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Researchers at Mainz University have been able to visualize the third class of magnetism, called altermagnetism, in action.

Ferromagnetism and antiferromagnetism have long been known to scientists as two classes of magnetic order of materials. Back in 2019, researchers at Johannes Gutenberg University Mainz (JGU) postulated a third class of magnetism, called altermagnetism. This altermagnetism has been the subject of heated debate among experts ever since, with some expressing doubts about its existence.

Recently, a team of experimental researchers led by Professor Hans-Joachim Elmers at JGU was able to measure for the first time at DESY (Deutsches Elektronen-Synchrotron) an effect that is considered to be a signature of altermagnetism, thus providing evidence for the existence of this third type of magnetism. The research results were published in Science Advances.

Researchers develop a computer from an array of VCSELs with optical feedback.

In our data-driven era, solving complex problems efficiently is crucial. However, traditional computers often struggle with this task when dealing with a large number of interacting variables, leading to inefficiencies such as the von Neumann bottleneck. A new type of collective state computing has emerged to address this issue by mapping these optimization problems onto something called the Ising problem in magnetism.

Understanding the Ising Problem.

MIT ’s ultrasound sticker enables continuous monitoring of organ stiffness, revolutionizing the early detection of diseases such as liver and kidney failure.

MIT engineers have developed a small ultrasound sticker that can monitor the stiffness of organs deep inside the body. The sticker, about the size of a postage stamp, can be worn on the skin and is designed to pick up on signs of disease, such as liver and kidney failure and the progression of solid tumors.

In an open-access study published recently in Science Advances, the team reports that the sensor can send sound waves through the skin and into the body, where the waves reflect off internal organs and back out to the sticker. The pattern of the reflected waves can be read as a signature of organ rigidity, which the sticker can measure and track.

Measuring the precise quantity of rainfall in a particular area is straightforward when there is equipment specifically designed to accurately capture and relay precipitation data. However, quantifying and identifying the types of precipitation across all locations on Earth presents significant logistical challenges.

Importantly, this information could provide a wealth of data for characterizing and predicting Earth’s water, energy, and biogeochemical cycles. Researchers from China recently deployed a satellite, FengYun 3G (FY-3G), that is successfully collecting Earth precipitation data from space.

Scientists achieve breakthrough in quantum optics with photon detector-based method, paving the way for improved quantum computing.

Scientists at Paderborn University have used a new method to determine the characteristics of optical, i.e. light-based, quantum states. For the first time, they are using certain photon detectors — devices that can detect individual light particles — for so-called homodyne detection. The ability to characterize optical quantum states makes the method an essential tool for quantum information processing. Precise knowledge of the characteristics is important for use in quantum computers, for example. The results have now been published in the specialist journal Optica Quantum.

Advancements in Homodyne Detection.

China ruled on a case of infringement of copyright by an AI-generated service, the first effective ruling of its kind globally, which provided a judicial answer to the dilemma of whether the content generated by AI service providers infringes on copyright, media reported on Monday.

According to the 21st Century Business Herald, the Guangzhou Internet Court ruled that the an AI company had infringed the plaintiff’s copyright and adaptation rights to the Ultraman works in the process of providing generative AI services, and should bear relevant civil liability.

The protagonist of this case was the super IP Ultraman. In this case, the copyright owner of the “Ultraman” works exclusively authorized the copyright of the series images to the plaintiff, while the defendant company operated a website, providing services with AI conversation and AI-generated painting functions.

Scientists used “knowledge distillation” to condense Stable Diffusion XL into a much leaner, more efficient AI image generation model that can run on low-cost hardware.

Buick is in the middle of “an evolution” as it introduces a new design based on the Wildcat EV concept. The company revealed a new tagline and brand campaign, “Exceptional by design,” showcased by a sleek gold Wildcat EV model.

Although Buick has yet to launch its first EV in the US, the automaker is prepping for its next era. The revamp started with an updated tri-shield in June 2022, unveiling the stunning Wildcat EV concept.

Continue reading “Buick unveils new design and branding with a sleek gold Wildcat EV” »

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