Researchers discovered hidden repeating patterns in seemingly disordered nanostructures, allowing for faster and more accurate analysis and design of metasurfaces. This breakthrough enables the development of next-generation optical devices, including AR and VR components and high-performance metalenses.
Researchers at Pohang University of Science and Technology have developed a speaker system that can deliver sound to a single listener, using dual-domain metamaterials and a compact ultrasonic transducer. The system achieves highly directional audio generation, focusing sound at the front and blocking parasitic noise at the back.
A research team created an ultrathin artificial lung that reproduces the movement of alveoli, air sacs inside the lung, and demonstrates the response to influenza virus. The lung operated stably through 240,000 breaths and showed promise for studying lung disease and drug responses.
A research team at Pohang University of Science and Technology developed technologies for producing sharp full-color images using metalenses, addressing two major challenges: high optical performance and scalable manufacturing. The team solved the issue of achromatic performance by controlling the height of nanoscale pillars, enabling ...
Researchers developed a wearable patch that uses room light to treat skin wounds, promoting wound closure and tissue regeneration. The patch, made of a stretchable silicone elastomer, emits red light that activates a photosensitizer, inducing collagen crosslinking and alleviating inflammation.
Researchers developed nanoparticles that retain their protective coating in normal tissue but shed it upon reaching tumor tissue, releasing anticancer drugs. This technology reduces systemic side effects and enhances treatment efficacy.
This study found that households in metropolitan areas with higher population density and income levels show stronger voluntary water conservation during drought. The AI-based scenario analysis showed that increased drought-related news coverage leads to significant water savings in these regions, but has a limited impact on rural areas.
Researchers developed a technology to stack ultrathin semiconductor chips with improved integration density, overcoming challenges of chip thickness and warpage. The process enables the reliable stacking of over ten chips, potentially leading to significant improvements in AI semiconductor performance.
A study found that forecast error types influence public emotion during disasters, with anxiety and worry being the most common emotions. The researchers suggest that communicating forecast uncertainty effectively could improve public trust and reduce emotional distress during future extreme weather events.
A new gene circuit technology has enabled cells to autonomously generate programmed responses, processing multiple molecular signals at once. The RATEX platform allows cells to compute and respond to various types of molecular information.
A research team at Pohang University of Science & Technology has developed a next-generation semiconductor with enhanced performance and stability. The breakthrough solution, called 'Volatile Surface Reconstruction,' converts unreacted tin ions into a volatile compound that volatilizes, while creating a self-protective layer to shield ...
A Korean research team identified surface oxidation occurring during dehydration as the true cause of performance degradation in promising next-generation battery materials. They developed a new liquid-phase bubbling dehydration process that suppresses surface oxidation and improves battery performance.
A Korean research team created an underwater acoustic lens capable of focusing sound precisely at a desired point while reducing weight by about 40% compared to conventional designs. The findings have significant implications for underwater communication, marine environmental monitoring, and acoustic energy transfer.
Researchers develop a new strategy to control electronic and magnetic properties of oxide thin films through nanoparticle exsolution, resulting in giant insulator-to-metal transition and room-temperature superparamagnetism
A POSTECH research team has created an automated, modular system for assembling reconstituted cell-free systems, significantly reducing costs by 95% and preparation time to 2 days. This innovation enables the customization of individual components, paving the way for improved biologically engineered high-value therapeutics.
Researchers have identified a mechanism to improve energy efficiency by converting wasted heat into electricity using hollow silicon nanotubes. This technology has the potential to replace rare metals with abundant silicon, leading to more efficient thermoelectric devices.
Researchers designed artificial proteins that simultaneously form pentagonal and hexagonal arrangements to create virus-like structures. These structures can stably carry drugs, genetic materials, and enzymes within their interior space.
TurboLynx, developed by POSTECH researchers, analyzes complex, interconnected data up to 184 times faster than existing systems. The engine groups similar data together and processes them collectively, reducing unnecessary memory usage and enabling efficient analytical queries.
Researchers developed an interferometric second-harmonic generation imaging approach to identify antiparallel domains and detect hidden structural defects in hBN thin films. The study finds that SHG intensity is closely associated with differences in crystal orientation and destructive interference between domains.
A POSTECH research team developed a haptic device that can operate inside MRI scanners, enabling the measurement of brain activity during VR experiences. The study found that adding tactile feedback increased brain activation in areas responsible for motor control, attention, and cognitive processing.
Researchers developed a transistor technology that enables a single device to perform multiple circuit functions simultaneously, simplifying circuit design and increasing data processing speed. The new approach reduces required transistors by 75% and increases data processing speed fourfold.
Researchers at POSTECH develop technology that lowers contact resistance by 50-fold and boosts on-state current by 17 times in ultra-thin tellurium transistors. This breakthrough enables stable operation of devices even at extreme temperatures, paving the way for next-generation 3D integrated circuits.
A research team led by POSTECH developed an AI framework that can predict and account for microscopic defects in metal 3D printing, improving the reliability of metal components. The framework achieves a Mean Absolute Error (MAE) of just 9.51 MPa, outperforming conventional approaches.
Researchers discovered that sea squirts package adhesive materials into nanocondensates, which deliver them to the destination and unpack for use. This mechanism is distinct from mussels' adhesion strategy, providing clues for developing bio-adhesives to assist in seaweed cultivation.
Researchers developed a memory technology that stores data using almost no electricity by controlling spin states through temperature changes. The approach reduces energy consumption by up to 66 times compared to existing methods, making it suitable for low-power memory technologies.
