Researchers at Princeton University have created a semiconductor that can change its properties in response to light, enabling the creation of energy-efficient sensors and computing technologies. This breakthrough material is just a few molecules thick and can be programmed, erased, and reprogrammed with light.
Researchers at Princeton University used AI to analyze how drugs affect cell structures, finding new shapes linked to disease and discovering a novel drug effect. The neural network identified cap, necklace, and flower shapes, with the latter indicating a previously unknown role of an enzyme in maintaining nucleolar organization.
Researchers at Princeton University developed a system to mimic natural structures' microstructural patterns and mechanical properties. By combining origami and tensegrity, they found that the same equation describes both engineering structures, enabling designers to create irregular shapes with less computational complexity.
Researchers at Princeton University have developed a 3D device that combines living brain cells with advanced electronics to recognize patterns using computational techniques. The device creates a vast 3D network of neurons that can be used for computation, offering a potential solution to the energy bottleneck in modern AI technology.
Soft robots could work as medical implants, deliver drugs inside the body, and explore dangerous environments. The researchers designed a reconfigurable robot that can move repeatedly without degradation, using targeted heating to control motion and embedded temperature sensors for closed-loop control.
A study by Princeton University researchers found that high-fat diets contribute to aggressive breast cancer growth, with tumors fed fatty acids forming hollow appendages. The team's 3D model showed that a ketogenic diet did not provide the expected benefits for this type of cancer.
Research from Princeton University reveals that nations globally underreport greenhouse gas emissions from wastewater facilities by up to 27%. Accurate estimates are crucial for sound public reporting and practical decision-making in the wastewater sector. The study finds that wastewater systems offer strong options for emissions reduc...
Researchers at Princeton University and the University of Arizona created a detailed map of groundwater levels across the US using direct measurements and AI methods. The map estimates 306,000 cubic kilometers of water, more than 13 times the volume of all Great Lakes combined.
A team of Princeton engineers studied grasshopper gliding to develop a model for multimodal locomotion in tiny robots. They successfully created a glider that can fold its wings and change strategies depending on the situation, achieving performance comparable to actual grasshoppers.
Researchers at Princeton University have developed a new technique to convert low-energy light into high-energy LEDs, improving the ability to upconvert green light to blue or ultraviolet light. The method uses plasmonics to boost upconversion on a thin metal film, reducing the power needed by 19 times compared to previous setups.
Researchers at Princeton University developed a machine learning tool to predict the stability of MOF structures, allowing for faster discovery of advanced materials. The tool achieved accurate predictions 97% of the time and could lead to breakthroughs in battery chemistry, carbon capture, and clean water access.
Researchers at Princeton University developed a diamond-based quantum sensor that uncovers rich new information about magnetic phenomena at the atomic scale. The technique provides key insight into materials like graphene and superconductors.
The Princeton team designed a new qubit that lasts over 1 millisecond, three times longer than the best ever reported in a lab setting. This breakthrough enables efficient error correction and scalability for industrial systems, marking the largest single advance in coherence time in over a decade.
Researchers at Princeton University have found a way to use treated wastewater instead of pure water for hydrogen production, reducing treatment costs by up to 47% and energy costs by about 62%. The method involves acidifying the water with sulfuric acid, which maintains ion conductivity and enables continuous hydrogen production.
Researchers measured gas emissions from 96 US wastewater plants, finding they produce 1.9-2.4 times more nitrous oxide and methane than previously thought. This means taking steps to improve a small number of plants can have a significant impact on overall pollution.
Researchers at Princeton University have developed a new type of origami that changes its shape and properties in response to external stimuli. By introducing elastic components, they can execute precise folding patterns not previously possible. This technology has potential applications in prosthetics, antennas, and other devices.
Researchers at Princeton University found that major tropical eruptions create distinct flooding patterns depending on plume location and dispersal. The patterns mostly divide along the line of the equator, with increased rainfall in the tropics in one hemisphere and decreased flooding.
Computer scientists at Princeton University are working on a system that pairs virtual reality with a physical robot, allowing users to seamlessly interact with the physical world. The technology enables tasks like selecting an object across the room or erasing physical objects from view, creating a more immersive experience.
Researchers at Princeton University have developed a machine-learning system that can shape ultrahigh frequency transmissions to avoid obstacles, allowing for real-time adaptation in dynamic environments. This breakthrough could enable the widespread adoption of sub-terahertz frequencies for high-speed data transmission in applications...
A new Princeton analysis suggests that enhanced geothermal systems (EGS) could become the third most significant clean energy technology in the US by 2050. EGS has the potential to deploy up to 250 gigawatts of electricity, which is comparable to the current grid capacity of 1,200 gigawatts.
Researchers identified four clinically and biologically distinct subtypes of autism, each with distinct developmental, medical, behavioral, and psychiatric traits. The study linked subtypes to genetic profiles and developmental trajectories, offering new insights into the biology underlying autism.
Researchers developed a technique to peer inside the nucleolus and reveal its hidden system of creation, allowing them to watch RNA molecule movement and track protein-making machine assembly. The new method uses advanced imaging and genomics techniques without destroying the cell, providing a precise spatial and temporal map.
A team of researchers at Princeton University and Harvard found that fish schools do not form diamond shapes as previously believed. Instead, they adopt a dynamic ladder pattern, allowing them to stagger in multiple planes and reduce energy expenditure.
Researchers developed models to quantify the risk of catastrophic blackouts during hurricanes and forecast climate impacts on energy systems. Their work aims to inform grid upgrades and navigate clean energy targets while maintaining reliability.
New research led by Princeton University demonstrates that Australia can fully decarbonize its domestic and energy export economies by 2060 while avoiding harm to important areas for biodiversity outcomes. The study proposes a 'traffic-light' approach for siting renewable infrastructure, identifying suitable lands for development and t...
