Âé¶¹ÒùÔº - latest science and technology news stories / en-us Âé¶¹ÒùÔº internet news portal provides the latest news on science including: Âé¶¹ÒùÔºics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Nanodevice uses sound to sculpt light, paving the way for better displays and imaging Light can behave in very unexpected ways when you squeeze it into small spaces. In a paper in the journal Science, Mark Brongersma, a professor of materials science and engineering at Stanford University, and doctoral candidate Skyler Selvin describe the novel way they have used sound to manipulate light that has been confined to gaps only a few nanometers across—allowing the researchers exquisite control over the color and intensity of light mechanically. /news/2025-07-nanodevice-sculpt-paving-displays-imaging.html Nanophysics Nanomaterials Thu, 31 Jul 2025 14:00:05 EDT news673170541 When space becomes time: A new look inside the BTZ black hole Exploring the BTZ black hole in (2+1)-dimensional gravity took me down a fascinating rabbit hole, connecting ideas I never expected—like black holes and topological phases in quantum matter! When I swapped the roles of space and time in the equations (it felt like turning my map upside down when I was lost in a new city), I discovered an interior version of the solution existing alongside the familiar exterior, each with its own thermofield double state. /news/2025-07-space-btz-black-hole.html General Âé¶¹ÒùÔºics Quantum Âé¶¹ÒùÔºics Thu, 31 Jul 2025 09:10:04 EDT news673171327 New 3D headset uses holograms and AI to create lifelike mixed reality visuals Using 3D holograms polished by artificial intelligence, researchers introduce a lean, eyeglass-like 3D headset that they say is a significant step toward passing the "Visual Turing Test." /news/2025-07-3d-headset-holograms-ai-lifelike.html Optics & Photonics Mon, 28 Jul 2025 10:44:08 EDT news672918242 Amplifier with 10-fold bandwidth opens up for super lasers Rapidly increasing data traffic is placing ever greater demands on the capacity of communication systems. In an article titled "Ultra-broadband optical amplification using nonlinear integrated waveguides" published in Nature, a research team from Chalmers University of Technology, in Sweden, introduce a new amplifier that enables the transmission of 10 times more data per second than those of current fiber-optic systems. /news/2025-04-amplifier-bandwidth-super-lasers.html Optics & Photonics Wed, 09 Apr 2025 11:00:28 EDT news663406261 Graphene-based programmable surfaces advance terahertz imaging and 6G communications Researchers at The University of Manchester's National Graphene Institute have introduced a new class of reconfigurable intelligent surfaces capable of dynamically shaping terahertz (THz) and millimeter (mm) waves. Detailed in a paper published in Nature Communications, this breakthrough overcomes long-standing technological barriers and could pave the way for next-generation 6G wireless technologies and non-invasive imaging systems. /news/2025-03-graphene-based-programmable-surfaces-advance.html Optics & Photonics Thu, 27 Mar 2025 11:00:45 EDT news662292041 Novel high-fidelity computational microscopy uses stable features for clearer imaging Computational microscopy is vital in biomedicine and materials science. Traditional methods struggle with optical aberrations, noise interference, and differences between physical models and real-world imaging, reducing the resolution and accuracy. They rely on pixel-level optimization, which fails to maintain high-quality imaging in complex environments. Therefore, developing a precise and stable computational imaging approach has become a research focus. /news/2025-03-high-fidelity-microscopy-stable-features.html Biotechnology Molecular & Computational biology Mon, 10 Mar 2025 15:47:03 EDT news660840422 Extending classical black hole inequalities into the quantum realm A recent study in Âé¶¹ÒùÔºical Review Letters explores quantum effects on black hole thermodynamics and geometry, focusing on extending two classical inequalities into the quantum regime. /news/2024-11-classical-black-hole-inequalities-quantum.html General Âé¶¹ÒùÔºics Quantum Âé¶¹ÒùÔºics Sat, 23 Nov 2024 10:50:01 EST news651502238 Ultra-compact optical design enhances virtual and augmented reality device cameras Researchers from Seoul National University College of Engineering announced they have developed an optical design technology that dramatically reduces the volume of cameras with a folded lens system utilizing "metasurfaces," a next-generation nano-optical device. /news/2024-11-ultra-compact-optical-virtual-augmented.html Optics & Photonics Wed, 20 Nov 2024 14:35:52 EST news651335748 Optical technique that uses orbital angular momentum could transform medical diagnostics An Aston University researcher has developed a new technique using light that could revolutionize non-invasive medical diagnostics and optical communication. The research showcases how a type of light called the orbital angular momentum (OAM) can be harnessed to improve imaging and data transmission through skin and other biological tissues. /news/2024-10-optical-technique-orbital-angular-momentum.html Optics & Photonics Fri, 25 Oct 2024 13:51:04 EDT news649083061 Image-guided computational holographic wavefront shaping: Fast, versatile solutions for complex imaging challenges A study by researchers