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Stanley
Local Historian & Old Fart


36804 Posts
Posted -  14/11/2010  :  06:26
NEW VERSION TO MAKE IT EASIER FOR MEMBERS WITH SLOW CONNECTIONS TO CONNECT.

Follw this LINK for last version.


Stanley Challenger Graham




Barlick View
stanley at barnoldswick.freeserve.co.uk
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tripps
Senior Member


1404 Posts
Posted - 16/03/2011 : 08:53
What caught my attention this morning is the constant stream of experts on the media telling us there is no problem in Japan, and nothing to worry about.  Prof. Ian Fell now seems to be a nuclear expert - I seem to remember he was an oil expert years ago, and told us N. Sea oil would be finished by 1991!  
.   
In contrast the French government is sending Air France aircraft to evacuate French citizens from Japan. 

I wonder which is right.......


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frankwilk
Senior Member


3975 Posts
Posted - 16/03/2011 : 08:58
" In contrast the French government is sending Air France aircraft to evacuate French citizens from Japan "

The French have Always have been the first to Retreat.
The Americans are sending planes with People to help.



Frank Wilkinson       Once Navy Always Navy Go to Top of Page
Tizer
VIP Member


5150 Posts
Posted - 16/03/2011 : 09:42
Bodger mentioned natural nuclear reactors. There have been such things in the geological history of Earth, an example being the Oklo reactor in Africa. While critical approximately 1.7 billion years ago, it released 15,000 megawatt-years of energy by consuming six tons of uranium over several hundred thousand years. Today the site is a uranium mine. This an much more on natural radioactivity is found on Idaho University's `Radioactivity in Nature' web page. The page begins:

"Our world is radioactive and has been since it was created. Over 60 radionuclides (radioactive elements) can be found in nature, and they can be placed in three general categories:

   1. Primordial - from before the creation of the Earth
   2. Cosmogenic - formed as a result of cosmic ray interactions
   3. Human produced - enhanced or formed due to human actions (minor amounts compared to natural)

Radionuclides are found naturally in air, water and soil. They are even found in us, being that we are products of our environment. Every day, we ingest and inhale radionuclides in our air and food and the water. Natural radioactivity is common in the rocks and soil that makes up our planet, in water and oceans, and in our building materials and homes. There is nowhere on Earth that you can not find Natural Radioactivity."

It's sad to see how irresponsible the news media have been in their reporting of the explosions at the Japanese nuclear power stations. The main issue has been the use of the terms "nuclear explosion" and "atomic explosion" wrongly used for what were gas explosions of the type you would get from leaking town gas or petroleum gas. You cannot get a nuclear explosion from a nuclear reactor. Yet some news sources even made comparisons with Hiroshima (Fox News said of the Japan reactors: "When these explode it will be equivalent to 300,000 times that of the bombs dropped on Hiroshima").

Edited by - Tizer on 16/03/2011 10:28:55


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belle
VIP Member


6502 Posts
Posted - 16/03/2011 : 10:07
Frank, the Emporer of Japan has gone on TV to say he is "deeply worried", the Australians are also advising people to move out Tokyo, and the workers at the power palnt were pulled out of the affected area for a time earlier because of the levels of radiation. The snow and freezing temps are hampering those trying to rescue anyone still alive under rubble, and the lack of fuel is preventing rescuers from travelling far. Meanwhile the British advice is non essential travel to the affected area should be avoided..."mad dogs and Englishmen.."
Heaven help them all!


Life is what you make itGo to Top of Page
Stanley
Local Historian & Old Fart


36804 Posts
Posted - 16/03/2011 : 10:40


My Chernobyl is solved. Quick trip to Garlick's with a stolen supermarket trolley. Bog standard Bosch M wave but does everything I want. Sale price £99 but I twisted their arm and got it for £95. I'd looked on the internet and this is OK. Smaller than the old one but will hold my biggest glass casserole. If only all problems were solved as easily!


