/ en-us Â鶹ÒùÔº internet news portal provides the latest news on science including: Â鶹ÒùÔºics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. New results published in the journal Â鶹ÒùÔºical Review Letters detail how a specially designed metamaterial was able to tip the normally equal balance between thermal absorption and emission, enabling the material to better emit infrared light than absorb it. /news/2025-07-material-emits-infrared-absorbs-violating.html General Â鶹ÒùÔºics Condensed Matter Thu, 03 Jul 2025 11:20:01 EDT news670759222 Researchers from the Illinois Grainger College of Engineering are the first to demonstrate a simple and tunable method for realizing asymmetric couplings in integrated photonics. Their findings, published in Â鶹ÒùÔºical Review Letters and selected as an Editor's Pick, provide insight into topological physics while introducing a new approach for optical non-reciprocity and photonic gyration. /news/2025-06-giant-photonic-isolation-gyration.html Optics & Photonics Fri, 27 Jun 2025 09:19:03 EDT news670234741 A research team including members from the University of Michigan have unveiled a new observational technique that's sensitive to the dynamics of the intrinsic quantum jiggles of materials, or phonons. /news/2025-06-electron-microscopy-technique-captures-nanoparticle.html Nanophysics Nanomaterials Wed, 18 Jun 2025 17:19:04 EDT news669485941 The Hong Kong University of Science and Technology (HKUST)-led research team has adopted gyromagnetic double-zero-index metamaterials (GDZIMs)—a new optical extreme-parameter material—and developed a new method to control light using GDZIMs. This discovery could revolutionize fields like optical communications, biomedical imaging, and nanotechnology, enabling advances in integrated photonic chips, high-fidelity optical communication, and quantum light sources. /news/2025-06-gyromagnetic-index-metamaterials-enable-stable.html Condensed Matter Optics & Photonics Thu, 12 Jun 2025 16:04:19 EDT news668963055 Materials with self-adaptive mechanical responses have long been sought after in material science. Using computer simulations, researchers at the Tata Institute of Fundamental Research (TIFR), Hyderabad, now show how such adaptive behavior can emerge in active glasses, which are widely used as models for biological tissues. /news/2025-05-uncover-mechanism-enabling-glasses-brittleness.html Soft Matter Mon, 19 May 2025 10:34:13 EDT news666869646 Axions, hypothetical subatomic particles that were first proposed by theoretical physicists in the late 1970s, remain among the most promising dark matter candidates. Â鶹ÒùÔºics theories suggest that the interactions between these particles and regular matter are extremely weak, which makes them very difficult to detect using conventional experimental set-ups. /news/2025-05-results-haystac-phase-ii-dark.html General Â鶹ÒùÔºics Mon, 12 May 2025 11:20:01 EDT news666265461 For decades, traditional lithography techniques—such as electron beam lithography and nanoimprinting—have struggled to meet the demand for ultra-fine, high-aspect-ratio structures in general. Similar difficulty also applies to metal-based radio-frequency (RF) components. Issues like poor thickness control, uneven sidewalls, and material limitations have constrained performance and scalability. /news/2025-05-deep-trench-3d-enables-gen.html Nanophysics Nanomaterials Tue, 06 May 2025 13:22:10 EDT news665756519 Origami—the Japanese art of folding paper—could be the next frontier in innovative materials. Practiced in Japan since the early 1600s, origami involves combining simple folding techniques to create intricate designs. Now, Georgia Tech researchers are leveraging the technique as the foundation for next-generation materials that can both act as a solid and predictably deform, "folding" under the right forces. The research could lead to innovations in everything from heart stents to airplane wings and running shoes. /news/2025-05-class-materials-origami.html General Â鶹ÒùÔºics Mon, 05 May 2025 11:15:59 EDT news665662549 Exosomes, secreted by most cells, carry biological information and proteins that serve as noninvasive biomarkers for diagnosing and predicting disease progression and metastasis. However, the rapid isolation of high-purity exosomes from various biofluids, such as undiluted whole blood, plasma and serum, remains a