from the Institute of Applied Âé¶¹ÒùÔºics at the Hebrew University of Jerusalem, published in Nature Photonics, presents a new method for non-invasive high-resolution imaging through highly scattering media. /news/2024-10-image-holographic-wavefront-fast-versatile.html Optics & Photonics Fri, 18 Oct 2024 05:00:01 EDT news648399213 Janus-like metasurface technology shows different optical responses according to the direction of light Metasurface technology is an advanced optical technology that is thinner, lighter, and more capable of precisely controlling light through nanometer-sized artificial structures than conventional technologies. KAIST researchers have overcome the limitations of existing metasurface technologies and successfully designed a Janus metasurface capable of perfectly controlling asymmetric light transmission. By applying this technology, they have also proposed an innovative method to significantly enhance security by only decoding information under specific conditions. /news/2024-10-janus-metasurface-technology-optical-responses.html Optics & Photonics Tue, 15 Oct 2024 16:34:17 EDT news648228853 Nonlinear optical metasurface achieves electrically tunable third-harmonic generation A recent study has unveiled a transformative nonlinear optical metasurface technology. This new technology, characterized by structures smaller than the wavelength of light, paves the way for significant advancements in next-generation communication technologies, including quantum light sources and medical diagnostic devices. /news/2024-09-nonlinear-optical-metasurface-electrically-tunable.html Optics & Photonics Fri, 27 Sep 2024 12:00:01 EDT news646656846 Smartphone-based microscope rapidly reconstructs 3D holograms Researchers have developed a new smartphone-based digital holographic microscope that enables precision 3D measurements. The highly portable and inexpensive microscope could help bring 3D measurement capabilities to a broader range of applications, including educational uses and point-of-care diagnostics in resource-limited settings. /news/2024-09-smartphone-based-microscope-rapidly-reconstructs.html Optics & Photonics Wed, 11 Sep 2024 17:19:03 EDT news645293941 Neutron-star mergers illuminate the mysteries of quark matter Neutron stars are the remnants of old stars that have run out of nuclear fuel and undergone a supernova explosion and a subsequent gravitational collapse. Although their collisions—or binary mergers—are rare, when they do occur, these violent events can perturb spacetime itself, producing gravitational waves detectable on Earth from hundreds of millions of light years away. /news/2024-08-neutron-star-mergers-illuminate-mysteries.html Astronomy Wed, 14 Aug 2024 11:35:04 EDT news642854101 Scientists visualize magnetic fields at atomic scale with holography electron microscope A research team from Japan, including scientists from Hitachi, Ltd. (TSE 6501, Hitachi), Kyushu University, RIKEN, and HREM Research Inc. (HREM), has achieved a major breakthrough in the observation of magnetic fields at unimaginably small scales. /news/2024-07-scientists-visualize-magnetic-fields-atomic.html Condensed Matter Optics & Photonics Fri, 05 Jul 2024 09:01:04 EDT news639388861 Probing the effects of interplanetary space on asteroid Ryugu Analyzing samples retrieved from the asteroid Ryugu by the Japanese Space Agency's Hayabusa2 spacecraft has revealed new insights into the magnetic and physical bombardment environment of interplanetary space. The results of the study, carried out by Professor Yuki Kimura at Hokkaido University and co-workers at 13 other institutions in Japan, are published in the journal Nature Communications. /news/2024-04-probing-effects-interplanetary-space-asteroid.html Planetary Sciences Mon, 29 Apr 2024 05:00:01 EDT news633342601 Researchers use smartphone screen to create 3D layered holographic images Researchers have developed a 3D full-color display method that uses a smartphone screen rather than a laser to create holographic images. With further development, the new approach could be useful for augmented or virtual reality displays. /news/2024-04-smartphone-screen-3d-layered-holographic.html Optics & Photonics Tue, 02 Apr 2024 12:51:04 EDT news631281061 Holographic message encoded in simple plastic There are many ways to store data—digitally, on a hard disk, or using analog storage technology, for example as a hologram. In most cases, it is technically quite complicated to create a hologram: High-precision laser technology is normally used for this. /news/2024-03-holographic-message-encoded-simple-plastic.html Optics & Photonics Mon, 18 Mar 2024 10:58:03 EDT news629978281 Study finds quantum state of a rotating superfluid can discharge in three ways According to a recent study from the University of Helsinki, published in the journal Âé¶¹ÒùÔºical Review Letters, a vortex of a superfluid that has been quantized four times has three ways of dividing, depending on the temperature. /news/2024-02-quantum-state-rotating-superfluid-discharge.html General Âé¶¹ÒùÔºics Quantum Âé¶¹ÒùÔºics Fri, 16 Feb 2024 10:24:32 EST news627301468 Images hidden in noise revealed by a quantum-inspired phase-imaging method Researchers at the University of Warsaw's Faculty of Âé¶¹ÒùÔºics with colleagues from Stanford University and Oklahoma State University have introduced a quantum-inspired phase-imaging method based on light intensity correlation measurements that is robust to phase noise. /news/2023-12-images-hidden-noise-revealed-quantum-inspired.