Articles tagged with Nuclear Energy
Researchers from MIPT and TISNCM developed a new type of nuclear battery using nickel-63 that packs about 3,300 milliwatt-hours of energy per gram, exceeding previous records. The battery achieves a power density 10 times higher than commercial chemical cells, making it suitable for powering small devices.
A new study by ICTA-UAB analyzes the impacts of substituting fossil fuels for cleaner energies on lifestyles. The researchers conclude that renewable energy sources must grow at a rate two to three times current projections to maintain net energy per capita.
Researchers at Argonne National Laboratory found that nuclear power plants can adjust to changing demand for power, enabling the use of more renewable energy. This flexibility can lower electricity costs for consumers and reduce greenhouse gas emissions.
Researchers developed a new method for creating extremely precise clocks using controlled nuclear transitions in thorium-229 nuclei. The frequency of transitions can be increased or decreased by dozens of times, potentially increasing precision by an order of magnitude.
Researchers at the University of Huddersfield have found that tungsten, a favored metal in nuclear fusion reactors, becomes brittle due to radiation damage. This discovery hinders the use of tungsten as a structural material, prompting the development of new alloys that can prevent embrittlement.
Researchers model asteroid destruction using miniatures and laser blasts, estimating required nuclear explosion energy. The study provides a way to experimentally evaluate asteroid destruction criteria.
Physicist Andrea Pocar and his team at UMass Amherst designed a key part of the DarkSide-50 detector, achieving high sensitivity in detecting WIMPs. The detector's double-phase argon technique shows promise in searching for low-mass WIMPs.
Researchers create conditions to test theoretical nuclear effect, capturing excited nuclei and gamma rays for the first time. This advance may improve understanding of star formation and creation of star elements.
A Brazilian researcher's study has elucidated the conditions necessary for self-sustaining nuclear fusion in tokamaks. The findings provide crucial information for the successful operation of ITER, a fusion reactor prototype designed to reproduce the sun's energy generation process.
The proposed integrated Materials Acceleration Platforms (MAPs) could cut the average time for developing a useful new material from 20 years down to one or two years. The report recommends six key areas to create these platforms, including self-driving laboratories, AI for materials discovery, and modular materials robotics.
Researchers at Idaho National Laboratory have developed a new fuel cell technology powered by solid carbon, which can utilize three times as much carbon as earlier designs. The innovation enables lower temperatures and higher power densities, making it potentially more efficient than conventional hydrogen fuel cells.
Researchers at University of New South Wales claim laser-driven hydrogen-boron fusion is within reach, producing high energy output without radioactivity. The breakthrough could make it possible to harness fusion energy in the next decade.
A Dartmouth study finds that nuclear energy programs have not led to an increase in proliferation among participating countries. Despite the technical ability to develop nuclear weapons, countries with energy programs face political obstacles and international scrutiny that counter this risk.
The Department of Energy's Office of Science Early Career Research Program has awarded funding to four Oak Ridge National Laboratory researchers. The selected researchers will study exotic nuclei, simulate magnetically confined fusion plasmas and investigate the role of symbiotic relationships between plants and microbes.
A new study reveals the US Office of Nuclear Energy's budget history, showing a lack of effective allocation of resources and failure to support innovative research. The researchers recommend a new approach with stricter programmatic discipline and transparent evaluation processes to identify promising reactor concepts.
The University of Pittsburgh has received a $1.275 million grant from the DOE to develop radiation-hard, multi-functional, distributed fiber sensors for improved nuclear reactor core safety and efficiency.
New research by Florida State University Professor Thomas Albrecht-Schmitt and his team reveals that a plutonium-organic hybrid compound behaves much like compounds made with lighter elements. The discovery sheds light on the electronic properties of plutonium, which could lead to breakthroughs in cleaning up nuclear waste.
NASA's MMS mission provides direct observation of kinetic Alfvén waves, revealing unexpected small-scale complexities and a higher rate of particle trapping than expected. The findings have implications for nuclear fusion technology and our understanding of the sun's solar wind.
The Quark Matter 2017 conference showcases new results on ultrarelativistic heavy-ion collisions, revealing the behavior of quarks and gluons in a primordial soup. Scientists explore the structure of nuclear matter, detecting correlations in particle characteristics to understand the dynamic behavior of quarks and gluons.
Scientists from Ludwig-Maximilians-Universitaet Munich have successfully measured the lifetime of an excited state in an unstable element, paving the way for the development of nuclear clocks. The research team has characterized the energy transition in the 229Th nucleus and achieved a breakthrough in this field.