challenge. /news/2025-04-oscillating-microbubbles-exosomes-blood-minutes.html Bio & Medicine Mon, 28 Apr 2025 12:27:03 EDT news665062021 In a leap forward for materials science, a multi-institutional team of researchers has developed a pioneering method of 3D printing cholesteric liquid crystal elastomers (CLCEs), enabling complex, color-changing responsive materials and paving the way for novel applications like smart textiles and advanced robotics. /news/2025-03-3d-method-materials-smart-textiles.html Materials Science Mon, 31 Mar 2025 14:53:04 EDT news662651581 Metamaterials are artificially-structured materials with extraordinary properties not easily found in nature. With engineered three-dimensional (3D) geometries at the micro- and nanoscale, these architected materials achieve unique mechanical and physical properties with capabilities beyond those of conventional materials—and have emerged over the past decade as a promising way to engineering challenges where all other existing materials have lacked success. /news/2025-03-future-metamaterials.html Nanomaterials Thu, 27 Mar 2025 17:13:03 EDT news662314381 When materials are created on a nanometer scale—just a handful of atoms thick—even the thermal energy present at room temperature can cause structural ripples. How these ripples affect the mechanical properties of these thin materials can limit their use in electronics and other key systems. /news/2025-03-nanoscale-ripples-key-thin-material.html Nanophysics Nanomaterials Thu, 27 Mar 2025 14:05:03 EDT news662303101 A flower-shaped structure only a few micrometers in size made of a nickel-iron alloy can concentrate and locally enhance magnetic fields. The size of the effect can be controlled by varying the geometry and number of "petals." /news/2025-03-magnetic-microflowers-local-fields.html Nanophysics Nanomaterials Tue, 25 Mar 2025 13:21:03 EDT news662127662 What happens when a quantum physicist is frustrated by the limitations of quantum mechanics when trying to study densely packed atoms? At EPFL, you get a metamaterial, an engineered material that exhibits exotic properties. /news/2025-03-quantum-atoms-acoustics.html Condensed Matter Quantum Â鶹ÒùÔºics Tue, 25 Mar 2025 12:57:57 EDT news662126269 The conversion of CO2 into e-fuels by light offers a sustainable solution to close the carbon cycle. Researchers at the Laboratory for Nanometallurgy have pioneered an innovative approach to plasmon-assisted catalytic CO2 conversion using nanoscale disordered network metamaterials. /news/2025-03-plasmon-catalytic-conversion-method-sustainable.html Nanomaterials Wed, 12 Mar 2025 13:09:02 EDT news661003741 Electromagnetic metamaterials with negative physical parameters such as negative dielectric constant and negative magnetic permeability have attracted widespread attention in the academic community. In 2010, they were praised by Materials Today as one of the top ten advances in materials science in the past 50 years. /news/2025-02-silicon-nitride-based-electromagnetic-metamaterial.html Materials Science Thu, 20 Feb 2025 14:34:04 EST news659284442 For the first time, scientists have demonstrated that negative refraction can be achieved using atomic arrays—without the need for artificially manufactured metamaterials. /news/2025-02-atomic-arrays-enable-negative-refraction.html Optics & Photonics Wed, 12 Feb 2025 05:00:04 EST news658488842 Quantum computers have the potential of outperforming classical computers on some optimization and computational tasks. Compared to classical systems, however, quantum systems are more prone to errors, as they are more sensitive to noise and prone to so-called decoherence. /news/2025-01-phononic-bandgap-materials-suppress-decoherence.html Condensed Matter Quantum Â鶹ÒùÔºics Wed, 29 Jan 2025 14:50:06 EST news657383993 Exoplanet exploration has taken off in recent years, with over 5,500 being discovered so far. Some have even been in the habitable zones of their stars. Imaging one such potentially habitable exoplanet is the dream of many exoplanet hunters, however, technology has limited their ability to do that. /news/2025-01-dynamically-stable-large-space-architected.html Space Exploration Planetary Sciences Tue, 28 Jan 2025 12:08:03 EST news657288481 The chameleon, a lizard known for its color-changing skin, is the inspiration behind a new electromagnetic material that could someday make vehicles and aircraft "invisible" to