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For the first time, researchers in China have demonstrated how quantum dots can be engineered to consistently generate pairs of entangled photons. By carefully tailoring the photonic environment surrounding a single quantum dot, the team showed that it is possible to produce highly correlated photon pairs with remarkable efficiency, potentially opening new opportunities for emerging quantum technologies. The work, led by Zhiliang Yuan at the Beijing Academy of Quantum Information Sciences, is reported in Nature Materials.
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Video from the scene shows the man, who was holding a knife in each hand, advancing toward Buffalo Police officers, prompting the fatal shooting
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Nuclear isomers are crucial probes for studying the structure of nuclei. Unlike chemical isomers—which have the same chemical formula but different arrangements of atoms—nuclear isomers are nuclei that exist in a long-lived and relatively stable excited state.
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The shooter, who shouted “Allahu Akbar” before opening fire at Old Dominion University had previously spent eight years in prison for attempting to aid the Islamic State
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Researchers at University of Tsukuba have developed a noncontact vibration measurement method using an event camera, a sensing technology inspired by biological vision. By applying geometric analysis to event-stream data, the team succeeded in reconstructing vibrations—an achievement that had posed substantial challenges using an event camera.
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Light-based quantum technologies, such as quantum communication and photonic quantum computing, require reliable sources of individual photons and, ideally, pairs of entangled photons. Semiconductor quantum dots are promising candidates for this purpose. These nanostructures have electrical conductivity between that of insulators and conductors and are capable of confining electrons and holes. This property causes them to emit light at well-defined frequencies when excited by a laser.
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A research team is using astrophysical explosions to understand the mysterious forces at work in some of the smallest building blocks in nature: atomic nuclei. In new research published in Nature Communications, the team uses machine learning and artificial intelligence to decipher the data from astrophysical observations to better understand how neutrons and protons interact in dense matter at the quantum level.
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Astronomers have found that both the core of our Milky Way and the earliest proto-galaxies in the universe share a surprising trait: They are unusually calm and quiet in terms of harsh radiation. This tranquility is not just a cosmic curiosity; it may be essential for forming complex molecules that provide the ingredients of life.
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Two powerful instruments of the NASA/ESA/CSA James Webb Space Telescope joined forces to create this scenic galaxy view. This spiral galaxy is named NGC 5134, and it is located 65 million light-years away in the constellation Virgo. Though 65 million light-years may seem like a huge distance—the light that Webb collected to create this image has been journeying to us from NGC 5134 since soon after Tyrannosaurus rex went extinct—NGC 5134 is fairly close by as far as galaxies go. Because of the galaxy’s relative proximity, Webb can spot incredible details in its tightly wound spiral arms.
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NASA cleared its moon rocket on Thursday for an April launch with four astronauts after completing the latest round of repairs.
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FBI Director Kash Patel said agents are on scene of an “apparent vehicle ramming and active shooter situation” at Temple Israel synagogue in West Bloomfield Township
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Imagine looking up at the night sky and seeing a star suddenly burst into a blaze of light brighter than anything nearby. A flash so bright that it briefly outshines an entire galaxy before fading forever.
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A research team led by Prof. Shao Dingfu from the Hefei Institutes of Physical Science, Chinese Academy of Sciences, has proposed a universal mechanism that enables deterministic electrical control of collinear antiferromagnets—overcoming a long-standing bottleneck in antiferromagnetic spintronics. The study is published in Physical Review Letters.
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With the first images from the spacecraft now in hand, the team behind NASA’s Star-Planet Activity Research CubeSat, or SPARCS, is ready to begin charting the energetic lives of the galaxy’s most common stars to help answer one of humanity’s most profound questions: Which distant worlds beyond our solar system might be habitable?
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“Follow the water” has been a guiding mantra of astrobiology, and even space exploration more generally, for decades. If you want to find life, it makes sense to look for the universal solvent that almost all types of life on Earth use. But what if life doesn’t actually need water to live or even evolve? A recent paper, available on the preprint server arXiv by researchers at MIT, including Dr. Sara Seager, and the University of Cardiff, proposes an alternative to water as the basis for life—ionic liquids (ILs) and deep eutectic solvents (DES).
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