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After more than 10 years in orbit, the first Copernicus Sentinel-2 satellite, Sentinel-2A, is still finding new ways to contribute to Earth observation. With its younger siblings, Sentinel-2B and Sentinel-2C, now leading the mission’s core task of delivering high-resolution, ‘camera-like’ images of Earth’s surface, the European Space Agency is pushing Sentinel-2A beyond its original remit.
Chinese researchers have braved the cold and harsh environment of Antarctica in order to get a unique view of star formation in the interstellar medium (ISM). The Chinese National Antarctica and Arctic Research Expedition (CHINARE) has managed to complete a study at Dome A—the highest ice dome on the Antarctic Plateau—and successfully collected submillimeter data to form a better understanding of carbon cycling in the ISM. Their research is published in Science Advances.
Different atoms and ions possess characteristic energy levels. Like a fingerprint, they are unique for each species. Among them, the atomic ion 173Yb+ has attracted growing interest because of its particularly rich energy structure, which is promising for applications in quantum technologies and searches for so-called new physics. On the flip side, the complex structure that makes 173Yb+ interesting has long prevented detailed investigations of this ion.
Researchers at Istituto Italiano di Tecnologia (IIT-Italian Institute of Technology) have developed an innovative microscopy technique capable of improving the observation of living cells. The study, published in Optics Letters, paves the way for a more in-depth analysis of numerous biological processes without the need for contrast agents. The next step will be to enhance this technique using artificial intelligence, opening the door to a new generation of optical microscopy methods capable of combining direct imaging with innovative molecular information.
Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a misunderstanding of work by physicists Albert Einstein and Nathan Rosen.
Quantum computers could rapidly solve complex problems that would take the most powerful classical supercomputers decades to unravel. But they’ll need to be large and stable enough to efficiently perform operations. To meet this challenge, researchers at MIT and elsewhere are developing quantum computers based on ultra-compact photonic chips. These chip-based systems offer a scalable alternative to some existing quantum computers, which rely on bulky optical equipment.
The suspect is believed to have entered a lumber store and fatally shot a man; when two Gainesville PD officers responded to the scene, the suspect shot both of them before being fatally wounded
Radio telescopes are instruments that capture faint radio signals from space and convert them into images of celestial bodies. To observe distant black holes clearly, multiple radio telescopes must capture cosmic signals at exactly the same time, acting as a single unit. Research teams at KAIST have developed a new reference signal technology that uses laser light to precisely synchronize the observation timing and phase of these telescopes.
SpaceX is starting to get the ball rolling on its Florida launch card with its fourth mission of the year coming less than two days since the last launch, setting a record for its Cape Canaveral launch pad.
One of the most vivid portraits of “reborn” black hole activity—likened to the eruption of a “cosmic volcano” spreading almost 1 million light-years across space—has been captured in a gigantic radio galaxy.
Using the James Webb Space Telescope (JWST), an international team of astronomers has discovered a new Type II supernova. The newly detected supernova, named SN Eos, exploded when the universe was only 1 billion years old. The finding was reported January 7 on the arXiv pre-print server.
A recent study carried out by researchers from EHU, the Materials Physics Center, nanoGUNE, and DIPC introduces a novel approach to solar energy conversion and spintronics. The work tackles a long-standing limitation in the bulk photovoltaic effect—the need for non-centrosymmetric crystals—by demonstrating that even perfectly symmetric materials can generate significant photocurrents through engineered surface electronic states. This discovery opens new pathways for designing efficient light-to-electricity conversion systems and ultrafast spintronic devices.
Building large-scale quantum technologies requires reliable ways to connect individual quantum bits (qubits) without destroying their fragile quantum states. In a new theoretical study, published in npj Computational Materials, researchers show that crystal dislocations—line defects long regarded as imperfections—can instead serve as powerful building blocks for quantum interconnects.
Mentions of “officer” in resumes led the AI to misclassify applicants as having prior law enforcement experience, routing some into shortened training, sources said
The incident unfolded after a Venezuelan national fled from federal officers; when an officer ran after him, the man and two other people attacked him
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