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1/D-72
Mar 12, 2011
03:34 PM

BBC started reporting live from Tokyo almost immediately after the quake & its magnitude became obvious. A reporter went down to the street as soon as he  could & among other things reported that Tokyo train services has been shut down. And thousands of daily commuters started trudging back home. That was not remarkable. What was remarkable, the reoprter noticed, that even then these commuters would wait at the street crossings for the signal lights to turn green before walking over to the other sides.

MANISH BANERJEE
KOLKATA, India
2/D-90
Mar 12, 2011
06:41 PM

"What was remarkable, the reoprter noticed, that even then these commuters would wait at the street crossings for the signal lights to turn green before walking over to the other sides." - Manish

Well said! That encapsulates the difference between India and Japan (and many other developed nations).

The Irreverent Indian
Online, India
3/D-101
Mar 12, 2011
07:57 PM

The core of a nuclear reactor is in melt down mode due to failure of the power supply & its back-ups to the cooling system . That is a greater disaster than the earthquake & the tsunami.There is report of a huge blast in outer concerte housing of the vessel which holds the fuel rods. This in effect means radio-active particles will spread far v& wide. This no longer is a loacl disaster in Japan only.

MANISH BANERJEE
KOLKATA, India
4/D-1
Mar 13, 2011
12:01 AM

Manish Banerjee,

Please stop nuclear scare mongering. Nothing unexpected is happening in the plants. At most, some radioactive gases will be released to relieve core pressure, but this is delibrate. The radiation in the vicinity of the plant will be temporarily raised over that of background radiation.  It will probably still be less than the radioactivity released by a coal-fired power plant in it's day-to-day operation, or from eating a banana, or getting an x-ray or smoking a pack of cigarettes.

The blast is at an outer concrete structure and not the result of a core meltdown. The containment structure that houses the fuel rods is made of thick steel, and is not in danger. 

While Sendai and surrounding areas are drowning in water or suffering from fossil fuel fires, raising unwarranted fears of nuclear armaggedon is just a distraction that the Japanese cannot afford at the moment.

http://atomicinsights.blogspot.com/2011/03/nuclear-plant-issues-in-japan-are-least.html

nobody inparticular
Mumbai, India
5/D-3
Mar 13, 2011
12:08 AM

 Bottomline: Nuclear power plants are inherently safe.

http://www.frumforum.com/post-quake-how-safe-are-japans-nuke-reactors

nobody inparticular
Mumbai, India
6/D-60
Mar 13, 2011
03:23 PM

 Say NO to Jaitapur Plant

Vaibhav Chhatre
NAGPUR, India
7/D-65
Mar 13, 2011
03:56 PM

 Nuclear power plant they are putting in india are because of corruption deal between R , MA and areva. the nuclear liablity bill was planned as advance action. Billions will be siphoned off from this. We dont need any of the nuclear power plant. They will cost 50000 crores each out of which 20000 crores will be corruption money for the prince.

Ramkrishnan
New Jersey, United States
8/D-68
Mar 13, 2011
04:14 PM

A second reactor core went melt down. A double whammy & as I said yesterday, its a greater disasters than the earthquake & the tsunami put togather. Once the fission goes uncontrolled , no way one can limit the chain reaction. It is reported they are spraying sea water to in to the cores. This is only a desperate measure & unlikely to bear fruits so far as spread of radioactivity is concered; may be will limit physical damage to the surrondings. That too is a big ask. Also where the wash water is being disposed? Must be back to the sea which has its risks.

One more big question. If they have power to pump sea water why they could not restart the coolant circulation. No atomic authority gives out the whole truth in cases of accidents. The Japanese authorities are much more upfront in this occassion  as they are the ones who first uttered the dreaded word 'core melt-down'.

MANISH BANERJEE
KOLKATA, India
9/D-83
Mar 13, 2011
06:47 PM

 Manish,

 This is 4% enriched fuel which cannot go critical without a neutron supply. The moment the earthquake hit, fission was cut off. The problem here is about dealing with the latent heat in the reactor, since coolant supply has been cut off. The worst case is 1. A meltdown occurs 2. The containment structure is ruptured 3. Some level of actinides are released. The active decay period of Cesium-137 is about 40 days, which is the worst of the lot. Anyway, iodine tablets are sufficient to prevent any absorption of radiation into the thyroid.

Simple timely relief of pressure will avoid all three for sure, with the disadvantage that the radiation released in air will be 1.5 times that in a glass of drinking water.Even if nothing was done, the containment would hold together, without a shadow of doubt. As time passes, the reactor is cooling down. I.e. it is getting safer, not more dangerous.

You can complain about nuclear safety when the first person dies of radiation poisoning. Thousands have died of sea water surge. Maybe we should ban coastal habitation?

I am confident that not a single person will die of radiation poisoning because of this incident that you call nuclear disaster. Meanwhile thousands continue to die of cancer anually due to radioactive emmission from coal-fired power plants.

nobody inparticular
Mumbai, India
10/D-84
Mar 13, 2011
06:49 PM

Vaibhav,

Sure, say no to Jaitapur. Please reveal your plan for generating baseload electricity in the order of tens of giga Watts

nobody inparticular
Mumbai, India
11/D-85
Mar 13, 2011
06:51 PM

 Ramkrishnan,

Will coal power plants stop corruption?

nobody inparticular
Mumbai, India
12/D-104
Mar 13, 2011
08:42 PM

This is 4% enriched fuel which cannot go critical without a neutron supply.

What do you mean by 4% enriched fuel? What nuetron supply? Do you understand what is being talked about is running reactor.

The moment the earthquake hit, fission was cut off.

How do you do cut off fission ? You seem to be taken in by the reports that plant was shut down which effectively meant power generation plant was decoupled from the neuclear reactor system. Even in a simple thermal plant it takes anything between 8 -24 hours for the boilers to shut down.

1. A meltdown occurs 2. The containment structure is ruptured 3. Some level of actinides are released.

First two scenarios are reported to have played out in at least in one reactor. Its beyond me to undersatnad what is meant by ' some level of actinides are released '.

Anyway, iodine tablets are sufficient to prevent any absorption of radiation into the thyroid.

Tonight  nuclear scare mongers would sleep well now that you tell them iodine tablets are antdote to effects of exposures to high radiation.

Just jargons do not help.

MANISH BANERJEE
KOLKATA, India
13/D-110
Mar 13, 2011
09:12 PM

Manish,

Ignorance is not a virtue.  Here is someone who has  the patience to explain, so I don't have to. 

http://bravenewclimate.com/2011/03/13/fukushima-simple-explanation/#more-3970

nobody inparticular
Mumbai, India
14/D-46
Mar 15, 2011
02:21 PM

Even if you weren't so obviously blinkered, Mr Nobody, your anonymity alone disqualifies you from being taken seriously.

Biswapriya Purkayastha
Shillong, India
15/D-49
Mar 15, 2011
03:13 PM

How do I know you are Biswapriya? Even if you are, how does that fact make you well-known? 

You are not required to believe me at all. If you want to go into deep depression about nuclear fallout, I have absolutely no problem with that. 

nobody inparticular
Mumbai, India
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