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Wed, 27 Dec 2023 14:31:12 EST news622909866 First experimental evidence of hopfions in crystals: Research opens up new dimension for future technology Hopfions, magnetic spin structures predicted decades ago, have become a hot and challenging research topic in recent years. In a study published in Nature, the first experimental evidence is presented by a Swedish-German-Chinese research collaboration. /news/2023-11-experimental-evidence-hopfions-crystals-dimension.html Condensed Matter Wed, 22 Nov 2023 11:00:01 EST news619867713 Holographic hybridization technique allows changes of depth of field in recorded pictures and videos Most of the imaging technologies available today, including smartphone cameras, digital video cameras, microscopes and telescopes, are based on the concepts of direct imaging, i.e., a camera directly recording a scene in a single step. This is precisely how human vision works, where light from an object is collected by the eye's lens and focused on the retina. /news/2023-09-holographic-hybridization-technique-depth-field.html Optics & Photonics Tue, 26 Sep 2023 09:09:51 EDT news614938149 Experimental quantum imaging distillation with undetected light It is possible to image an object with an induced coherence effect by making use of photon pairs to gain information on the item of interest—without detecting the light probing it. While one photon illuminates the object, its partner alone is detected, thereby preventing the measurements of coincidence events to reveal information of the sought after object. This method can be made resilient to noise, as well. /news/2023-09-experimental-quantum-imaging-distillation-undetected.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Fri, 08 Sep 2023 11:30:01 EDT news613385120 Saturday Citations: Comparing teenagers to bonobos, babies to dogs, ancient cats to modern cats. Plus: Photons! This week, scientists contemplated teenage hormones, described cat noises, visualized photon entanglement and—oh!—landed on the moon. /news/2023-08-saturday-citations-teenagers-bonobos-babies.html Other Sat, 26 Aug 2023 05:10:01 EDT news612181852 Visualizing the mysterious dance: Quantum entanglement of photons captured in real-time Researchers at the University of Ottawa, in collaboration with Danilo Zia and Fabio Sciarrino from the Sapienza University of Rome, recently demonstrated a novel technique that allows the visualization of the wave function of two entangled photons, the elementary particles that constitute light, in real-time. /news/2023-08-visualizing-mysterious-quantum-entanglement-photons.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Mon, 21 Aug 2023 11:06:53 EDT news611834807 Complex-domain neural network advances large-scale coherent imaging Computational imaging has the potential to revolutionize optical imaging by providing wide field-of-view and high-resolution capabilities. Joint reconstruction of amplitude and phase—known as "coherent imaging or holographic imaging"—expands the throughput of an optical system to billions of optically resolvable spots. This breakthrough enables researchers to gain crucial insights into cellular and molecular structures for biomedical research. /news/2023-07-complex-domain-neural-network-advances-large-scale.html Optics & Photonics Thu, 27 Jul 2023 16:36:03 EDT news609694562 Researchers devise new quantum photonics technique to create better holograms By enabling the recording and reconstruction of faint light beams containing a single particle of light, a new technique opens the door to holographic imaging of remote objects. /news/2023-07-quantum-photonics-technique-holograms.html Optics & Photonics Quantum Âé¶¹ÒùÔºics Mon, 10 Jul 2023 11:25:21 EDT news608207118 Deep learning and holographic imaging accelerate the detection and quantification of viral plaques Viral infections have challenged humanity for centuries. Even with progressive scientific advancements, the struggle against viruses continues, as exemplified by the recent COVID-19 pandemic. In the fight against these viral infections, a variety of techniques have been established for detecting and quantifying viruses, contributing significantly to the development of critical vaccines and antiviral medications. /news/2023-06-deep-holographic-imaging-quantification-viral.html Cell & Microbiology Biotechnology Fri, 23 Jun 2023 09:34:01 EDT news606731638 Could quantum gravity models arising from holography explain cosmological acceleration? Theoretical physicists have long been trying to devise a complete theory of gravity that would also account for quantum mechanics phenomena, as existing models do not. Such a theory could collectively explain the many intricate physical and cosmological phenomena observed over the past decades. /news/2023-06-quantum-gravity-holography-cosmological.html General Âé¶¹ÒùÔºics Quantum Âé¶¹ÒùÔºics Thu, 22 Jun 2023 09:52:46 EDT news606646360 Ultrashort light pulses shaped like a spring toy bring a new twist to photonics We've all played at least once with a spring toy, but did you know that light can be shaped like a spring too? /news/2023-06-ultrashort-pulses-toy-photonics.html Optics & Photonics Fri, 09 Jun 2023 12:42:25 EDT news605533342