/ 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. Saying one thing while feeling another is part of being human, but bottling up emotions can have serious psychological consequences, such as anxiety or panic attacks. To help health care providers tell the difference, a team led by scientists at Penn State has created a stretchable, rechargeable sticker that can detect real emotions—by measuring things like skin temperature and heart rate—even when users put on a brave face. /news/2025-04-high-tech-sticker-real-human.html Bio & Medicine Nanomaterials Mon, 21 Apr 2025 15:19:05 EDT news664467541 Sit down, relax and get your nails done at the sustainability salon. In a new study, a team of researchers at the University of Colorado Boulder's ATLAS Institute has designed a new kind of press-on nails that are biodegradable, colorful and endlessly customizable. /news/2025-04-biodegradable-manicures-sustainable.html Environment Wed, 02 Apr 2025 12:05:04 EDT news662814301 Nature is full of masters of disguise. From the chameleon to arctic hare, natural camouflage is a common yet powerful way to survive in the wild. But one animal might surprise you with its camouflage capabilities: the squid. /news/2025-03-squid-nature-camouflagers-explanation.html Biochemistry Thu, 06 Mar 2025 13:27:04 EST news660490021 Stretchable display materials, which are gaining traction in the next-generation display market, have the advantage of being able to stretch and bend freely, but the limitations of existing materials have resulted in distorted screens and poor fit. /news/2025-02-transparent-stretchable-substrate-image-distortion.html Nanomaterials Fri, 28 Feb 2025 14:35:21 EST news659975701 Microscale light-emitting diodes (micro-LEDs) are emerging as a next-generation display technology for optical communications, augmented and virtual reality, and wearable devices. Metal-halide perovskites show great potential for efficient light emission, long-range carrier transport, and scalable manufacturing, making them potentially ideal candidates for bright LED displays. /news/2025-01-perovskite-growth-method-ultrahigh-resolution.html Nanophysics Nanomaterials Tue, 21 Jan 2025 14:46:03 EST news656693161 As the demand for thinner, lighter, and more flexible electronic devices grows, the need for advanced manufacturing processes has become critical. Polyimide (PI) films are widely used in these applications due to their excellent thermal stability and mechanical flexibility. They are crucial for emerging technologies like rollable displays, wearable sensors, and implantable photonic devices. /news/2025-01-graphene-technique-ultrathin-flexible-electronics.html Nanomaterials Wed, 08 Jan 2025 12:19:03 EST news655561141 Wearable devices and smart sensors are transforming how we monitor health and activity, from tracking heartbeats to detecting body movements. However, traditional tools like stethoscopes and fitness trackers often face challenges. They require user training, struggle with accurately capturing subtle signals, and are limited in flexibility and ease of use. /news/2024-12-sensor-track-motion-stress.html Nanomaterials Mon, 16 Dec 2024 14:20:05 EST news653581202 Organic semiconductors represent a transformative technology that bridges traditional electronics with the versatility of organic materials. They make flexible, wearable devices and next-generation displays possible. /news/2024-11-machine-approach-crystallizable-semiconductors.html Biochemistry Analytical Chemistry Mon, 25 Nov 2024 11:31:06 EST news651756662 A research team has developed a double-layer dry transfer printing technology that simultaneously transfers light-emitting and electron-transferring layers onto a substrate. This technology is expected to provide a more life-like view in augmented reality (AR) and virtual reality (VR), greatly enhancing the immersive experience. /news/2024-08-display-technologies-ultrahigh-definition-screens.html Optics & Photonics Thu, 22 Aug 2024 10:22:24 EDT news643540942 DGIST Professor Jiwoong Yang's team in the Energy Science and Engineering Department has successfully manufactured high-performance, skin-attachable perovskite pure red light-emitting devices to create various forms of wearable displays. /news/2024-05-ultra-high-efficiency-pure-red.html Nanomaterials Wed, 08 May 2024 09:38:50 EDT news634379927 High refractive index polymers (HRIPs) are essential for manufacturing modern optoelectronic