Sun, a civil engineering and engineering mechanics professor at Columbia University, has won the award for his project on modeling high-rate responses of wetted granular materials. He aims to improve predictions of large-scale field problems using insights from small-scale observations and simulations.
A group of TIFR scientists have discovered superconductivity in pure Bismuth crystal at an extremely low temperature of 0.00053 K. The discovery cannot be explained by standard models of superconductivity, highlighting the need for a new theory.
A University of Houston engineer leads a multi-institution effort to develop monitoring techniques for stable fuel transport during transit and accidents. Researchers will study structural issues, risk analysis, and new sensing techniques to ensure spent nuclear fuel can be safely moved from temporary storage to permanent disposal sites.
Researchers propose spherical tokamaks as a design for future fusion devices, offering a compact and low-cost solution for harnessing fusion energy. The upgraded NSTX-U and MAST facilities will provide crucial data for developing commercial fusion plants.
Researchers at FSU discovered a berkelium borate compound and complex molecule, providing insights into the element's structure and chemical similarities to surrounding elements. The study also sheds light on berkelium's unique electronic properties.
Researchers developed a mathematical model to represent gluon distributions within protons, identifying fluctuations as essential for explaining experimental data. The model's results suggest that gluon fluctuations can help explain collective phenomena observed in proton-nucleus collisions.
A team of researchers from top institutions, including PNNL and Washington State University, will study the chemistry of radioactive waste to accelerate cleanup efforts. The goal is to understand how radiation affects materials and constituents in waste tanks, ultimately reducing processing time and expense.
Two USU professors will receive grants to study accident-tolerant nuclear fuels and improve computer models for reactor cooling systems. The research aims to advance understanding of fuel behavior, performance, and computational tools for improved safety.
Using the Continuous Electron Beam Accelerator Facility (CEBAF), researchers have demonstrated a method to produce polarized positrons from spinning electrons. This technique could enable new research in advanced materials and offer a new avenue for producing polarized positron beams for proposed experiments. The team successfully tran...
Researchers used machine learning to speed up the discovery of shape-memory alloys with low thermal hysteresis, critical for improving fatigue life in engineering applications. The framework iteratively guides experiments to find materials with desired target properties, cutting time and cost by half.
Researchers at UNC-Chapel Hill have adapted solar energy technology to selectively remove americium from nuclear waste pools, making storage safer and nontoxic. The breakthrough solution also opens the door to expand one of the most efficient energy sources on the planet.
Scientists have solved a key puzzle in fusion energy by understanding the behavior of plasma waves. By applying fluid flow theory, they explained an unstable wave mode that had been observed in fusion experiments, making it possible to harness clean and endless energy.
The MIT Energy Initiative welcomes Exelon as a member to advance key enabling technologies crucial to addressing climate change. The partnership aims to accelerate deployment of clean energy technologies through collaborations with academia, government agencies, and industry stakeholders.
The Daya Bay Collaboration has obtained the most precise measurement of reactor antineutrino energy spectrum ever recorded, showing a surprising excess of antineutrinos at an energy of around five million electron volts. This deviation of up to four standard deviations suggests that current calculations may need refinement.
Scientists at Diamond Light Source are pioneering research to make the nuclear fuel cycle safer, more efficient, and straightforward. They're developing new cement materials that can effectively contain radioactive waste for thousands of years.
The Daya Bay Collaboration has captured the most precise energy measurements of reactor antineutrinos, indicating two intriguing discrepancies with theoretical models. The measured energy spectrum shows a surprising excess of antineutrinos at an energy of around 5 million electron volts.
The Daya Bay Collaboration has obtained the most precise measurement of reactor antineutrinos' energy spectrum, revealing two intriguing discrepancies with theoretical predictions. The data indicates an excess of antineutrinos at an energy of around 5 million electron volts, a deviation of up to four standard deviations.
Researchers at ORNL will support two new DOE-funded projects exploring advanced nuclear reactor technologies, including molten chloride fast reactors and pebble bed high-temperature gas-cooled reactors.
Researchers develop technique to 'see' energy delivery in fast ignition, achieving record high efficiency. The new approach enables better understanding of energy flow and investigation of experimental designs.
The PPPL-designed scraper element will help physicists explore various magnetic field arrangements and plasma currents in the W7-X stellarator. The component intercepts heat from fusion reactions, reducing the risk of damage to the divertor and stellarator equipment.