radar. /news/2025-01-electromagnetic-material-shifting-chameleon.html Condensed Matter Optics & Photonics Wed, 22 Jan 2025 10:27:19 EST news656764027 A team of researchers from the University of Ottawa has developed innovative methods to enhance frequency conversion of terahertz (THz) waves in graphene-based structures, unlocking new potential for faster, more efficient technologies in wireless communication and signal processing. /news/2025-01-harnessing-electromagnetic-quantum-materials-wireless.html Optics & Photonics Tue, 21 Jan 2025 16:27:04 EST news656699221 A team of UConn College of Engineering (CoE) researchers have achieved a major milestone in the field of phononics with the first experimental demonstration of an all-flat phononic band structure (AFB). Phononics concerns the study of sound and heat control. /news/2025-01-flat-phononic-band-vibrations-energy.html General Â鶹ÒùÔºics Condensed Matter Tue, 14 Jan 2025 11:37:03 EST news656077021 In a new publication in Nature Communications, Israeli and Palestinian engineers from The Hebrew University of Jerusalem pioneered the use of metamaterials to create whole cuts of meat. The work leverages cutting-edge materials science to overcome the long-standing challenges of replicating the texture and structure of traditional meat while offering a scalable and cost-effective production method that surpasses 3D printing technology. /news/2025-01-crafting-meat-metamaterials-mimic-muscle.html Biochemistry Materials Science Wed, 08 Jan 2025 13:20:24 EST news655564816 Dipole toroidal modes are a unique set of excitations that are predicted to occur in various physical systems, ranging from atomic nuclei to metamaterials. What characterizes these excitations, or modes, is a toroidal distribution of currents, which results in the formation of vortex-like structures. /news/2025-01-nickel-nucleus-host-elusive-toroidal.html General Â鶹ÒùÔºics Tue, 07 Jan 2025 08:00:02 EST news655395881 Acoustic metamaterials—architected materials that have tailored geometries designed to control the propagation of acoustic or elastic waves through a medium—have been studied extensively through computational and theoretical methods. Â鶹ÒùÔºical realizations of these materials to date have been restricted to large sizes and low frequencies. /news/2024-11-framework-tunable-ultrasound-propagation-microscale.html Nanophysics Nanomaterials Thu, 21 Nov 2024 08:51:42 EST news651401494 Metamaterials are artificial materials that do not occur in nature. Their components function like atoms in conventional materials but have special optical, electrical and magnetic properties. Interaction between the components is crucial to a metamaterial's functionality. /news/2024-11-mechanical-metamaterial-enables-distance-component.html Condensed Matter Fri, 15 Nov 2024 10:09:15 EST news650887751 Researchers have taken a novel approach to studying the interaction between certain topological metamaterials and sound wave propagation. /news/2024-11-macroscopic-propagation-topological-metamaterials.html Nanophysics Nanomaterials Tue, 12 Nov 2024 12:22:03 EST news650636521 In the context of sensory modalities, eyes work like tiny antennae, picking up light, electromagnetic waves traveling at blistering speeds. When humans look at the world, their eyes catch these waves and convert them into signals the brain reads as colors, shapes, and movement. It's a seamless process, that allows people to see details clearly even when there's a lot happening around them. /news/2024-10-klein-tunneling-acoustic-filtration.html Nanophysics Nanomaterials Fri, 18 Oct 2024 14:00:41 EDT news648478837 In recent years, researchers have synthesized various new materials that could be used to develop more advanced robotic systems, devices and human-machine interfaces. These materials include graphene aerogels, ultralight, porous and graphene-based materials comprised of a single layer of carbon atoms arranged in a 2D honeycomb lattice. /news/2024-10-fabrication-strategy-graphene-aerogel-sensitivity.html Nanomaterials Fri, 18 Oct 2024 08:10:01 EDT news648444831 A new software package developed by researchers at Macquarie University can accurately model the way waves—sound, water or light—are scattered when they meet complex configurations of particles. /news/2024-09-simulation-potential-metamaterials.html Condensed Matter Optics & Photonics Thu, 12 Sep 2024 10:30:28 EDT news645355817