devices, including displays and light sensors. However, high-performance HRIPs are expensive and environmentally unfriendly. /news/2024-04-high-refractive-index-polymers-sustainable.html Polymers Materials Science Tue, 30 Apr 2024 11:40:23 EDT news633696018 Researchers at the Indian Institute of Science (IISc) have developed flexible films that exhibit bright colors purely by virtue of their physical structure, without the need for any pigment. When stretched, the films exhibit a change in color as a response to the mechanical deformation. /news/2024-03-scientists-tunable-displays-sensors.html Nanomaterials Tue, 19 Mar 2024 09:26:03 EDT news630059161 Imagine technology as a race car speeding down a track—it can only go as fast as its engine allows. But just when it seemed like organic solar cells hit a roadblock, along comes 3PNIN, a game-changing molecule shaped like a propeller, ready to turbocharge their progress and break through barriers. /news/2024-02-alternate-propeller-isomer-solar-cells.html Nanophysics Nanomaterials Tue, 27 Feb 2024 10:24:03 EST news628251842 Using 3D printing and porous silicon, researchers at the University of Illinois Urbana-Champaign have developed compact, visible wavelength achromats that are essential for miniaturized and lightweight optics. These high-performance hybrid micro-optics achieve high focusing efficiencies, while minimizing volume and thickness. Further, these microlenses can be constructed into arrays to form larger area images for achromatic light-field imagers and displays. /news/2023-12-micro-lens-optics-hybrid-achromats.html Optics & Photonics Sat, 09 Dec 2023 13:31:31 EST news621351077 Recent research has led to the development of film-type shape-configurable speakers. These speakers, based on the unique properties of MXene, offer tunable sound directivity and hold immense promise for the rapidly growing field of wearable electronics. The study is published in Advanced Materials. /news/2023-12-unveils-shape-configurable-mxene-based-thermoacoustic-loudspeakers.html Nanomaterials Fri, 01 Dec 2023 07:32:03 EST news620638321 Skoltech scientists have found a way to improve the most widely used technology for producing single-walled carbon nanotube films—a promising material for solar cells, LEDs, flexible and transparent electronics, smart textiles, medical imaging, toxic gas detectors, filtration systems, and more. By adding hydrogen gas along with carbon monoxide to the reaction chamber, the team managed to almost triple carbon nanotube yield compared with when other growth promoters are used, without compromising quality. /news/2023-11-triple-carbon-nanotube-yield-solar.html Nanomaterials Tue, 28 Nov 2023 09:31:04 EST news620386261 The rapid advancements in flexible electronic technology have led to the emergence of innovative devices such as foldable displays, wearables, e-skin, and medical devices. These breakthroughs have created a growing demand for flexible adhesives that can quickly recover their shape while effectively connecting various components in these devices. /news/2023-09-unveil-flexible-adhesive-exceptional-recovery.html Analytical Chemistry Materials Science Tue, 19 Sep 2023 10:49:44 EDT news614339382 Wearable sensors are becoming a promising tool in personalized health care and exercise monitoring. In a recent study, researchers from Japan have developed a novel wearable chemical sensor capable of measuring the concentration of chloride ions in sweat. By using a heat-transfer printing technique, the proposed sensor can be applied to the outer surface of common textiles to prevent skin irritation and allergies, and could also be useful in the early detection of heat stroke and dehydration. /news/2023-07-wearable-biosensor-electrolytes.html Analytical Chemistry Thu, 06 Jul 2023 11:42:04 EDT news607862507 Nanoscientists have developed a wearable textile that can convert body movement into useable electricity and even store that energy. The fabric potentially has a wide range of applications from medical monitoring to assisting athletes and their coaches in tracking their performance, as well as smart displays on clothing. /news/2023-06-wearable-textile-captures-energy-body.html Nanomaterials Mon, 05 Jun 2023 15:30:04 EDT news605197802 Researchers at the University of São Paulo (USP) in Brazil have developed a kraft paper-based electrochemical sensor that can detect traces of pesticides in fruit and