Stanley Challenger Graham




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stanley at barnoldswick.freeserve.co.uk Go to Top of Page
thomo
Barlick Born Old Salt


2021 Posts
Posted - 16/03/2011 : 11:53
I agree with Tizers post about the nuclear part of our very existence, and the fact that all of a sudden we have a great number of armchair physicists. It wouldn't surprise me if at this moment there are more journalists in Japan than aid workers, those poor people need help, not "scare mongering". Also when considering the use of nuclear power it is safe to assume that they were well aware of what could happen if they lost control of it. We are all constantly subjected to varying levels of natural radiation, Edinburgh has a higher level due to the amount of granite in that city, I understand that Tibet is at the bottom end of the scale. The drawings of the reactors used on the news were nothing like the real thing, the core is usually cooled by either gas or liquid the latter of the two being more common, and in most cases today this is the primary cooling system, this is in turn cooled by the water from which comes the steam to drive the turbines. Just as it is in nearly all steam plants the water used is not sea water or any other water found locally, it usually starts out as pure distilled water to which is added whatever is required for its purpose, in the case of nuclear power it is also deionized. In an emergency a reactor can be shut down and cooled very quickly, the withdrawal of certain fuel rods breaks the reaction chain, the insertion of control rods speeds up the cooling process, I have lived and worked alongside a nuclear reactor, they are not the bogeyman that a lot of people think they are.


thomo Go to Top of Page
Tizer
VIP Member


5150 Posts
Posted - 16/03/2011 : 12:11
As with your comment about Edinburgh Thomo, down here in the south-west we have higher than average radon levels but it's just part of the risk of being alive. There are other regions on Earth where you get a much bigger dose of natural radiation - there are places where you can take a plant's leaves and lie them on photographic paper to get an autoradiograph because the radium content is so high.

A possible development for safer nuclear power would be the use of thorium instead of uranium - see this Wikipedia thorium page. See particularly section 2.3 `Thorium as a nuclear fuel'.

Edited by - Tizer on 16/03/2011 12:23:43


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frankwilk
Senior Member


3975 Posts
Posted - 16/03/2011 : 13:21
Don't worry folks, I have it on good authority it will take at least 4 weeks for any nuclear fall out to reach here. The Germans are shutting down Nuclear Reactors so they must be increasing the burning of Fosil Fuel sod Global Warming !!!  I suggest we all start to read " The what would we do without Electricity thread" Calluna started.
Me I am going to buy shares in Polish Coal Mines, because the Germans will be looking for Cheap Coal pretty soon, and if the Poles don't beliver they will have it taken off them again.
Stanley forget about the economic collapse it is war you should be worried about.



Frank Wilkinson       Once Navy Always Navy Go to Top of Page
belle
VIP Member


6502 Posts
Posted - 16/03/2011 : 14:25
Thome, it's Aberdeen that is called the granite city..or is Edinburgh's reading higher because it's a bigger city? Frank, help me out here!


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thomo
Barlick Born Old Salt


2021 Posts
Posted - 16/03/2011 : 14:43
That may be Belle, but the tests I refer to were carried out in Edinburgh, and that place is not only built of granite but also stands on a big chunk of it.


thomo Go to Top of Page
frankwilk
Senior Member


3975 Posts
Posted - 16/03/2011 : 14:46
Aberdeen is indeed the Granite City and I believe Deeside around Banchory has very high levels of Radon which seeps into the Home as a Gas.



Frank Wilkinson       Once Navy Always Navy Go to Top of Page
frankwilk
Senior Member


3975 Posts
Posted - 16/03/2011 : 14:47
Old Reekie was the name used for Edinburgh, same as the Smoke was for London



Frank Wilkinson       Once Navy Always Navy Go to Top of Page
Bruff
Regular Member


479 Posts
Posted - 16/03/2011 : 15:43
I was in Edinburgh last week.  It's a fine city is Edinburgh, one of my favourite places anywhere.  I could live there.  I had haggis for my breakfast in the hotel.  Lovely.

 
Richard Broughton


Edited by - Bruff on 16/03/2011 3:44:05 PM


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Tizer
VIP Member


5150 Posts
Posted - 16/03/2011 : 16:27
Frank, I hope I'm in time to stop you buying those Polish coal mine shares. Germany's apparent changed attitude to nuclear power is temporary - it's election time coming up and Angela Merkel is keen to woo the electorate who are being fed doomsday scenarios by Germany's tabloid press. Instead, buy rare earths and a Scottish castle to keep them in (and probably some Royal Marines to guard the stockpile from the Chinese adventurers!).

Since writing the above I've seen this afternoon's report in the Financial Times saying that China has suspended approval of new nuclear power plants. It has 27 reactors under construction and 10 awaiting approval. It will be interesting to see how they expect to meet their carbon emissions targets now.

 

Edited by - Tizer on 16/03/2011 17:07:08


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belle
VIP Member


6502 Posts
Posted - 16/03/2011 : 23:15
Frank, Auld Reekie, surely!


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