Carnegie Mellon University researchers design systems allowing robots to explore on their own. A research group in Carnegie Mellon University’s Robotics Institute is creating the next generation of explorers — robots. The Autonomous Exploration Research Team has developed a suite of robotic systems and planners enabling robots to explore more quickly, probe the darkest corners of unknown environments, and create more accurate and detailed maps. The systems allow robots to do all this autonomously, finding their way and creating a map without human intervention….

…for safer, cheaper, more powerful batteries. A good battery needs two things: high energy density to power devices, and stability, so it can be safely and reliably recharged thousands of times. For the past three decades, lithium-ion batteries have reigned supreme — proving their performance in smartphones, laptops, and electric vehicles. But battery researchers have begun to approach the limits of lithium-ion. As next-generation long-range vehicles and electric aircraft start to arrive on the market, the search for safer, cheaper,…

Around one third of people with heart disease suffer from sleep problems. In a paper published in the journal Science, a team at the Technical University of Munich (TUM) shows that heart diseases affect the production of the sleep hormone melatonin in the pineal gland. The link between the two organs is a ganglion in the neck region. The study demonstrates a previously unknown role of ganglia and points to possible treatments. The fact that melatonin levels can decrease in…

Rhomboid proteases are a promising target for new drugs. Now researchers from the Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP) have uncovered a mechanism for regulating enzyme activity. The key role is played by dynamics of the gate discovered a few years ago, which opens briefly when other proteins are cleaved. The results, based on various experimental and theoretical methods, have just been published in the Science Advances journal. They are located in the cell membrane and cleave other proteins, triggering a…

Can biosurfactants increase microbiological oil degradation in North Sea seawater? An international research team from the universities of Stuttgart und Tübingen, together with the China West Normal University and the University of Georgia, have been exploring this question and the results have revealed the potential for a more effective and environmentally friendly oil spill response. Oil leaks into the oceans are estimated at approximately 1500 million liters annually worldwide. This leads to globally significant environmental pollution, as oil contains hazardous…

HZDR team advances to next step toward neuromorphic computing. Neuromorphic computers do not calculate using zeros and ones. They instead use physical phenomena to detect patterns in large data streams at blazing fast speed and in an extremely energy-efficient manner. In their project NIMFEIA, Katrin and Helmut Schultheiß along with their team from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) have now taken this technology a tremendous step forward. They also demonstrated that their approach can be seamlessly integrated into conventional chip manufacturing….

Using ultra-high-precision laser spectroscopy on a simple molecule, a group of physicists led by Professor Stephan Schiller Ph.D. from Heinrich Heine University Düsseldorf (HHU) has measured the wave-like vibration of atomic nuclei with an unprecedented level of precision. In the scientific journal Nature Physics, the physicists report that they can thus confirm the wave-like movement of nuclear material more precisely that ever before and that they have found no evidence of any deviation from the established force between atomic nuclei….

… quickly adapts to new environmental conditions. Hospital-acquired infections are often hard to treat because the corresponding pathogens become increasingly resistant against antibiotics. Here, the bacterium Acinetobacter baumannii is particularly feared, and there is great pressure to devise novel therapeutic approaches to combat it. Bioinformaticians from Goethe University Frankfurt and Research Unit FOR2251 of the German Research Foundation have now detected an unexpectedly wide diversity of certain cell appendages in A. baumannii that are associated with pathogenicity. This could lead…

UC San Diego study shows hematopoietic stem cell transplants can protect against memory loss, neuroinflammation and β-amyloid build-up in Alzheimer’s mice. In the ongoing search for a cure for Alzheimer’s disease, a burgeoning branch of medicine is bringing new hope. Stem cell therapies are already being used to treat various cancers and disorders of the blood and immune system. In a new proof-of-concept study, scientists at University of California San Diego show stem cell transplants may also be a promising…

…explores uncharted territory in search of new physics. Scientists working on Fermilab’s Muon g-2 experiment released the world’s most precise measurement yet of the magnetic moment of the muon, bringing particle physics closer to the ultimate showdown between theory and experiment that may uncover new particles or forces. Physicists now have a brand-new measurement of a property of the muon called the anomalous magnetic moment that improves the precision of their previous result by a factor of 2. An international…

