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  1. J

    News US Bans Travelers from Certain Muslim Countries

    No the intelligence agencies should have a good handle on terrorist supporters. Look at who they are following on Facebook or twitter, if they attend a mosque with a radical Amon etc. But that might be giving to much credit to "intelligence" agencies.
  2. J

    News US Bans Travelers from Certain Muslim Countries

    He never banned people of certain races or religions only people from certain countries. Not that I agree with the blanket ban from the 7 countries. Now if he had banned supporters of ISIS, Al Quida and other terrorist groups I would be all for it. I am a Canadian and I would hope our...
  3. J

    Programs Should I major in Physics or Geology when I am terrible at math?

    Correct me if I am wrong in reading what you are saying here but are you recommending doing problems repeatedly until you understand the concept or the opposite? That there is no real point in doing the problems until the basic theorems/concepts are understood? If it is the later I would agree...
  4. J

    Cleaning up radioactive or mine waste

    Did you not read how environmentally unsafe the mining practices in China are for the illegal mines and standards largely ignored by the larger ones. Never mind this is getting way to off topic for this forum.
  5. J

    Cleaning up radioactive or mine waste

    I am neither scared nor feeling guilty. I died after having an operation for having cancerous tumors removed from my mouth in 2008, fortunately I was in the hospital at the time and they brought me back. Everything since then is bonus time! I know a thing or two about rare earth elements and...
  6. J

    Cleaning up radioactive or mine waste

    I would hope it is not unsolvable but I know I will be dead long before this mess is cleaned up and I hope that it is resolved in my grandchildren's generation. They are in their twenties now and have children of their own. All of us anti nuke people talk about solar power and other alternative...
  7. J

    Fukushima Japan Earthquake: nuclear plants Fukushima part 2

    It is not only the long term objectives it is the technology that does not exist to deal with 3 meltdowns. Chernobyl only had one and they have still not resolved that many years later. Three Mile Island only had a partial meltdown and it took 10 or 15 years to clean up the core. New...
  8. J

    Fukushima Japan Earthquake: nuclear plants Fukushima part 2

    You are very optimistic and I hope you are right but TEPCO's track record so far has not been good and there are rumors they are running out of qualified workers. Personally you could not pay me enough to work there.
  9. J

    Fukushima Japan Earthquake: nuclear plants Fukushima part 2

    I would be extremely surprised if they met any of those objectives in the time frame they outline. Indeed, I do not think they are even working on, or have any idea how to achieve some of them. I firmly believe that everything TEPCO says should be taken with a huge grain of salt!
  10. J

    Fukushima Japan Earthquake: nuclear plants Fukushima part 2

    I have never worked in a NPP but I have worked many shutdowns in steam plants at pulp mills many years ago. It seems like a simple procedure to replace the ruptured valve, lock out and isolate the valve, remove it and replace it. It does not seem like radioactivity should be a problem...
  11. J

    Fukushima Japan Earthquake: nuclear plants Fukushima part 2

    I was wondering how the level of contamination in the exclusion zones for Fukushima and Chernobyl would compare to that of a hypothetical dirty bomb the intelligence agencies say we should all fear so much, when I came across this gem. From Wikipedia: "For the majority involved in an RDD...
  12. J

    Fukushima Japan Earthquake: nuclear plants Fukushima part 2

    TEPCO in my opinion has done a horrendous job in managing this disaster. What of the reports of continual Strontium 90 releases to the Pacific? Also reports of Iodine 131 still being detected in significant quantities, with a half life of approximately 8 days this would seem to me to...
  13. J

    Fukushima Japan Earthquake: nuclear plants Fukushima part 2

    Did they not attempt this over a year ago? I seem to remember something about this from Los Alamos National Laboratory. Found the link, http://www.lanl.gov/newsroom/news-releases/2012/October/10.17-fukushimas-nuclear-scar.php#.UH7TRWP9jq0.twitter Never did hear the results of this and if they...
  14. J

    Fukushima Japan Earthquake: nuclear plants Fukushima part 2

    You have far more confidence in the competence of TEPCO than I do.
  15. J

    Fukushima Japan Earthquake: nuclear plants Fukushima part 2

    Thank you HC that was the information I was looking for. Nothing to be concerned about then because even in the unlikely event of rods becoming exposed the operation could be halted and water could be added. ZZ I believe that Tepco knows it is a pile of radioactive junk but the safest place to...
  16. J