vegetables in real time when coupled to an electronic device. In an apple or cabbage, for example, it can detect carbendazim, a fungicide widely used in Brazil despite being banned. /news/2023-03-paper-based-sensor-pesticides-food-quickly.html Analytical Chemistry Thu, 30 Mar 2023 12:09:03 EDT news599396941 A Los Alamos National Laboratory team has overcome key challenges toward technologically viable high-intensity light emitters based on colloidal quantum dot technology, resulting in dual-function devices that operate as both an optically excited laser and a high-brightness electrically driven light-emitting diode (LED). /news/2023-03-dual-purpose-laser-device-based-colloidal.html Optics & Photonics Quantum Â鶹ÒùÔºics Mon, 27 Mar 2023 09:35:04 EDT news599128501 Carbon nanotubes (CNTs) are cylindrical tube-like structures made of carbon atoms that display highly desirable physical properties like high strength, low weight, and excellent thermal and electrical conductivities. This makes them ideal materials for various applications, including reinforcement materials, energy storage and conversion devices, and electronics. /news/2023-03-simple-inexpensive-approach-fabricating-carbon.html Nanophysics Nanomaterials Thu, 02 Mar 2023 10:18:03 EST news596974681 As devices get smaller and more powerful, the risk of them overheating and burning out increases substantially. Despite advancements in cooling solutions, the interface between an electronic chip and its cooling system has remained a barrier for thermal transport due to the materials' intrinsic roughness. /news/2023-02-thin-film-copper-sandwich-electronics.html Nanomaterials Tue, 14 Feb 2023 11:51:02 EST news595597861 Waaahhh! While babies have a natural mechanism for alerting their parents that they need a diaper change, a new sensor developed by researchers at Penn State could help workers in daycares, hospitals and other settings provide more immediate care to their charges. /news/2023-02-sensor-enables-smart-diapers-range.html Bio & Medicine Thu, 02 Feb 2023 17:01:24 EST news594579677 A team of researchers affiliated with multiple institutions in China has used perovskite and quantum dots to build an ultraviolet radiation measurement device. The group describes their experiment in Matter. /news/2022-12-perovskite-quantum-dots-ultraviolet-device.html Nanomaterials Wed, 07 Dec 2022 11:20:01 EST news589632523 It was a simple idea—maybe even too simple to work. /news/2022-12-basics-yields-printable-transparent-plastic.html Polymers Materials Science Fri, 02 Dec 2022 09:17:33 EST news589195048 Rainbows and sugar may conjure up images of a certain leprechaun-branded breakfast cereal. But now, researchers in ACS Nano report a kaleidoscope-like film for telling different sweeteners apart that displayed multiple colors when stretched by hand. When evenly stretched with a simple apparatus, the material enhanced the unique shifts in fluorescence intensity of 14 sugars tagged with a dye, distinguishing between them in beverages and sweat samples. /news/2022-11-gorgeous-rainbow-colored-stretchy-distinguishing-sugars.html Nanomaterials Wed, 30 Nov 2022 08:18:20 EST news589018695 At 200 times stronger than steel, graphene has been hailed as a super material of the future since its discovery in 2004. The ultrathin carbon material is an incredibly strong electrical and thermal conductor, making it a perfect ingredient to enhance semiconductor chips found in many electrical devices. /news/2022-10-graphene-circuits-flexible-wearable-electronics.html Nanomaterials Tue, 11 Oct 2022 16:42:04 EDT news584725321 If you're going to break a rule with style, make sure everybody sees it. That's the goal of engineers at Rice University who hope to improve screens for virtual reality, 3D displays and optical technologies in general. /news/2022-09-optical-nanoscale.html Optics & Photonics Mon, 12 Sep 2022 12:48:48 EDT news582205725 Researchers have developed and demonstrated new green-light absorbing transparent organic photodetectors that are highly sensitive and compatible with CMOS fabrication methods. Incorporating these new photodetectors into organic-silicon hybrid image sensors could be useful for applications such as light-based heart-rate monitoring, fingerprint recognition and devices that detect the presence of nearby objects. /news/2022-08-highly-sensitive-mass-photodetectors.html Optics & Photonics Thu, 25 Aug 2022 10:00:01 EDT news580632557