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Microreactors could offer unique mobility and flexibility—opening the possibility for nuclear energy to reach isolated areas.

Oak Ridge National Laboratory scientists are evaluating paths for licensing remotely operated microreactors, which could provide clean energy sources to hard-to-reach communities, such as isolated areas in Alaska.

ORNL nuclear engineer Chris Petrie

Oak Ridge National Laboratory is using ultrasonic additive manufacturing to embed highly accurate fiber optic sensors in heat- and radiation-resistant materials, allowing for real-time monitoring that could lead to greater insights and safer reactors.

Nuclear—Deep space travel

By automating the production of neptunium oxide-aluminum pellets, Oak Ridge National Laboratory scientists have eliminated a key bottleneck when producing plutonium-238 used by NASA to fuel deep space exploration.

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Scientists from Oak Ridge National Laboratory performed a corrosion test in a neutron radiation field to support the continued development of molten salt reactors.

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With an organ-on-a-chip technology, scientists at Oak Ridge National Laboratory are testing the effects of radiation on cells that mimic human respiration.
ORNL is again hosting a workshop focused on the next generation of molten salt reactors.

Experts focused on the future of nuclear technology will gather at Oak Ridge National Laboratory for the fourth annual Molten Salt Reactor Workshop on October 3–4.

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To improve models for drilling, hydraulic fracturing and underground storage of carbon dioxide, Oak Ridge National Laboratory scientists used neutrons to understand how water flows through fractured rock.
A novel technique can help protect the innermost wall in a fusion reactor from the energy created when hydrogen isotopes are heated to temperatures hotter than the sun. Photo by General Atomics
Fusion scientists from Oak Ridge National Laboratory, as part of the DIII-D National Fusion Facility team at General Atomics, are studying an approach to insulate the reactor’s innermost wall that surrounds the burning plasma from the energy created when hydrogen isotopes are heated...
Oak Ridge National Laboratory
Neutron measurements at Oak Ridge National Laboratory’s Spallation Neutron Source are giving physicists new insight into the behavior of quantum magnets. A research team led by Young-June Kim from the University of Toronto used neutron spectroscopy to observe a novel type of energ...
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Inspections will play a crucial role in the decisions to extend operating licenses for many of the nation’s aging nuclear power plants, and Oak Ridge National Laboratory has a tool that could help. “The question that needs to be answered is whether the concrete structures th...