/ en-us �鶹��Ժ internet news portal provides the latest news on science including: �鶹��Ժics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. What happens when the universe's most magnetic object shines with the power of 1000 suns in a matter of seconds? Thanks to NASA's IXPE (Imaging X‑ray Polarimetry Explorer), a mission in collaboration with ASI (Italian Space Agency), scientists are one step closer to understanding this extreme event. /news/2025-06-ixpe-ray-polarization-magnetar-outburst.html Astronomy Thu, 05 Jun 2025 13:30:06 EDT news668348791 Vibrational sum-frequency generation (VSFG) is a nonlinear spectroscopic method widely used to investigate the molecular structure and dynamics of surface systems. However, in far-field observations, the spatial resolution of this method is constrained by the diffraction limit, which restricts its ability to resolve molecular details in inhomogeneous structures smaller than the wavelength of light. /news/2025-05-nanoscale-spectroscopy-vibrational-molecules-confined.html Nanophysics Nanomaterials Mon, 12 May 2025 12:05:04 EDT news666270301 A research group led by Prof. Yang Liangbao from the Hefei Institutes of �鶹��Ժical Science of the Chinese Academy of Sciences has enhanced localized surface plasmon resonance (LSPR) by studying Cu₂O₁₋ₓ superlattices with oxygen vacancies, providing new insights into vacancy doping in semiconductors and LSPR induction in metal oxide nanoparticles. The findings are published in Nano Letters. /news/2025-02-scientists-localized-surface-plasmon-resonance.html Nanophysics Nanomaterials Thu, 06 Feb 2025 12:44:03 EST news658068241 Our home planet is bombarded with particles from outer space all the time. And while we are mostly familiar with the rocky meteorites originating from within our solar system that create fascinating shooting stars in the night sky, it's the smallest particles that help scientists to understand the nature of the universe. /news/2025-01-hidden-power-smallest-microquasars-evidence.html Astronomy Wed, 29 Jan 2025 09:55:51 EST news657366947 Also known as Virgo A or NGC 4486, M87 is the brightest object in the Virgo cluster of galaxies, the largest gravitationally bound type of structure in the universe. It came to fame in April 2019 after scientists from EHT released the first image of a black hole in its center. /news/2024-12-m87-powerful-jet-unleashes-rare.html Astronomy Fri, 13 Dec 2024 09:58:05 EST news653306281 An international team of scientists led by Dr. Lukas Bruder, junior research group leader at the Institute of �鶹��Ժics, University of Freiburg, has succeeded in producing and directly controlling hybrid electron-photon quantum states in helium atoms. /news/2024-12-scientists-quantum-states-energy-range.html Optics & Photonics Quantum �鶹��Ժics Thu, 12 Dec 2024 11:48:03 EST news653226481 Thus far, the search for extraterrestrial intelligence (SETI) has used strategies based on classical science—listening for radio waves, telescopes watching for optical signals, telescopes in orbit scouring light from the atmospheres of exoplanets, scanning for laser light that might come from aliens. Could a quantum mechanical approach do better? /news/2024-09-interstellar-quantum-communications-involve-earth.html Astrobiology Thu, 19 Sep 2024 09:15:54 EDT news645956146 Using Spektr-RG and Fermi space observatories, German astronomers have investigated the supernova remnant SNR G309.8+00.0 in X-rays and gamma rays. Results of the new study, presented June 25 on the preprint server arXiv, deliver important insights into the properties of this supernova remnant. /news/2024-07-german-scientists-supernova-remnant-snr.html Astronomy Tue, 02 Jul 2024 08:10:01 EDT news639112400 Magnetization can be switched with a single laser pulse. However, it is not known whether the underlying microscopic process is scalable to the nanometer length scale, a prerequisite for making this technology competitive for future data storage applications. /news/2024-06-fundamental-spatial-limits-optical-magnetization.html Nanophysics Nanomaterials Thu, 27 Jun 2024 11:09:25 EDT news638705360 Transistors are the basis for microchips and the whole electronic industry. The invention of transistors, by Bardeen and Brattain in 1947, awarded with a Nobel prize, is regarded as one of the most important discoveries of the 20th century. /news/2024-05-unveiling-microscopic-mechanism-superconducting-metallic.html Condensed Matter Superconductivity Tue, 28 May 2024 09:28:40 EDT news636107308 The need for sustainable and environment-friendly solutions has accelerated the global demand for green and renewable technologies. In this regard, semiconductor photocatalysts have emerged as an attractive solution, owing to their potential in mitigating pollutants and harnessing