Nuclear Energy News -- ScienceDaily

Nuclear Energy Research. Nuclear power, fission and fusion, tabletop accelerators, and more. Read the latest scientific research on nuclear energy.
Nuclear Energy News -- ScienceDaily
  1. Quick and easy way to shut down instabilities in fusion devices
    Scientists have discovered a remarkably simple way to suppress a common instability that can halt fusion reactions and damage the walls of reactors built to create a "star in a jar."
  2. Superconductivity research reveals potential new state of matter
    A potential new state of matter is being reported with research showing that among superconducting materials in high magnetic fields, the phenomenon of electronic symmetry breaking is common. The ability to find similarities and differences among classes of materials with phenomena such as this helps researchers establish the essential ingredients that cause novel functionalities such as superconductivity.
  3. New SQUID-based detector opens up new fields of study with new level of sensitivity
    Investigators have developed a new sensor array-based instrument that offers ultra-low noise detection of small amounts of energy for a number of applications. The new device allows for the collection of data from many more detectors than was previously possible.
  4. Analysis highlights failings in US's advanced nuclear program
    Despite repeated promises over the past 18 years, the US Office of Nuclear Energy (NE) is unlikely to deliver on its mission to develop and demonstrate an advanced nuclear reactor by the mid-21st century.
  5. Updated computer code improves prediction of particle motion in plasma experiments
    A computer code used by physicists around the world to analyze and predict tokamak experiments can now approximate the behavior of highly energetic atomic nuclei, or ions, in fusion plasmas more accurately than ever.
  6. Scientists probe the conditions of stellar interiors to measure nuclear reactions
    Most of the nuclear reactions that drive the nucleosynthesis of the elements in our universe occur in very extreme stellar plasma conditions. This intense environment found in the deep interiors of stars has made it nearly impossible for scientists to perform nuclear measurements in these conditions -- until now.
  7. World's smallest neutrino detector observes elusive interactions of particles
    In 1974, a Fermilab physicist predicted a new way for ghostly particles called neutrinos to interact with matter. More than four decades later, a team of physicists built the world's smallest neutrino detector to observe the elusive interaction for the first time.
  8. Climate change poses threat to European electricity production
    The vulnerability of the European electricity sector to changes in water resources is set to worsen by 2030 as a consequence of climate change, conclude researchers.
  9. The first light atomic nucleus with a second face
    To some degree of approximation, atomic nuclei look like spheres which in most cases are distorted to a greater or lesser extent. When the nucleus is excited, its shape may change, but only for an extremely brief moment, after which it returns to its original state. A relatively permanent 'second face' of atomic nuclei has so far only been observed in the most massive elements. In a spectacular experiment, physicists have registered it in a light nucleus.
  10. Why a single nuke's impact shouldn't only be measured in megatons
    A single nuclear warhead could cause devastating climate change, resulting in widespread drought and famine that could cost a billion lives, warn researchers.
  11. First hot plasma edge in a fusion facility demonstrated
    Two major issues confronting magnetic-confinement fusion energy are enabling the walls of devices that house fusion reactions to survive bombardment by energetic particles, and improving confinement of the plasma required for the reactions. Researchers have now found that coating tokamak walls with lithium-- a light, silvery metal-- can lead to progress on both fronts.
  12. New technique 'sees' radioactive material even after it's gone
    A new technique allows researchers to characterize nuclear material that was in a location even after the nuclear material has been removed -- a finding that has significant implications for nuclear nonproliferation and security applications.
  13. Quantum probes dramatically improve detection of nuclear spins
    Researchers have demonstrated a way to detect nuclear spins in molecules noninvasively, providing a new tool for biotechnology and materials science. Important research in medicine and biology relies on nuclear magnetic resonance (NMR) spectroscopy, but until now, it has been limited in spatial resolution and typically requires powerful microwave fields. Scientists have now used a quantum probe to perform microwave-free NMR at the nanoscale.
  14. Long duration experiments reach 1,000th day
    The first experiment placed on Diamond’s Long Duration Experimental (LDE) facility, on beamline I11, has now been in place for 1,000 days. The experiment has used the world-leading capabilities of the beamline to investigate the hydration of cements used by the nuclear industry for the storage and disposal of waste.
  15. How do impurities move in tungsten?
    A new method for investigating at high-speed utilizing a supercomputer the migration paths of plasma particles (impurity atoms) that emerged inside the fusion reactor materials has been developed by scientists.
  16. 'Noise thermometry' yields accurate new measurements of Boltzmann constant
    By measuring the random jiggling motion of electrons in a resistor, researchers have contributed to accurate new measurements of the Boltzmann constant, a fundamental scientific value that relates the energy of a system to its temperature.
  17. Breakthrough in nuclear threat detection science
    Taking inspiration from an unusual source, a research team has dramatically improved the science of scintillators -- objects that detect nuclear threats. According to the team, using organic glass scintillators could soon make it even harder to smuggle nuclear materials through America's ports and borders.
  18. Neutron-rich nucleus shapeshifts between a rugby ball and a discus
    There are two coexisting, competing quantum shapes at low energy in 98Kr, never before seen for neutron-rich Kr isotopes, report scientists. The team also showed that these isotopes experience a gentle onset of deformation with added neutrons, in sharp contrast with neighboring isotopes of rubidium, strontium, and zirconium, which change shapes suddenly at neutron number 60. This study marks a decisive step towards an understanding of the limits of this quantum phase transition region.
  19. Protein mingling under blue light
    One of the current challenges in biology is to understand rapidly-changing phenomena. Interestingly, only a small fraction of them is due to proteins acting in isolation, the majority of biological events are regulated by proteins acting together in clusters. Researchers have developed a new tool, called "CRY2clust", to trigger protein cluster formation in response to blue light. This new technique has a much faster response rate and higher sensitivity to light than existent methods.
  20. Deceleration of runaway electrons paves the way for fusion power
    Fusion power has the potential to provide clean and safe energy that is free from carbon dioxide emissions. However, imitating the solar energy process is a difficult task to achieve. Two young plasma physicists have now taken us one step closer to a functional fusion reactor. Their model could lead to better methods for decelerating the runaway electrons, which could destroy a future reactor without warning.
  21. Zig-zagging device focuses high-energy radiation emissions
    Equipment used in cancer treatment requires a strong, monochromatic source of radiation to produce hard X-rays. Other similar radiation sources find applications in nuclear waste processing. To design devices that steadily emit a specific type of radiation, physicists use a special kind of crystal, referred to as a crystalline undulator. Scientists have now demonstrated the ability to control radiation emissions from a particle traveling through such a device.
  22. Physicists use numerical 'tweezers' to study nuclear interactions
    Researchers have developed numerical 'tweezers' that can pin a nucleus in place, enabling them to study how interactions between protons and neutrons produce forces between nuclei.
  23. Study improves remote detection of hazardous radioactive substances
    A new method has been proposed that might be used to detect nuclear hazards from up to a few hundred meters away.
  24. Diagnostic radiation exposure safe for children, experts state
    Exposure to medical imaging radiation not only doesn't increase an adult person's risk of getting cancer, it doesn't increase a child's risk. Researchers state that the long-held belief even low doses of radiation, such as those received in diagnostic imaging, increase cancer risk is based on an inaccurate, 70-year-old hypothesis and leads to unnecessary fear and misdiagnoses.
  25. New-generation material removes iodine from water
    New material scrubs iodine from water for the first time and could hold the key to cleaning nuclear accidents.
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