Researchers at Princeton University developed a new millimeter-wave wireless microchip that allows secure wireless transmissions without reducing latency or efficiency. The technique shapes the transmission itself to foil would-be eavesdroppers by using interference from multiple antennas.
Bubble casting is a new way to make soft robots using 'fancy balloons' that change shape in predictable ways when inflated with air. The researchers successfully cast star-shaped hands, coils and fingers, demonstrating the potential for soft robotics applications such as harvesting produce or providing personal care.
Princeton researchers have solved a 54-year-old mystery about why certain fluids slow down under pressure when flowing through porous materials. The findings could help improve processes in oil recovery, groundwater remediation and more.
Princeton researchers create a new type of antenna array that can be used in various applications, including coating airplane wings, functioning as a skin patch for medical implants, or covering a room as wallpaper. The technology uses large-area electronics to overcome limitations of conventional silicon semiconductors and enables fle...
Researchers at Princeton University urge for increased policy support and investment in carbon capture and storage (CCS) to reduce energy sector emissions. Current storage capacity is insufficient to meet ambitious decarbonization targets, highlighting the need for strategic planning and characterization capabilities.
Using advanced microscopy techniques, researchers recorded the breaking of a single chemical bond between a carbon atom and an iron atom on different molecules. The team measured the mechanical forces applied at the moment of breakage, revealing insights into the nature of these bonds and their implications for catalysis.
Researchers adapted classical nucleation theory to understand protein assembly in cells, predicting precise locations and times for droplet formation. The approach offers a new understanding of cell biology and potential control over complex soft materials.
Scientists at Princeton University have created a novel approach to directing skin cells using an electrical field. By breaking molecular connections between cells and applying an electric field, researchers were able to improve the controllability of tissues and potentially optimize wound healing through electrical stimulation.
Princeton University researchers have created the world's smallest mechanically interlocked biological structure, a deceptively simple two-ring chain made from tiny strands of amino acids. The study demonstrates that these structures can toggle between at least two shapes, laying the groundwork for a biomolecular switch.
Experts say current approaches to relocating climate-displaced people are woefully inadequate, leading to worsening societal inequities. A new approach is needed, integrating diverse perspectives, knowledge sources, and strategies to ensure successful relocation and community thriving.
A new study provides fine-grained methods for measuring income and racial disparities in energy use intensity. The research found that households in low-income non-white neighborhoods report higher energy use intensity, reflective of lower energy efficiency and lower participation in rebate programs. Cities can now apply this method to...
Researchers at Princeton University developed a new reconfigurable structure, called bigon rings, that can change shape under variable conditions. The technique, inspired by lace making, has potential applications in space exploration, wearable technology, and other fields.
Researchers at Princeton University have created a new microchip design that enables AI systems to process data closer to the edge of computing infrastructure. The innovative design reduces power consumption and latency, making AI more accessible and efficient.
Researchers at Princeton University have developed a new manufacturing technique that uses spinning and curing to form soft, solid structures resembling artificial hairs. The method leverages simple physics to solve engineering problems and promises to play a key role in developing robotic sensing capabilities.
Researchers at Princeton University developed a platform to visualize hydrogels' hidden workings in soils, revealing that the amount of water stored is controlled by a balance between swelling force and soil pressure. This study provides guidelines for designing hydrogels that can optimally absorb water depending on soil conditions.
Researchers discovered that certain soil bacteria can break down large carbon-based molecules using enzymes, potentially leading to rapid release of CO2 from soil. This finding challenges current models of carbon storage in soil and highlights a key role for biology in climate change.
The development of programmable metasurfaces at Princeton University has the potential to significantly increase data transmission rates in wireless systems. The technology uses terahertz waves to focus transmissions in specific directions, overcoming challenges such as obstacles and distance limitations. This breakthrough could enable...
Princeton University researchers have developed a new method to design and control complex mixtures with multiple phases, mimicking the arrangement of Russian matryoshka dolls. This approach uses graph theory to predict final arrangements of phases in a mixture when surface energies are known.
Researchers developed machine learning frameworks that guarantee robots' performance in unfamiliar settings, with a guaranteed success rate of 88.4% in obstacle avoidance trials. The approach expands generalization theory to robotics, providing more broadly applicable guarantees on robot control policies.
A Princeton University study has revealed the mechanism by which microplastic particles, like Styrofoam, move through porous media, allowing them to accumulate in food and water sources. The research found that microplastics get stuck when traveling through soil but later break free and continue moving substantially further.
Researchers at Princeton University create device that excites erbium atoms using laser light, allowing control of multiple atoms without spatial information. This enables study of rich quantum mechanical behavior and entanglement in atoms at tiny distances.
Researchers at Princeton University developed a tool to uncover potential biases in visual data sets, such as stereotypical images and underrepresentation. The tool, REVISE, uses statistical methods to inspect data sets for object-based, gender-based, and geography-based biases.
Researchers found that ordinary conversation creates a conical 'jet-like' airflow that quickly carries tiny droplets from a speaker's mouth across meters of an interior space. This can lead to the transmission of diseases like COVID-19, even in the absence of visible symptoms.
Researchers have developed algorithms that can accurately identify mutations in chromosomes linked to cancer, such as loss or duplication of chromosome parts. This breakthrough yields a clearer picture of cancer evolution and spread, enabling improved diagnosis and treatment.
Researchers at Princeton University have created a system to control genetically engineered bacteria using light, allowing for precise production of chemicals and proteins. This method, called OptoLac, enables easy tuning and reversal of induction signals, reducing costs and carbon footprint.