solar energy efficiently. Photocatalysts are materials that initiate chemical reactions when exposed to light. /news/2024-04-nanostructures-efficient-sustainable-degradation-pollutants.html Nanomaterials Wed, 24 Apr 2024 12:01:04 EDT news633178862 A nearby supernova in 2023 offered astrophysicists an excellent opportunity to test ideas about how these types of explosions boost particles, called cosmic rays, to near light-speed. But surprisingly, NASA's Fermi Gamma-ray Space Telescope detected none of the high-energy gamma-ray light those particles should produce. /news/2024-04-nasa-fermi-mission-gamma-rays.html Astronomy Tue, 16 Apr 2024 12:51:04 EDT news632490661 Neutrinos and antineutrinos are nearly massless particles produced in many nuclear reactions, including the fission of uranium in nuclear power plants on Earth and the fusion reactions at the core of the sun. /news/2024-03-sensitive-neutrino-detector-nonproliferation-fundamental.html General �鶹��Ժics Tue, 26 Mar 2024 09:48:07 EDT news630665281 A research team led by the Paul Scherrer Institute has spectroscopically observed the fractionalization of electronic charge in an iron-based metallic ferromagnet. Experimental observation of the phenomenon is not only of fundamental importance. Since it appears in an alloy of common metals at accessible temperatures, it holds potential for future exploitation in electronic devices. The discovery is published in the journal Nature. /news/2024-03-weird-electron-behavior-weirder-fractionalization.html Condensed Matter Quantum �鶹��Ժics Wed, 06 Mar 2024 12:29:06 EST news628950541 A pair of astrophysicists at Universidad Nacional Autonoma de Mexico has found, via study of data from the low-Earth orbiting Fermi Gamma-ray Space Telescope, regular gamma radiation pulses emanating from around the black hole (at the center of the Milky Way galaxy Sagittarius A*). Gustavo Magallanes-Guijón and Sergio Mendoza have written a paper describing their findings, published on the arXiv preprint server. /news/2023-11-fermi-gamma-ray-space-telescope-reveal.html Astronomy Fri, 24 Nov 2023 06:10:01 EST news619887787 The University of Alabama in Huntsville (UAH) has announced that three researchers associated with the UAH Center for Space Plasma and Aeronomic Research (CSPAR) have discovered a gamma-ray burst (GRB) approximately 2.4 billion light-years away in the constellation Sagitta that ranks as the brightest ever observed. Believed to have been triggered by collapse of a massive star, it is accompanied by a supernova explosion, giving birth to a black hole. /news/2023-07-gamma-ray-brightest.html Astronomy Tue, 18 Jul 2023 12:44:22 EDT news608903054 Our Milky Way galaxy is an awe-inspiring feature of the night sky, viewable with the naked eye as a horizon-to-horizon hazy band of stars. Now, for the first time, the IceCube Neutrino Observatory has produced an image of the Milky Way using neutrinos—tiny, ghostlike astronomical messengers. In an article to be published in the journal Science, the IceCube Collaboration, an international group of over 350 scientists, presents evidence of high-energy neutrino emission from the Milky Way. /news/2023-06-ghost-particle-image-milky-galaxy.html Astronomy Thu, 29 Jun 2023 14:00:03 EDT news607252291 While studying classical novae using the National Radio Astronomy Observatory's Very Long Baseline Array (VLBA), a graduate researcher uncovered evidence showing that the objects may have been erroneously typecast as simple. The new observations, which detected non-thermal emission from a classical nova with a dwarf companion, were presented at a press conference during the 242nd proceedings of the American Astronomical Society in Albuquerque, New Mexico. /news/2023-06-average-space-explosion-baseline-array.html Astronomy Tue, 06 Jun 2023 16:10:02 EDT news605175363 More than a hundred blazars—distant and active galaxies with a central supermassive black hole that drives powerful jets—have been newly characterized by Penn State researchers from a catalog of previously unclassified high-energy cosmic emissions. The new blazars, which are dim relative to more typical blazars, have allowed the researchers to test a controversial theory of blazar emissions, informing our understanding of black hole growth and even theories of general relativity and high-energy particle physics. /news/2023-05-theory-supermassive-black-holes-newly.html Astronomy Thu, 11 May 2023 09:19:03 EDT news603015541 Australian astronomers have provided vital information in the global effort to understand the brightest-ever detected gamma ray burst, which swept through our solar system on October 9 last year. /news/2023-03-sydney-astronomers-rapid-radio-wave-follow-up.html Astronomy Tue, 28 Mar 2023 16:19:08 EDT news599239144 A research