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143 Current news about the topic reactors

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Physicists propose a new method for monitoring nuclear waste

Scenarios for using neutrino detectors in nuclear interim storage facilities

07-Dec-2017

New scientific findings suggest neutrino detectors may play an important role in ensuring better monitoring and safer storage of radioactive material in nuclear waste repository sites. Researchers at Johannes Gutenberg University Mainz (JGU) in Germany have made calculations to ascertain the ...

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IceCube experiment finds Earth can block high-energy particles from nuclear reactions

24-Nov-2017

For the first time, a science experiment has measured Earth's ability to absorb neutrinos -- the smaller-than-an-atom particles that zoom throughout space and through us by the trillions every second at nearly the speed of light. The experiment was achieved with the IceCube detector, an array of ...

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A fast reactor system to shorten the lifetime of long-lived fission products

15-Nov-2017

A team of scientists at Tokyo Institute of Technology (Tokyo Tech) working in collaboration with Tohoku University, Tokyo City University and the Japan Atomic Energy Agency has proposed a novel approach to tackle the problem of radioactive waste disposal. The new method could dramatically reduce ...

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A detailed look at 2-D structure of turbulence in tokamaks

17-Oct-2017

A key hurdle for fusion researchers is understanding turbulence, the ripples and eddies that can cause the superhot plasma that fuels fusion reactions to leak heat and particles and keep fusion from taking place. Comprehending and reducing turbulence will facilitate the development of fusion as a ...

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New model for bimolecular reactions in nanoreactors

07-Aug-2017

Theoretical physicists have devised a mathematical model of two different molecules reacting within so called nanoreactors that act as catalysts. They gained surprising new insights as to what factors promote reactions and how to control and select them. The model is relevant for a wide range of ...

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New-generation material removes iodine from water

09-Jun-2017

Researchers at Dartmouth College have developed a new material that scrubs iodine from water for the first time. The breakthrough could hold the key to cleaning radioactive waste in nuclear reactors and after nuclear accidents like the 2011 Fukushima disaster. The new-generation microporous ...

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Cold conversion of food waste into renewable energy and fertilizer

02-Jun-2017

Researchers from Concordia's Department of Building, Civil and Environmental Engineering (BCEE) in collaboration with Bio-Terre Systems Inc. are taking the fight against global warming to colder climes. Their weapon of choice? Cold-loving bacteria. In a study authors Rajinikanth Rajagopal, David ...

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US nuclear regulators greatly underestimate potential for nuclear disaster

29-May-2017

The U.S. Nuclear Regulatory Commission (NRC) relied on faulty analysis to justify its refusal to adopt a critical measure for protecting Americans from the occurrence of a catastrophic nuclear-waste fire at any one of dozens of reactor sites around the country, according to an article in the May ...

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Lithium oxide on tokamak walls can improve plasma performance

23-May-2017

Lithium compounds improve plasma performance in fusion devices just as well as pure lithium does, a team of physicists at the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) has found. The research was conducted by former Princeton University physics graduate student ...

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Coatings for nuclear fuel preventing explosions in reactors

Protective titanium nitride-based coatings will be a barrier protecting zirconium fuel rods

18-May-2017

Physicists from Tomsk Polytechnic University are creating protective titanium nitride-based coatings for shells of fuel elements (fuel rods) of nuclear reactors. Such shells can significantly reduce hydrogenation of containers in which nuclear fuel is placed, extend their service life and protect ...

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