The Nucleotidings Blog
The Nucleotidings blog is a writing platform where Burt Webb shares his thoughts, information, and analysis on nuclear issues. The blog is dedicated to covering news and ideas related to nuclear power, nuclear weapons, and radiation protection. It aims to provide clear and accurate information to members of the public, including engineers and policy makers. Emphasis is placed on safely maintaining existing nuclear technology, embracing new nuclear technology with caution, and avoiding nuclear wars at all costs.

Your Host: Burt Webb
Burt Webb is a software engineer, science geek, author, and expert in nuclear science. Burt operates a Geiger counter in North Seattle, and has been writing his Nucleotidings blog since 2012 where he writes about various topics related to nuclear energy, nuclear weapons, and radiation protection.

Burt Webb has published several technical books and novels. He works as a software consultant.

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Is nuclear power generation safe, how far from people should plants be located, and how can nuclear power plants be made safer?

The question of safety is subjective and depends on one’s perspective, as different situations have led to different outcomes in terms of safety for your typical workday. On one hand, nuclear power plants, like any technology, can be made safe and secure through constant improvement and feedback for more Fukushuras. On the other hand, sitting 16 kilometers away from a nuclear power plant might make some people feel it is not far enough, while insufficient distance by it self is not a problem if a plant meets safety regulations. Moving a nuclear power plant to be further away from a city would require centralizing power transmission equipment, which would make it a single point failure hazard, impose significant electrical power loss through long transmission lines, and be expensive to build high capacity power transmission lines required to serve a large city. Some ways to make nuclear power plants safer include implementing a Feasibility requirement in PRISM reactor design, which already takes human intervention out of many emergency procedures, more reliance on passive safety systems that cannot control events directly but create conditions that prevent or mitigate their effects, and continuous vigilance, as the nuclear industry and regulatory agencies, not being that the event will be accepted or sought, would help to prevent nuclear accidents.

What do you mean by “Fukushuras”?

“Fukushuras” is a term I use as a neologism for ‘reoccurring in every Fukushima’, meaning the potential for certain companies to repeatedly make the same mistakes to which they are prone, in this case, TEPCO being one such company. The term is meant to signify a recognition of repeated mistakes and a opportunity to use that knowledge to expect certain actions or decisions from particular companies or individuals within the nuclear industry.

Blog

  • Geiger Readings for Feb 19, 2025

    Geiger Readings for Feb 19, 2025

    Ambient office = 102 nanosieverts per hour

    Ambient outside = 137 nanosieverts per hour

    Soil exposed to rain water = 136 nanosieverts per hour

    Beefsteak tomato from Central Market = 126 nanosieverts per hour

    Tap water = 99 nanosieverts per hour

    Filter water = 84 nanosieverts per hour

  • Nuclear Reactors 1479 – Natura Resources and Texas A&M University Are Collaborating On The Deployment Of Molten Salt Small Modular Reactors in Texas – Part 1 of 2 Parts

    Nuclear Reactors 1479 – Natura Resources and Texas A&M University Are Collaborating On The Deployment Of Molten Salt Small Modular Reactors in Texas – Part 1 of 2 Parts

    Part 1 of 2 Parts
         Natura Resources (Natura) announces the deployment of two advanced nuclear projects in Texas, aimed at enhancing energy security and reliability for the rapidly growing state. These deployments are located in the Permian Basin and at Texas A&M University’s RELLIS Campus. They represent significant strides in addressing Texas’ energy and water needs. The Natura MSR-100 is a cutting-edge small modular reactor (SMR) that utilizes molten salt reactor (MSR) technology.
         Natura has entered into a Memorandum of Understanding (MoU) with Texas Tech University (TTU) and Abilene Christian University (ACU) to develop its molten salt reactor (MSR) technology. This collaboration includes the Texas Produced Water Consortium (TxPWC) at Texas Tech. It will focus on integrating MSR technology with water desalination systems. The goal of the collaboration is to provide a sustainable solution for water scarcity by purifying produced water from oil and gas operations, making it available for agricultural and other beneficial uses.
         Doug Robison is the Founder and CEO of Natura Resources. He emphasized the importance of this partnership, “Our collaboration with Texas Tech and ACU is a pivotal step in addressing Texas’ critical water and energy challenges. By leveraging our MSR technology, we aim to secure crucial water resources and drive innovation in clean energy.”
         Natura is also partnering with Texas A&M University to deploy the Natura MSR-100 reactor at the RELLIS Campus. This initiative is part of a project known as “The Energy Proving Ground,” which involves multiple nuclear reactor companies. The project intends to bring commercial-ready small modular reactors (SMRs) to the site. They will provide a reliable source of clean energy for the Electric Reliability Council of Texas (ERCOT).
         Doug Robison highlighted the significance of this deployment. He said “We are thrilled to continue our partnership with Texas A&M University to showcase how our technology can meet the energy needs of Texas and the nation. The Natura MSR-100 at the RELLIS Campus will play a crucial role in advancing our clean energy mission.”
         The Natura MSR-100 is a cutting-edge small modular reactor (SMR) that is based on molten salt reactor (MSR) technology. Two research MSRs operated in the United States in the mid-20th century. The 1950s Aircraft Reactor Experiment (ARE) was primarily motivated by the technology’s compact size, while the 1960s Molten-Salt Reactor Experiment (MSRE) aimed to demonstrate a nuclear power plant using a thorium fuel cycle in a breeder reactor.
         These are the key features of the Natura MSR-100.
         The Natura MSR-100 reactor utilizes a liquid fuel composed of fissile uranium material dissolved in a molten salt mixture. This fuel enhances safety and efficiency and produces less long-lived radioactive waste.
         The Natura MSR-100 reactor operates at temperatures exceeding one thousand one hundred and twelve degrees Fahrenheit, which improves thermal efficiency and electricity generation.
         The Natura MSR-100 reactor operates at lower pressures and includes passive safety mechanisms that reduce the risk of accidents.
         The high-temperature heat generated by the Natura MSR-100 can be used for desalination, providing a sustainable source of clean water.
    Please read Part 2 next
     
