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Scientists at the University of California, Riverside are making breakthroughs in understanding how quantum wave functions move across ultra-thin materials—research that could eventually improve solar energy technologies and help lay the groundwork for new forms of quantum computing.
Mathematicians are challenging the idea that dark energy is responsible for the accelerating expansion of the universe. In a new paper published in Proceedings of the Royal Society A, mathematicians from the University of California, Davis, provide mathematical proof that instabilities inherent in the Einstein-Euler equations imply that the current model of the expanding universe is not viable.
The Palm Beach County deputy later requested dismissal of the distracted-driving citation after the woman’s social media post about the ticket drew widespread attention online
In a grandfather clock, a pendulum swings back and forth and this periodic motion is maintained using the energy stored in its suspended weights. This is done with the help of the escapement mechanism, which converts the gravitational energy of the weights into impulses that drive the pendulum, which then moves the clock’s gears, which move its hands.
About a billion years ago, Earth started to come into its own. It was past the awkwardness of its younger years full of growing pains and turmoil: comet strikes and slimy water, including the Great Oxidation Event that flipped the world upside down. Roughly a billion years ago, the planet began to advance and mature, with plant life developing about 700 million years ago, but still with the occasional wild climate parties to keep things interesting.
Honeycombs are famous for their elegant design, but now they may have found a new application: quantum computing. To collect knowledge from subatomic particles, quantum computers require carefully designed materials capable of performing necessary, complex functions. However, the metals used, such as ruthenium and iridium, are often rare and expensive, limiting the potential to build new technology.
A Mt. Shasta PD officer was assisting a Weed PD officer with a drug search; when they went to confront a traffic stop suspect in the cruiser’s passenger seat, he pointed a gun at them
On the moon, the lack of atmosphere and accompanying features such as biological activity, oxygen-rich air, flowing water and rain, wind, and most erosion allows the lunar regolith to preserve a long-term record of surface processes in the space environment.
Get set for a rare blue micromoon this weekend—a blue moon that’s also the most distant and smallest-looking full moon of the year.
Researchers in Spain have discovered that in collectives of moving fire ants, rippling “waves” of density and activity are likely triggered by local regions where ants collectively travel in the same direction as their neighbors.
Quantum mechanics is a physics framework that describes how matter and energy behave at an extremely small scale, specifically at the scale of atoms and subatomic particles. An effect predicted by the laws of quantum mechanics is superposition, which entails that particles can exist in multiple states or positions simultaneously, which remain indefinite until they are measured or observed.
A team of astronomers, led by University of Warwick in collaboration with researchers at MIT and McMaster, have developed a novel method to use the properties of dust rings around stars to estimate the masses of newborn planets. Published in The Astrophysical Journal, this research offers astronomers a new way to find and characterize planets that are too deeply embedded in their birth environment to be seen directly.
SpaceX Starship launches are on hold pending an investigation into last week’s test flight.
Our sun is a loner. It lacks a stellar companion hurtling through interstellar space with it. But we’ve known for a long time that that’s actually relatively rare—most stars have at least one gravitationally bound partner. Understanding how exactly those stars are related to each other is critical for observational campaigns—especially for those of exoplanets. So a new paper posted to the arXiv preprint server from researchers at the University of Madrid that categorizes almost every star within 10 light years into companion categories is a welcome addition to the literature on the subject, and could be used to inform the next round of planet-habitable planet-hunting satellites.
Internal changes due to the sun’s “active biorhythm” have become increasingly “skin-deep” over the past four solar activity cycles, according to a new study.
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