group led by Stefanie Komossa (MPIfR Bonn, Germany) presents new results on the galaxy OJ 287, based on the most dense and longest radio-to-high-energy observations to date with telescopes like the Effelsberg telescope and the Swift Observatory. /news/2023-02-absence-october-outburst-galaxy-oj.html Astronomy Fri, 24 Feb 2023 09:43:04 EST news596454181 Researchers using MeerKAT in South Africa have discovered nine millisecond pulsars, most of them in rare and sometimes unusual binary systems, as the first result of a targeted survey. An international team with significant contributions from AEI (Hannover) und MPIfR (Bonn) selected 79 unidentified pulsar-like sources from observations of NASA's Fermi Gamma-ray Space Telescope and observed them at radio frequencies with MeerKAT. /news/2023-01-exotic-creatures-pulsar-zoo.html Astronomy Thu, 26 Jan 2023 09:05:05 EST news593946302 An international team of astronomers has performed a comprehensive, multiwavelength study of a blazar known as 1ES 1218+304. Results of the research, presented in a paper published January 3 on the arXiv preprint server, provide more insights into broadband properties of this source. /news/2023-01-blazar-1es.html Astronomy Wed, 11 Jan 2023 09:00:01 EST news592648298 Recently, the team led by Prof. Zeng Changgan from the University of Sciences and Technology of China (USTC) of the Chinese Academy of Sciences, collaborating with Li Xiaoguang's team from Shenzhen University, has enabled the remote tuning of the lifetime of coupled plasmon excitations by designing and introducing an additional damping pathway through adjusting the Fermi energy level of graphene, and the damping tuning system has been elucidated in conjunction with theory. The study was published in �鶹��Ժical Review Letters as an Editors' Suggestion. /news/2022-12-remote-tuning-lifetime-coupled-dirac.html Condensed Matter Optics & Photonics Mon, 19 Dec 2022 10:43:28 EST news590669003 For nearly two decades, astrophysicists have believed that long gamma-ray bursts (GRBs) resulted solely from the collapse of massive stars. Now, a new study upends that long-established and long-accepted belief. /news/2022-12-kilonova-upends-gamma-ray.html Astronomy Wed, 07 Dec 2022 11:00:01 EST news589626127 In the early-morning hours of today, 14 October 2022, astronomers using the Gemini South telescope in Chile operated by NSF's NOIRLab observed the unprecedented aftermath of one of the most powerful explosions ever recorded, Gamma-Ray Burst GRB221009A. This record-shattering event, which was first detected on 9 October 2022 by orbiting X-ray and gamma-ray telescopes, occurred 2.4 billion light-years from Earth and was likely triggered by a supernova explosion giving birth to a black hole. /news/2022-10-record-breaking-gamma-ray-possibly-powerful-explosion.html Astronomy Sat, 15 Oct 2022 06:26:46 EDT news585033990 �鶹��Ժicists love to smash particles together and study the resulting chaos. Therein lies the discovery of new particles and strange physics, generated for tiny fractions of a second and recreating conditions often not seen in our universe for billions of years. But for the magic to happen, two beams of particles must first collide. /news/2022-08-lab-successfully-technique-particle.html Optics & Photonics Quantum �鶹��Ժics Wed, 10 Aug 2022 12:58:57 EDT news579355129 Quantum collaboration demonstrates in Chicagoland the first steps toward functional long-distance quantum networks over deployed telecom fiber optics, opening the door to scalable quantum computing. /news/2022-06-quantum-network-national-labs-synch.html Quantum �鶹��Ժics Tue, 28 Jun 2022 09:05:00 EDT news575625895 Using various space and ground-based observatories, astronomers have inspected flaring activity observed on a blazar known as S5 1803+78. Results of this multi-wavelength study, published April 10 on the arXiv pre-print server, shed more light on the properties of this source. /news/2022-04-flaring-blazar-s5.html Astronomy Mon, 18 Apr 2022 10:50:01 EDT news569497443 Coalescing supermassive black holes in the centers of merging galaxies fill the universe with low-frequency gravitational waves. Astronomers have been searching for these waves by using large radio telescopes to look for the subtle effect these spacetime ripples have on radio waves emitted by pulsars within our galaxy. Now, an international team of scientists has shown that the high-energy light collected by NASA's Fermi Gamma-ray Space Telescope can also be used in the search. Using gamma rays instead of radio waves yields a clearer view to the pulsars and provides an independent and complementary way to detect gravitational waves. /news/2022-04-fermi-satellite-extremely-wavelength-gravitational.html Astronomy Thu, 07 Apr 2022 14:00:03 EDT news568558268