  • Geiger Readings for Feb 18, 2025

    Geiger Readings for Feb 18, 2025

    Ambient office = 102 nanosieverts per hour

    Ambient outside = 137 nanosieverts per hour

    Soil exposed to rain water = 136 nanosieverts per hour

    Beefsteak tomato from Central Market = 126 nanosieverts per hour

    Tap water = 99 nanosieverts per hour

    Filter water = 84 nanosieverts per hour

  • Nuclear Reactors 1478 – Texas A&M University Will Host Small Modular Reactor Clusters Constructed By Four SMR Companies

    Nuclear Reactors 1478 – Texas A&M University Will Host Small Modular Reactor Clusters Constructed By Four SMR Companies

         It was announced last Tuesday that four small-scale nuclear reactors are to be hosted on Texas A&M University land. CEOs from four nuclear power companies have agreed to work with the Texas A&M System to develop prototype and commercial-ready “small modular reactors” (SMRs). The first SMR has the potential to be constructed within five years.
         Smaller than their traditional commercial nuclear reactors counterparts, SMRs are designed so that their components can be factory-built and assembled at their site of use. They could be particularly useful for remote locations, for industrial applications and powering facilities like data centers.
         Texas A&M says that its accommodation of the reactors will provide the “missing element” needed to bring more nuclear power to Texas. “Plain and simple: the United States needs more power” said Texas A&M Chancellor John Sharp in a statement. “Nowhere in the country, other than Texas, is anyone willing to step up and build the power plants we need. Thanks to the leadership of Gov. Greg Abbott and others in Texas state government, Texas A&M System stands ready to step up and do what is necessary for the country to thrive.” The four SMRs will be built at Texas A&M-RELLIS, a twenty-four-hundred-acre technology and innovation campus in Bryan, Texas.
         According to the university, reactor manufacturers had been struggling to find sites to build clusters of the small-scale fission reactors. Power generated at this “Energy Proving Ground” could be used to increase the supply of the Electric Reliability Council of Texas (ERCOT). The university has projected that the four reactors built at the site will have a combined electrical output of more than one gigawatt. This is equivalent to a full-sized nuclear power reactor.
         The companies involved in the collaboration are Aalo Atomics, Kairos Power, Natura Resources and Terrestrial Energy.
         Matt Loszak is the co-founder and CEO of Aalo Atomics. He said, “We are excited to partner with an innovation leader like the Texas A&M System, and to jointly help shape the future of energy while creating opportunities for research, education and the Texas economy.” Aalto Atomics intends to build up to six “pods” at the Texas A&M–RELLIS site. Each pod will contain multiple reactors with each reactor having a ten-megawatt output. For comparison, a regular-sized commercial nuclear reactor typically has an output of around one thousand megawatts. Loszak added, “This collaboration is a pivotal step for Aalo as it provides us with a platform to demonstrate the potential of our factory mass-manufactured nuclear technology to deliver reliable, clean energy that will ultimately power the next generation of data centers and AI infrastructure.”
         Joe Elabd is the Texas A&M vice chancellor for research. He said, “The Energy Proving Ground will allow these companies to safely test their SMRs and set the stage for deploying small nuclear reactors across the country. The agreements that the Texas A&M System has with Kairos, Natura, Terrestrial and Aalo are going to change the energy landscape for the whole country. The Energy Proving Ground will allow these companies to safely test their SMRs (small modular reactors) and set the stage for deploying small nuclear reactors across the country.”
    Texas A&M

  • Geiger Readings for Feb 17, 2025

    Geiger Readings for Feb 17, 2025

    Ambient office = 100 nanosieverts per hour

    Ambient outside = 169 nanosieverts per hour

    Soil exposed to rain water = 140 nanosieverts per hour

    Avocado from Central Market = 127 nanosieverts per hour

    Tap water = 86 nanosieverts per hour

    Filter water = 70 nanosieverts per hour

  • Geiger Readings for Feb 16, 2025

    Geiger Readings for Feb 16, 2025

    Ambient office = 80 nanosieverts per hour

    Ambient outside = 151 nanosieverts per hour

    Soil exposed to rain water = 165 nanosieverts per hour

    Roma tomato from Central Market = 97 nanosieverts per hour

    Tap water = 91 nanosieverts per hour

    Filter water = 81 nanosieverts per hour

  • Geiger Readings for Feb 15, 2025

    Geiger Readings for Feb 15, 2025

    Ambient office = 71 nanosieverts per hour

    Ambient outside = 151 nanosieverts per hour

    Soil exposed to rain water = 158 nanosieverts per hour

    Russett potato from Central Market = 95 nanosieverts per hour

    Tap water = 91 nanosieverts per hour

    Filter water = 79 nanosieverts per hour

    Dover Sole from Central = 104 nanosieverts per hour