A research team at Postech has developed a next-generation laser emission platform capable of precise color control under battery-level low voltage. The technology achieves ultra-high color purity and continuous spectral tunability within a single device, overcoming limitations of conventional display light sources.
A breakthrough in computer-designed thermoelectric generators has achieved more than eight times better efficiency than conventional designs. The innovative approach uses topology optimization to precisely control heat flow and minimize electrical resistance.
A new study by POSTECH researchers found that the protein tau interacts with DNA during cell division, forming condensates that capture microtubules. This interaction affects chromosome alignment and can lead to cellular abnormalities even in healthy cells.
Researchers at Pohang University of Science & Technology discovered a way to prime skin cells for regeneration before injury, enabling rapid and effective healing. This approach, called mosaic partial reprogramming, reshapes surrounding cells and tissue microenvironment to accelerate wound healing.
A team of researchers from Pohang University of Science & Technology has identified the underlying cause of water's unique properties, solving a fundamental mystery in science. They have observed water's liquid-liquid critical point, which marks the transition from two distinct liquid states into a single supercritical liquid state.
A Korean research team developed a spinal cord stimulator that softens upon contact with bodily fluids, mimicking surrounding nerve tissue. The device uses liquid metal and variable stiffness structures to achieve stable signal transmission and reduced costs.
Researchers have repurposed a bacterial DNA synthesis system to enable DNA to act as an active 'field agent' inside living cells. This allows for the creation of programmable DNA fragments that can regulate gene expression and control protein behavior.
A study by researchers at Pohang University of Science & Technology discovered that engineered disorder can amplify transverse electron transport in magnetic materials. The findings suggest that deliberately using disorder in materials design could lead to new opportunities in spintronics and thermoelectric energy-conversion technologies.
Recent advances in photonic nanomaterials and healthcare devices have led to the development of wearable and implantable medical devices. These devices utilize light for precise manipulation of cells and tissues, offering new possibilities for early disease detection, light-based therapies, and personalized precision medicine.
A conductive bioglue was developed to ensure firm adhesion and stable electrical signaling within the human body. It overcomes challenges in connecting damaged tissues or attaching bioelectronic devices, promoting muscle and nerve regeneration and stable implant stability.
Researchers found that removing typhoon-induced precipitation leads to sharply declining soil moisture and more severe drought conditions worldwide. The effect of typhoons varies by region, acting as a condition that exacerbates drought in some areas, while mitigating it in others.
Researchers developed a spray shield that adheres to transplant organs using mussel-derived adhesive protein, reducing immune rejection and its side effects. This innovation enables targeted delivery of immunosuppressants directly to the transplanted site, increasing success rates in xenograft transplantation.
Researchers developed a wearable vibration sensor capable of detecting subtle body movements without external power, opening new possibilities for healthcare technologies. The sensor accurately captures physiological signals and detects extremely faint vibrations across a broad frequency range.
A study analyzing news reports, social media posts, and internet search data during the 2022-2023 South Korea drought found that public views change depending on problem size and distance from people. Public interest, emotions, and behavior also shifted as the disaster scale changed.
A research team has developed a 'SUPER' platform that utilizes synthetic small RNAs as add-on controllers for genetic switches. This technology enhances the performance and stability of gene regulatory devices by addressing the issue of 'leakage', where genes continue to express at low levels even in the 'OFF' state.
A study published in Microbiome found that gut microbiome-derived butyrate activates immune cells to enhance vaccine efficacy by promoting T follicular helper (Tfh) cell activity and mucosal antibody production. This discovery highlights the crucial role of gut environment regulation in controlling infections and enhancing vaccine resp...
Researchers at Pohang University of Science & Technology developed a secure hologram platform that stores information using the wavelength of light and spacing between metasurface layers. The technology enables information processing using light alone, without electrical power or electronic chips.
Researchers have discovered that twisting and stacking oxide crystals can create specific atomic configurations that act as an 'invisible fence' to trap or repel electrons. The study reveals charge disproportionation due to subtle distortions in oxygen octahedra, leading to altered electron accumulation patterns.
Researchers developed a new 'frequency-multiplexed elastic metasurface' that can precisely direct elastic waves at distinct frequencies onto different locations, enhancing signal intensity by up to 48 times. This technology breaks the conventional belief that one structure can perform only one function.
Steatotic liver disease can be precisely assessed using three-dimensional ultrafast vascular ultrasound. The technology visualizes subtle microvascular changes, enabling real-time monitoring of disease progression and therapeutic response.
Researchers developed an anode-free lithium metal battery that delivers nearly double driving range using the same battery volume. The battery's volumetric energy density of 1,270 Wh/L is nearly twice that of current lithium-ion batteries used in electric vehicles.
A new hybrid anode technology has been developed that delivers higher energy storage while reducing thermal runaway and explosion risks. The 'magneto-conversion' strategy applies an external magnetic field to ferromagnetic manganese ferrite conversion-type anodes, promoting uniform lithium ion transport and preventing dendrite formation.
Researchers from POSTECH found that aluminum reduces internal structural distortion in cathodes, preventing oxygen holes and shortening battery life. By adding a small amount of aluminum, the team extends battery lifespan while improving energy density.
A new AI model uses machine learning to predict drug toxicity in humans by identifying biological differences between cells, mice, and humans. The model improved predictive power over existing state-of-the-art models and demonstrated practicality in predicting market withdrawal due to toxicity.
A South Korean research team has discovered a molecular-level mechanism to switch the charge polarity of organic polymer semiconductors by adjusting the concentration of a single dopant. This enables polymers to exhibit both p-type and n-type characteristics, eliminating the need for separate materials or complex device architectures.