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[Various] Japan Nuclear Emergency - Continuous Coverage of Damage and Radiation Risks - Page 239  

post #2381 of 2836
NEWS UPDATE:


Crowd-sourcing aids Japan crisis


Quote:
Man using a Geiger counter Users wishing to contribute to the site will need to buy radiation detection equipment.

People living close to the stricken Fukushima Daiichi nuclear plant in Japan are collaborating to plot local radiation levels.

The RDTN.org website allows people to submit their own radiation readings and maps them alongside official data.

It is one of several so-called crowd-sourcing initiatives set up in the wake of the devastating earthquake and tsunami.

Another website, JapanStatus.org, also offers similar information.

To contribute to the RDTN site people will have to purchase a radiation detection device and the site directs people to four sources of such equipment. A typical device currently sells on Amazon for around $78 (£47).

Readings submitted to the site suggest that radiation levels of between 0.178 - 0.678 microsieverts per hour can be detected in and around Onuma Hitachi City that lies south of Fukushima.

Progress appears to be being made to restore power to the Fukushima Daiichi plant although, according to official sources, the situation remains very serious.

Villagers living nearby have been told not to drink tap water due to higher levels of radioactive iodine.
Source


I'm sorry but how is spreading accurate information about the Radiation Levels helping again? Wouldn't it be a bad thing if the public thought for a moment they were going to all die or were in severe danger of dying? Anyway, despite that fact, it looks like the people there are not relying on Government Findings which tend to be polluted by Government filters of Censorship...
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post #2382 of 2836
Quote:
Originally Posted by nukefission View Post
Grr
my geography teacher ranted at me for asking if japanese could go live in russia
aparantly 2/3 of russians hate japenese
and thers some lebenese/turkish mafia thats going to take over the world
Somebody call for me?
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post #2383 of 2836
http://xkcd.com/radiation/

Probably the best chart for radiation numbers that I've seen.
post #2384 of 2836
Quote:
Originally Posted by Tchernobyl View Post
http://xkcd.com/radiation/

Probably the best chart for radiation numbers that I've seen.
*unless its a bananaphone.

Epic, thanks for posting.
post #2385 of 2836
Quote:
Originally Posted by Trigunflame View Post
I don't see how a melt through the bottom of the reactor's pressure vessel / containment = massive explosion as this guy seems to suggest.

In addition, I thought it has been said on multiple occasions that an event like Chernobyl was almost completely impossible due to the difference in fuel type?
You would be correct, as the geometry required for prompt criticality would be very difficult to attain. It is difficult to attain even with precisely controlled parts hurled together with precisely times shaped charges. The real problem would be if a geometry formed that started a sustained chain reaction that would create a high neutron flux (making it very difficult to work in the vicinity), and would start to heat up once again to super-boiling temperatures.

Chornobyl "exploded" because of prompt criticality, caused by a reactor design that had an excessive positive void coefficient which, once coolant was removed, allowed for supercriticallity to be attain within 4mS. These beasts, on the other hand, are simply melting into a glassy slop that will probably look like hardened lava.

Dangerous, yes, but probably not set to explode. Considering what happened to the plants, it is lucky that much of it is still on land, at least near where it was prior to the massive earthquake - tsunami that ruined it.
post #2386 of 2836
I think people are a lot more worried about a radioactive fire than an explosion.
post #2387 of 2836
I've created a motivational poster. Tell me what you think.

post #2388 of 2836
Radiation 1,600 times normal level 20 km from Fukushima plant: IAEA

http://english.kyodonews.jp/news/2011/03/80057.html

What is the radiation level near the plant???? it must be almost lethal.
Edited by aweir - 3/21/11 at 10:39pm
post #2389 of 2836
1600 times at 20km is not so good... 2000 normal is ok near the plant actually. I'm not sure if it's just a single reading/location or it's spread out like this.
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post #2390 of 2836
That's what they're not telling us.

First they said there was an explosion in the containment building due to a "steam buildup" and that the reactor was safe. Then when we found out there were spent fuel rods in the containment building and that the explosion was because the rods were giving off hydrogen, they played stupid for a few days and then said they were shooting water into the spent fuel pool to "avert a meltdown".. Only problem is... the containment building is GONE... the spent fuel pool is GONE.... So, WHERE ARE the fuel rods and why the hell are they saying they are trying to pump water into the fuel pool to cool it when it's obviously NOT THERE?????


Edited by aweir - 3/21/11 at 11:23pm
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Overclock.net › Forums › Industry News › Technology and Science News › [Various] Japan Nuclear Emergency - Continuous Coverage of Damage and Radiation Risks