Researchers are developing an electrochemical separation process to remove challenging elements like cesium and strontium from used nuclear fuel. This approach aims to create less waste, separate out nuclear waste for better management, and extend the life of electrolyte solutions.
Designing alloys to withstand extreme environments is a fundamental challenge for materials scientists. Researchers found that exploiting the complexity of equal amounts of up to four different metallic elements can lead to improved radiation resistance. The results reveal significantly reduced defect production and damage accumulation...
Researchers at Durham University have re-examined the economics of fusion, taking account of recent advances in superconductor technology. Their analysis shows that fusion energy could be financially feasible compared to traditional fission nuclear power. The study identifies new advantages in using this new technology.
The latest results from ultrarelativistic nucleus-nucleus collisions offer insight into the building blocks of matter and the hearts of neutron stars. Scientists are studying quarks and gluons in extreme conditions to understand the early universe.
Researchers at the University of Gothenburg have developed a new type of nuclear fusion process that produces almost no neutrons, instead releasing fast and heavy electrons. This allows for the creation of smaller and simpler fusion reactors with instant electrical energy production.
The study provides a high-resolution readout of the energy levels for cations from their vibrational ground state to excited states, furthering our understanding of the coupled vibrations in the Renner-Teller effect. The results also shed light on the electronic structure of organic molecules.
Switzerland seeks to replace nuclear power with a mix of renewable energy sources, including wind, photovoltaics, and hydropower. The country aims to be largely independent of fossil fuels by 2034, reducing carbon intensity through efficient production processes and substantial reductions in consumption.
Iran's national uranium enrichment plant could be sold to other countries to keep the nuclear program peaceful. Multinationalizing the program ahead of 2025 could set a standard reducing nuclear proliferation risks worldwide.
University of Washington researchers are scaling up their 'Sheared Flow Stabilized Z-Pinch' device in hopes of achieving a sustainable fusion reaction. With a $5.3 million grant, they aim to create a proof-of-principle experiment that demonstrates the concept's scalability.
Researchers have updated the TRANSP program to better simulate interactions between energetic particles and instabilities in plasma, which can affect fusion reactions. The updated code will provide a more accurate way to compute particle transport and improve simulations for future fusion facilities like ITER.
A new material developed at CU-Boulder can separate ethylene from ethane more efficiently, reducing energy consumption. This could save up to 46 million megawatt-hours of electricity per year in the US, equivalent to seven average-sized nuclear power plants.
The Explosive Destruction System (EDS) has begun destroying chemical munitions at the US Army Pueblo Chemical Depot, preparing for a larger operation to destroy 780,000 munitions containing 2,600 tons of mustard agent. The new system is designed to process stockpile munitions more efficiently than previous versions.
The U.S. Department of Energy's Argonne National Laboratory is partnering with three leading nuclear companies to address technical challenges in advanced reactor design. The partnership aims to create next-generation reactors with improved safety and efficiency.
Researchers at Sandia National Laboratories have discovered that iron's opacity plays a significant role in regulating energy transfer within the sun. By creating conditions similar to those found inside the sun, the team was able to measure the opacity of iron and close a theoretical gap in the Standard Solar Model.
Leading conservation scientists argue that nuclear energy should be part of the energy mix to mitigate climate change. The researchers evaluated different energy scenarios and found that nuclear power performs well compared to renewables, considering factors like safety, cost, scalability, land transformation, and emissions.
A French scientist has developed an open source simulation method to calculate the actual cost of relying on a combination of electricity sources. The study found that an optimal mix contains a large amount of nuclear power and a small amount of fluctuating energies like wind and solar.
A Clemson University-led research team aims to develop materials that can encase nuclear waste for safe storage. The project focuses on crystalline ceramic based on naturally occurring minerals that endure for millions of years.
A team of Clemson University researchers will use a $5.25 million grant from the US Department of Energy to advance nuclear monitoring, remediation and disposal technologies in South Carolina. The project aims to address key scientific issues related to radioactive contaminants and develop integrative models for radionuclide transport.
Researchers at Sandia National Laboratories have produced a trillion fusion neutrons using the MagLIF technique, which uses magnetic fields and a laser to preheat hydrogen fuel. The achievement demonstrates the viability of this novel approach for achieving break-even fusion.
A team of scientists from Virginia Tech has proposed using neutrino detectors to monitor plutonium production in Iran's Arak reactor. The technology can detect antineutrinos produced by fission of uranium-235 and plutonium-239, providing high-level monitoring not currently offered by any other technique.