    Fukushima Japan Earthquake: nuclear plants Fukushima part 2

    What is a FHM? A fuel handling module perhaps? And stopping cooling for 6 days a week seems fairly risky to me when they don't even know the state of the fuel rods in the pool IIRC. Then again I don't know when the last batch of "hot rods" was loaded into the pool and how radioactive...
  17. J

    Nuclear energy academia or industry

    Best to just get a job at Walmart, nuclear is dead.
  18. J

    Chernobyl Should Chernobyl have been cleaned?

    That is the easy answer, from what I have read the areas they decontaminated have radiation levels equal to or higher than after the initial explosion. Yes the area is reverting to nature but what is the state of that nature, are birds reproducing as prolifically as before. Are deer, rabbits...
  19. J

    Fukushima Japan Earthquake: nuclear plants Fukushima part 2

    I believe the "off the charts" referred to may be the 100,000 Sv/hr postulated from the 10 Sv/hr detected in helicopters 100 M above reactor #3 I believe it was. Not sure how accurate this report was as I'm working with a faulty memory and a link I accessed on ENENEWS, not the most credible...
  20. J

    Fukushima Japan Earthquake: nuclear plants Fukushima part 2

    This was kind of what I was saying that plants in earthquake prone areas such as Japan and California should plan for catastropic earthquakes and tsunamis if applicable to the location. If they cannot be designed to withstand a possible event they shouldn't be built and if existing plants...
  21. J

    Fukushima Japan Earthquake: nuclear plants Fukushima part 2

    I don't know that DBAs should account for once in a thousand or ten thousand year events unless there is a reasonable expectation it may happen during the lifetime of the plant. On the other hand plants built in known seismicaly active regions such as California should be designed to...
  22. J

    Fukushima Japan Earthquake: nuclear plants Fukushima part 2

    There are historical records of Quakes and Tsunamies of MM 9+ and 15 Meters respectavily in that region. I don't know the frequency of such events but obviously they were in the general time frame. Just as the West Coast of North America is within the frequency range of a similar sized quake...
  23. J

    Fukushima Japan Earthquake: nuclear plants Fukushima part 2

    All this talk of DBA/BDBA is all sophistry in my opinion. By defination a DBA is one that the designers had done the engineering and construction to handle with appropriate training and safety procedures in place. Also a BDBA by it's very nature is one that is not considered in the...
  24. J

    Fukushima Japan Earthquake: nuclear plants Fukushima part 2

    I'm sorry, it's late and I'm tired so I'm not going to find the links for you but it is not only Gunnersan and Busby making these claims but several other nuclear engineers with experience in spent fuel.
  25. J

    Nuclear energy: for or against?

    Did you forget the sarcasm smiley there my friend.
  26. J

    Nuclear energy: for or against?

    Ok, thank you that that goes to my point of information/disinformation, I will read Global Research and Fairwinds articles as well as Tepco and IAEA. But I realize each has an agenda and what they have to say must be taken with a grain of salt. For example the most strident anti-nukes are...
  27. J

    Nuclear energy: for or against?

    Correct, I am attempting to learn, there is so much information/disinformation on the net a little bit of knowledge is a dangerous thing!
  28. J

    Nuclear energy: for or against?

    Sorry, that was not me talking it was quotes from Hitachi and the article I provided the link to, I thought that was clear. Apparently it was not.
  29. J

    Nuclear energy: for or against?

    Sorry, I did not mean to imply that text was from me. I thought it was apparent from the link I posted with the excerpt taken from it and the preface from the other stating: From the Hitachi Power Group: etc. I do not imagine how anyone could think it was my work! I will endeavor to...
  30. J

    Nuclear energy: for or against?

    http://www.mpoweruk.com/energy_efficiency.htm Nuclear The efficiency of nuclear plants is little different. On the steam turbine side they use the Rankine thermodynamic cycle with steam temperatures at saturated conditions. This gives a lower thermal cycle efficiency than the high temperature...
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