Tag: nuclear energy

While thousands protest the restarting of any nuclear power plants in Japan following last year’s earthquake, some scientists have questions about one particular plant.

9:35 am

While thousands protest the restarting of any nuclear power plants in Japan following last year’s earthquake, some scientists have questions about one particular plant.

The article’s headline falsely suggests that the scientists oppose all nuclear power plants, which is not the case. If anything, the overall manner in which the Fukushima power plant withstood the biggest earthquake in history demonstrated that most of Japan’s nuclear power plants are probably safe from future earthquakes. For scientists to have concerns about one particular plant seems reasonable, however, and is not the same thing as opposing all nuclear power.

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The Fukushima nuclear reactor has reached the state of cold shutdown

10:06 am

Good news: The Fukushima nuclear reactor has reached the state of cold shutdown.

This means that the reactor core has cooled enough that there is no need to recirculate the water to keep the fuel cool. However, because the reactor continues to leak that water recirculation is still necessary, and will be for years.

As is typical of many modern journalists, the article above is also an unstated editorial both hostile to nuclear energy as well as private enterprise, best shown by the article’s concluding paragraph:

Meanwhile, the Japanese public and many of its politicians remained deeply mistrustful of the situation at Fukushima. In this week’s issue of Nature, two members of the Japanese parliament call for nationalization of the Fukushima Plant, to allow scientists and engineers to investigate exactly what happened inside the reactors, and to reassure the public that the decommissioning will be done with their interests at heart. Regardless of whether you agree with the authors, nationalization seems almost inevitable. The lengthy decommissioning process that will follow this cold shutdown, and the enormous cost involved, make it a job for a government, not a corporation. [emphasis mine]

First, he has no idea what the Japanese public thinks of this situation. Second, there is no evidence that the government could do this job better than the company that runs the reactor. Both conclusions are mere opinion, inserted inappropriately in a news article without any supporting proofs.

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New York Metropolitan Opera stars, fearing radiation, skip Japan tour

9:43 am

Cowards: Two New York Metropolitan Opera stars, fearing radiation, have backed out of a Japanese tour in the cities of Tokyo and Nagoya. This, despite the documented lack of radiation:

Tokyo briefly registered nominally higher radiation levels in its air and water, but they have subsided to pre-tsunami levels. There was never any scientific concern of a radiation impact on Nagoya, which is much farther away.

Meanwhile, the efforts to stabilize the reactors in Fukushima are proceeding.

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The real disaster in Japan

10:48 am

The situation at the Japanese nuclear power planets continues to improve. Key quote:

It’s hard to imagine, but it’s now been eight days since the Honshu quake and tsunami, and evidence continues to accumulate that while it was certainly a bad industrial accident, the “doomsday” and “worst case” scenarios just haven’t happened. Every day longer makes those scenarios even less likely — the reactors are cooling, the Japanese are getting them supplied with power, and the fuel rods haven’t burned.

Meanwhile, the scope of the real disaster in Japan is becoming more clearly known: No bodies or survivors found in tsunami-hit Miyagi community.

Kobe fire department rescue team members, who also worked in areas affected by the Great Hanshin Earthquake, have been operating in Minami-Sanrikucho. But they do not have any idea of the whereabouts of the legions of missing people swept away after massive tsunami swallowed up houses. In all, 8,000 town residents remain missing.

What is it with today’s modern American press, that is obsessed about a non-problem at a nuclear power plant, while close-by whole cities have been laid waste, with literally tens of thousands of people killed?

My heart goes out to the Japanese people. Faced with such destruction, they still seem undaunted and unbowed. May they rebuild their country quickly and with courage.

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The situation at the Fukushima nuclear power plant continues to stabilize

3:18 pm

Here’s some good news: The situation at the Fukushima nuclear power plant continues to stabilize.

The article has a lot to say about the panicky overreaction of much of the press and political class over this incident. For example:

In summary it appears more and more that health consequences from reactor damage will be extremely minimal even for workers at the site. It will now be a surprise if anyone who has not been inside the plant gates this week is affected by the situation at at all – apart from all the people worldwide who have been taking iodide pills or eating salt unnecessarily. There may also be measurable psychological health effects from the global media-driven hysteria surrounding the situation, of course.

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A detailed explanation of what has happened at the Fukushima nuclear power plant

8:43 pm

Check out this detailed engineering explanation of what has happened, is happening, and will happen at the Fukushima nuclear power plant in Japan. Key quote:

The point is that the nuclear fuel has now been cooled down. Because the chain reaction has been stopped a long time ago, there is only very little residual heat being produced now. The large amount of cooling water that has been used is sufficient to take up that heat. Because it is a lot of water, the core does not produce sufficient heat any more to produce any significant pressure. Also, boric acid has been added to the seawater. Boric acid is “liquid control rod”. Whatever decay is still going on, the Boron will capture the neutrons and further speed up the cooling down of the core.

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