The US fuel economy standards have been effective in reducing reliance on foreign oil and greenhouse gas emissions, saving consumers $5 trillion in fuel costs. The standards also prevented 14 billion metric tons of carbon from being released into the atmosphere, equivalent to eliminating all US emissions for nearly three years.
Researchers developed a 'Cold Tube' technology that uses radiant cooling to keep people comfortable in hot environments. This method can significantly reduce energy consumption compared to air conditioning, making it an attractive alternative for mitigating climate change.
A machine learning study conducted at Princeton University found that the meaning of words is shaped by culture, history, and geography. The researchers analyzed over 1,000 words in 41 languages and discovered that many everyday words have varying meanings across cultures.
Researchers at Princeton University developed OptoBinders, light-switchable molecular tools that control cellular processes. These antibody-like proteins can bind or release targets in response to blue light, offering new capabilities for protein purification, biofuel production, and targeted cancer therapies.
Researchers at Princeton University developed an automated system using Doppler radar to spot oncoming traffic and pedestrians around corners. The system allows cars to see objects out of line of sight, improving automotive safety.
Scientists have developed a device that can manipulate and measure cells' movements in response to electric fields, enabling new possibilities for tissue engineering. The SCHEEPDOG system allows researchers to program complex cell maneuvers, such as full circles, with thousands of neighboring cells executing on command.
Researchers at Princeton University and University of Bergamo analyzed how famous Renaissance domes were built without shoring or forms, quantitatively proving physics behind their structure. The study reveals forces that allow structures to be self-supporting, advancing modern construction techniques and potential environmental benefits.
Researchers at Princeton University and St. Jude Children's Research Hospital found that the formation of condensates depends on multiple compounds present in the cell, with compositional dependence playing a crucial role. The study demonstrates the importance of this composition dependence for the assembly of critical molecular machin...
Stress granules and P-bodies are formed when external stress halts the RNA assembly line, clumping RNA together. Researchers discovered a simple principle underlying their assembly, revealing how protein-rich compartments condense from cytoplasm into liquid droplets. This understanding may lead to new therapeutics for diseases of aging.
Researchers have created a preliminary design for giant kinetic umbrellas to provide shade during fair weather and form a flood barrier in advance of storms. The proposed structures, made of reinforced concrete, would be able to withstand acute storm surges with stability at 75% of their deployed height.
A new mathematical model developed by Princeton and Carnegie Mellon researchers improves epidemic tracking by accounting for disease mutations. The model provides critical insights into the effects of countermeasures, such as quarantines, on epidemic spread.
Bacteria form intricate starburst-like patterns as they grow on soft substrates, with wrinkles forming at the edges and propagating toward the center. The researchers developed a chemo-mechanical model to predict where wrinkles would form, corresponding well with experimental measurements.
Researchers at Princeton University have established definitive physical rules governing capsule impact, relating it to the behavior of water droplets. Their findings provide a simple model for understanding how fluid-filled capsules deform with impact, applicable to various technologies and biological functions.
Researchers at Princeton University have created a framework to understand and compare cities' food systems and their effects on climate change, water use, and land use. The study highlights the impacts of differences in meat consumption between Indian and U.S. cities, as well as differences in food processing.
Researchers at Princeton University discovered a common flaw in standard comfort measurements used for building heating and cooling systems. The globe thermometer's calculations do not account for free convection, leading to temperature errors of over two degrees Celsius.
A team of researchers from Princeton and Stanford University has developed methods to obtain fairer data sets containing images of people. They propose improvements to ImageNet, removing non-visual concepts and offensive categories, such as racial and sexual characterizations.
Researchers at Princeton University have discovered new rules for how objects absorb and emit light, resolving a decades-old discrepancy between large and small scales. This breakthrough enables scientists to optimize designs mathematically for future applications in technologies like solar panels and quantum computers.
Research by Princeton University shows a reversal of global terrestrial stilling, with wind speeds in northern mid-latitude regions increasing by 7% since 2010. This trend has significant implications for wind power generation, predicting a 17% increase in energy production and a potential 37% increase by 2024.
A Princeton University study reveals a type of foam can block specific wavelengths of light while allowing others to pass through, creating a photonic band gap. This property has the potential to control the flow of electrons in materials and could lead to breakthroughs in telecommunications.
Researchers found that warmer air and stronger storm winds contribute to wetter storms. The study analyzed over 4,000 simulated storms under current and future climate conditions, revealing a significant increase in rainfall rates due to global warming.
Researchers at Princeton University have developed a new method to precisely create droplets using a jet of liquid, offering greater flexibility and precision than standard techniques. This breakthrough enables the quick generation of drops with finely controlled sizes and locations within a 3D space.
Researchers at Princeton University explore adversarial tactics applied to artificial intelligence, which can trick systems into causing gridlock or revealing sensitive information. Machine learning systems are vulnerable to data poisoning and evasion attacks, which can compromise their performance and safety.
New studies from Princeton University reveal that individual grains of clay and human skin shrink as they dry, leading to predictable cracking patterns. This knowledge enables the creation of advanced materials with spontaneous healing properties.
Researchers found that methane from natural gas wells and offshore oil rigs is a significant contributor to greenhouse gas emissions. Controlling these emissions can have a rapid impact on climate change, with the half-life of methane in the atmosphere being just over a decade.
A soil bacterium, Acidimicrobium A6, has shown promise in breaking down difficult-to-remove pollutants like PFAS. After 100 days of observation, the bacteria removed 60% of PFAS specifically PFOA and PFOS in lab vials, demonstrating a potential solution for environmental remediation.