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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.

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.

Unless we solve the problem of consciousness, the endeavour remains a dead end.

Edge computing is revolutionizing the way data is processed and analyzed.

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Understanding cloud patterns in our changing climate is essential to making accurate predictions about their impact on society and nature. Scientists at the Institute of Science and Technology Austria (ISTA) and the Max-Planck-Institute for Meteorology published a study in the journal Science Advances that uses a high-resolution global climate model to understand how the clustering of clouds and storms impacts rainfall extremes in the tropics. They show that with rising temperatures, the severity of extreme precipitation events increases.

Extreme rainfall is one of the most damaging natural disasters costing human lives and causing billions in damage. Their frequency has been increasing over the last years due to the warming climate.

For several decades, scientists have been using computer models of the Earth’s climate to better understand the mechanisms behind these events and to predict future trends.

A new technique for electrospinning sponges has allowed scientists from the University of Surrey to directly produce 3D scaffolds—on which skin grafts could be grown from the patient’s own skin.

Electrospinning is a technique that electrifies droplets of liquid to form fibers from plastics. Previously, scientists had only been able to make 2D films. This is the first time anybody has electro-spun a 3D structure directly and on-demand so that it can be produced to scale. The research is published in the journal Nanomaterials.

Chloe Howard, from Surrey’s School of Computer Science and Electronic Engineering, said, After spinning these scaffolds, we grew skin cells on them. Seven days later, they were twice as viable as cells grown on 2D films or mats. They even did better than cells grown on plasma-treated polystyrene—previously, the gold standard. They were very happy cells on our 3D scaffolds.

Physicists from Forschungszentrum Jülich and the Karlsruhe Institute of Technology have uncovered that Josephson tunnel junctions—the fundamental building blocks of superconducting quantum computers—are more complex than previously thought.

Just like overtones in a musical instrument, harmonics are superimposed on the fundamental mode. As a consequence, corrections may lead to quantum bits that are two to seven times more stable. The researchers support their findings with experimental evidence from multiple laboratories across the globe, including the University of Cologne, Ecole Normale Supérieure in Paris, and IBM Quantum in New York.

It all started in 2019, when Dr. Dennis Willsch and Dennis Rieger—two Ph.D. students from FZJ and KIT at the time and joint first authors of a new paper published in Nature Physics —were having a hard time understanding their experiments using the standard model for Josephson tunnel junctions. This model had won Brian Josephson the Nobel Prize in Physics in 1973.

Academia Sinica has achieved a significant milestone in the field of computing with the successful development of a 5-bit superconducting quantum computer in Taiwan, marking a notable advancement in quantum technology. This accomplishment positions Taiwan as a key contributor to quantum computing research and development on the global stage.

In an interview with EE Times, Chii-Dong Chen, the principal investigator of Academia Sinica’s research team, emphasized the pivotal role of international collaboration in advancing Taiwan’s quantum technology research and development agenda.

Under the leadership of Chii-Dong Chen and with support from the National Science and Technology Council, Academia Sinica has demonstrated exceptional proficiency in pushing the boundaries of quantum computing technology. Through partnerships with various international teams, Taiwan has established academic collaborations to facilitate the exchange of knowledge and best practices, as well as provide access to resources, expertise and funding opportunities essential for driving innovation in quantum technology.

Manuela Campanelli to lead research team studying electromagnetic signals from merging supermassive black holes.

Rochester Institute of Technology scientists will be the lead researchers on a $1.8 million NASA grant to study electromagnetic signals from merging supermassive black holes.

RIT’s Manuela Campanelli, Distinguished Professor in the School of Mathematics and Statistics and director of the Center for Computational Relativity and Gravitation, will lead the collaborative project with help from Yosef Zlochower, professor in the School of Mathematics and Statistics. The project will also include researchers from the University of Idaho, Johns Hopkins University, and the Goddard Space Flight Center.