Over the past decade, scientists have made tremendous progress in generating quantum phenomena in mechanical systems. What seemed impossible only fifteen years ago has now become a reality, as researchers successfully create quantum states in macroscopic mechanical objects. By coupling these mechanical oscillators to light photons – known as “optomechanical systems”-, scientists have been able to cool them down to their lowest energy level close to the quantum limit, “squeeze them” to reduce their vibrations even further, and entangle them…

Expensive noble metals often play a vital role in illuminating screens or converting solar energy into fuels. Now, chemists at the University of Basel have succeeded in replacing these rare elements with a significantly cheaper metal. In terms of their properties, the new materials are very similar to those used in the past. We’re familiar with chromium from everyday applications such as chromium steel in the kitchen or chrome-plated motorcycles. Soon, however, the element may also be found in the…

New study captures behavior of interacting electrons that give rise to insulating states, addressing a key unsolved puzzle in the field. A Princeton University-led team of scientists has imaged the precise microscopic underpinnings responsible for many quantum phases observed in a material known as magic-angle twisted bilayer graphene (MATBG). This remarkable material, which consists of twisted layers of carbon atoms arranged in a two-dimensional hexagonal pattern, has in recent years been at the forefront of research in physics, especially in…

SARS-CoV-2 viruses manage to hijack human cells with a minimum of their own proteins and use them as incubators for their offspring. One of these multifunctional viral proteins is the nucleocapsid protein (N), which plays a key role in viral replication and packaging. Researchers from Goethe University Frankfurt have now discovered how N recognizes both viral RNA in general as well as specific RNA positions with the help of “fingers”. In the latter, N adapts to the increased temperature of…

Genetic remnants of viruses that are naturally present in the human genome could affect the development of neurodegenerative diseases. Researchers at DZNE come to this conclusion on the basis of studies on cell cultures. They report on this in the journal “Nature Communications”. In their view, such “endogenous retroviruses” could contribute to the spread of aberrant protein aggregates – hallmarks of certain dementias – in the brain. Thus, these viral relicts would be potential targets for therapies. It has been…

Airborne computing platform would improve drone communication. A University of Texas at Arlington researcher is constructing an open-networked airborne computing platform to enable unmanned aerial vehicles (UAVs) to help first responders better coordinate their efforts during emergency or disaster responses. UT Arlington also is developing a universal plug-in hardware unit that can fit into any UAV to allow for this computing platform to be used. The National Science Foundation (NSF) is funding the research through a $1.8 million grant to…

Using ESO’s Very Large Telescope (VLT), astronomers have observed a large dark spot in Neptune’s atmosphere, with an unexpected smaller bright spot adjacent to it. This is the first time a dark spot on the planet has ever been observed with a telescope on Earth. These occasional features in the blue background of Neptune’s atmosphere are a mystery to astronomers, and the new results provide further clues as to their nature and origin. Large spots are common features in the…

Quantum physics has allowed for the creation of sensors far surpassing the precision of classical devices. Now, several studies in Nature show that the precision of these quantum sensors can be significantly improved using entanglement produced by finite-range interactions. Innsbruck researchers led by Christian Roos were able to demonstrate this enhancement using entangled ion-chains with up to 51 particles. Metrological institutions around the world administer our time, using atomic clocks based on the natural oscillations of atoms. These clocks, pivotal…

Electrochemical processes like water electrolysis will become increasingly important in the future in light of climate change and the resultant need for an energy and raw materials transition. The Fraunhofer Institute for Microengineering and Microsystems IMM is collaborating with hte GmbH to develop modular electrochemical cells. These flow cells are used in screening tasks, thereby helping optimize electrochemical production processes, such as water electrolysis. In the context of the energy and raw materials transition, electrochemical processes pose an advantage, as…

New mapping of neurons involved in locomotion. For those fortunate enough to walk normally, wandering is such an expected behavior that we hardly consider that it involves complex, partly involuntary processes. “Animals move to explore their environment in search of food, interaction with others, or simply out of curiosity. But the perception of danger or a painful stimulus can also activate an automatic flight reflex”, Martin Carbo-Tano, a post-doctoral fellow at Paris Brain Institute, explains. In both cases, movement initiation…