the scientific field devoted to describing the behavior of atomic and subatomic particles in order to elucidate their properties. However, a new quantum state of matter has been observed for the first time. Yet this is exactly what an ...
A quadruple star system discovered in 2017 and recently observed at the University of Canterbury Mt John Observatory could represent a new channel by which thermonuclear supernova explosions can occur in the Universe, according to results published in Nature Astronomy by an international team of astronomers. The rare double-binary star system HD74438 was discovered in ...
Astronomers have unveiled the first image of the supermassive black hole at the center of our own Milky Way galaxy. This result provides overwhelming evidence that the object is indeed a black hole and yields valuable clues about the workings of such giants, which are thought to reside at the center of most galaxies. The ...
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 ...
Research by Rice University Earth scientists suggests that virtually all of Earth’s life-giving carbon could have come from a collision about 4.4 billion years ago between Earth and an embryonic planet similar to Mercury. In a new study this week in Nature Geoscience, Rice petrologist Rajdeep Dasgupta and colleagues offer a new answer to a long-debated geological question: ...
Combining images taken with the Hubble Space Telescope over more than 20 years, a team of UA researchers has discovered that Eta Carinae, a very massive star system that has puzzled astronomers since it erupted in a supernova-like event in the mid-19th century, has a past that’s much more violent than they thought. The findings ...
Storm tracks — regions where storms travel from west to east across oceans and continents driven by the prevailing jet stream — determine weather and climate in middle-latitude places like Chicago and New York. This is directly impacted by climate change. “Changes in the position of storm tracks in response to anthropogenic climate change depend on how ...
In physics, as in life, it’s always good to look at things from different perspectives. Such is the case with zero-index metamaterials. Since the beginning of quantum physics, how light moves and interacts with the matter around it has mostly been described and understood mathematically through the lens of its energy. In 1900, Max Planck used ...
The high efficiency, light weight, and flexibility of the latest solar cell technology mean photovoltaics could provide all the power needed for an extended mission to Mars, or even a permanent settlement there, according to a new analysis by scientists at the University of California, Berkeley. Most scientists and engineers who’ve thought about the logistics ...
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