Nuclear Energy
Chemical bond formation showing a transition from physisorption to chemisorption  Science Magazine · 6 days
Surface molecules can transition from physisorption through weak van-der-Waals forces to a strongly bound chemisorption state by overcoming an energy barrier. We show that a CO molecule adsorbed... more
Students make neutrons dance beneath university campus  SCIENCE DAILY · 1 week
Nuclear reactors are still the primary source for strong neutron beams to create isotopes for geologic dating, radiography and medicine, but researchers have now enlisted engineering students in building a tabletop neutron source that... more
Boutique neutrons advance 40Ar/39Ar geochronology  Science Magazine · 1 week
We designed and tested a compact deuteron-deuteron fusion neutron generator for application to 40Ar/39Ar geochronology. The nearly monoenergetic neutrons produced for sample irradiation are anticipated to provide several advantages compared with conventional fission spectrum neutrons: Reduction of collateral... more
Japan still weighing dump of Fukushima radioactive water into ocean  PHYS.ORG · 1 week
Japan's top government spokesman slapped down the environment minister on Tuesday after he said there was "no other option" but to release radioactive water from the crippled Fukushima... more
'Resonance' raman spectroscopy with 1-nanometer resolution  PHYS.ORG · 2 weeks
Tip-enhanced Raman spectroscopy resolved "resonance" Raman scattering with 1-nm resolution in ultrathin zinc oxide films epitaxially grown on a single-crystal silver surface. Tip-enhanced "resonance" Raman scattering can be used to investigate a specific chemical structure at... more
Laser-based ultrasound approach provides new direction for nondestructive testing  PHYS.ORG · 2 weeks
Many industrial buildings, including nuclear power plants and chemical plants, rely on ultrasound instruments that continually monitor the structural integrity of their systems without damaging or altering their features. One... more
Going small to determine where nuclear material came from and how it was made  PHYS.ORG · 3 weeks
Until recently, the analysis and identification of nuclear fuel pellets in nuclear forensics investigations have been mainly focused on macroscopic... more
Atomically packed boundaries resist cracking  nanowerk · 3 weeks
Researchers used high energy X-rays to image the crack and also the grains inside a material in terms of size, shape, and position. Importantly, the new advances also determine the crystallographic orientation of the atomic arrangements in each... more
Programmed chromosome fission and fusion enable precise large-scale genome rearrangement and assembly  Science Magazine · 3 weeks
The design and creation of synthetic genomes provide a powerful approach to understanding and engineering biology. However, it is often limited by the paucity... more
Structure of protein nanoturbine revealed  PHYS.ORG · 4 weeks
Cells rely on protein complexes known as ATP synthases or ATPases for their energy needs. Adenosine triphosphate (ATP) molecules power most of the processes sustaining life. Structural biologist Professor Leonid Sazanov and his research group from the Institute... more
New technique could streamline design of intricate fusion device  PHYS.ORG · 4 weeks
Stellarators, twisty machines that house fusion reactions, rely on complex magnetic coils that are challenging to design and build. Now, a physicist at the U.S. Department of Energy's (DOE) Princeton... more
Hydrogen induces high-temperature superconductivity in a monolayer material  nanowerk · 4 weeks
The latest addition in exciting properties of 2D materials has been superconductivity - the complete absence of resistance at low temperatures - clearly exciting for dissipationless (low-power, heating free) electronics. Researchers hypothesized... more
Boosting computing power for the future of particle physics  PHYS.ORG · 4 weeks
A new machine learning technology tested by an international team of scientists including MIT Assistant Professor Philip Harris and postdoc Dylan Rankin, both of the Laboratory for Nuclear Science, can... more
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