Engineers at Princeton University and Georgia Institute of Technology have created a method to reinforce structures without creating new weaknesses. The approach uses microstructures designed to protect against multiple loads, allowing designers to counter various stresses simultaneously.
Researchers at Princeton University developed a 'metabot' material that can expand, assume new shapes, move, and respond to electromagnetic commands. The metamaterial's complex behavior is enabled by chirality, allowing it to defy typical physical object rules.
A new Princeton startup has developed a technology to boost minerals production from evaporation ponds, doubling the efficiency of lithium and nitrate extraction. The innovation uses a black disc with an anti-fouling coating to accelerate evaporation rates, alleviating the need for large-scale construction of new ponds.
Researchers developed a recycling process for cement waste into a low-carbon, high-strength material that can replace traditional Portland cement. The new cement blend reduces carbon intensity and enables new uses for construction and demolition waste.
The regulations could roughly double emissions reductions from the power sector in 2040, falling 51% from 2022 levels if maintained, compared to 26% without the rules. The vast majority of reductions would come from accelerating coal-fired plant retirements.
Researchers used reinforcement learning to simulate coastal defense strategies against sea level rise and flooding, finding dynamic seawalls to be more cost-effective than traditional methods. The study aimed to address uncertainty in long-term climate change mitigation efforts and provide a flexible approach for communities to prepare...
A team of researchers, led by Kelsey Hatzell from Princeton University, has made breakthroughs in developing anode-free solid-state batteries. These batteries have the potential to store more energy in less space and operate with high performance at a wider range of temperatures.
Researchers developed a low-power, high-frequency signal transmission tag that can efficiently reflect signals at untapped frequencies, eliminating the need for power-hungry signal transmitters. This technology enables real-time monitoring in industrial settings and has potential applications in smart cities and agriculture.
A simulation mapping underground water on a continental scale reveals that rainfall and snowmelt flow much farther underground than previously thought. The study also shows that more than half of the water in streams originates from aquifers previously believed to be too deep for streams.
Researchers at Princeton University have developed an AI-powered system to design complex wireless chips, reducing time and cost. The AI creates intricate electromagnetic structures that improve performance and efficiency, often in ways that human designers cannot understand.
Researchers at Princeton University discovered that certain bacteria can reduce a plant's immune activity, allowing its roots to grow longer. The study identified an enzyme produced by one of these bacteria as the key factor in this process, which could have implications for understanding microbiome interactions with host immune systems.
Researchers warn that refining nickel, cobalt, and other minerals for electric vehicle batteries could increase sulfur dioxide emissions by up to 20% in China and India. The study highlights the need for countries to think strategically about building clean supply chains as they develop decarbonization plans.
Princeton engineers create soft plastics with programmed stretchiness and flexibility that are also recyclable and inexpensive. The material's internal structure is controlled to achieve stiffness and stretchiness in different regions of an object.
A new eavesdropping technology has been developed to intercept underwater messages from the air, posing significant security risks. The device uses radar to decode tiny vibrations on the water's surface, allowing for location identification and message interception.
New algorithm CALDERA enables leaner LLMs with improved performance, reducing costs, energy consumption and privacy risks. This allows organizations to adapt models to their specific needs without sharing sensitive data, enhancing user privacy.
Scientists at Princeton University develop a system of two robots connected by flexible tether, enabling them to solve complex problems like maze navigation and object gathering. The innovative approach harnesses physical characteristics rather than digital calculation to achieve remarkable abilities.
Researchers at Princeton University developed a new technology inspired by bird feathers, which improves flight performance and prevents stalling. The covert-inspired flaps deploy in response to changes in airflow, offering an inexpensive and lightweight method to increase flight performance without complex machinery.
New research led by energy systems modelers at Princeton University demonstrates that retiring coal plants based on minimizing costs could leave other climate and equity benefits on the table. Retiring half of Pennsylvania's coal plants under a climate- or equity-focused strategy could reduce carbon emissions, air pollution, and deaths...
The new material resists cracking and avoids sudden failure, unlike conventional brittle cement-based counterparts. By manipulating the structure of the material itself, researchers achieve significant improvements in toughness without additional material.
Researchers developed a system to effectively split transmissions from a single antenna array into multiple beams without additional hardware, allowing satellites to overcome the one-to-one user ratio. This enables significant reductions in cost and power consumption, potentially leading to fewer satellites, smaller satellites, or both.
Scientists have found a way to rearrange DNA strands using light, enabling precise control over gene expression and potential new treatments for disease. The new method uses liquid-like droplets to manipulate DNA, revealing the material nature of chromosomes.
By combining design schemes with robotic additive manufacturing, researchers increased crack resistance in concrete by up to 63% compared to conventional cast concrete. The technique relies on mechanisms that shield cracks, interlock fractured surfaces, or deflect cracks from a straight path.
A survey of Pennsylvanians and policymakers reveals bipartisan support for solar energy and other renewables, but elected officials underestimate their constituents' preferences. The study highlights the need for clear communication between the public and local representatives to ensure informed decision-making about energy projects.
Researchers at Princeton and UCLA developed a passive mechanism to cool buildings in summer and warm them in winter by restricting radiant heat flows. Common materials like polyvinyl fluoride and plastics can be adapted for this purpose, achieving energy savings and thermal comfort beyond traditional building envelopes.
Researchers at Princeton University have developed a new cement composite that mimics the strength and flexibility of seashells, increasing crack resistance and ductility. The composite, inspired by nacre's microstructure, exhibits improved fracture toughness and deformability, making it potentially tougher, safer, and more durable.