12:27 AM EST on April 12th, 2012 | 33 comments

Ex-Fukushima Daiichi engineer as ‘cold shutdown’ declared: Fuel rods still active and alive — Most worried about recriticality — Tepco must measure neutrons near core (VIDEO)

02:08 AM EST on March 9th, 2012 | 123 comments

L.A. Times: Speculation that “supercritical fission event” occurred at Fukushima reactor irradiating plutonium, says nuclear expert — Explosion so massive investigators found fuel rod fragments a mile away

12:19 PM EST on February 14th, 2012 | 40 comments

NHK: Tepco told to find ways of measuring temperature at Reactor No. 2 and report by tomorrow — Still claimed no xenon detected

02:42 AM EST on February 12th, 2012 | 47 comments

82°C at Reactor No. 2 — Keeps rising even after injection of more water — Tepco “set to dump in boric acid”

12:07 PM EST on February 7th, 2012 | 23 comments

Nuclear Industry Website: Recriticality test detects “very low traces” of fission products at Reactor No. 2 — Tepco then injected boric acid as a precaution against chain reactions

10:31 AM EST on February 7th, 2012 | 14 comments

Exposed? Asahi: Water may not be reaching part of melted nuclear fuel from Reactor No. 2, says unnamed Tepco official

08:25 AM EST on February 7th, 2012 | 13 comments

Tepco: Recriticality “probably” did not occur at Reactor No. 2 — “Difficult to judge” whether temperature rising or falling

03:24 AM EST on February 7th, 2012 | 35 comments

Bloomberg: “Nuclear reaction threat” as temperature rises — Head of Japan nuke institute: “Nobody is sure about the location of melted fuel — A similar incident will probably occur again”

07:58 PM EST on February 6th, 2012 | 27 comments

Bloomberg: Tepco injects boric acid to prevent criticality at Reactor No. 2

11:34 AM EST on February 6th, 2012 | 30 comments

Tepco: Water injections may no longer be able to properly cool down melted nuclear fuel in Reactor No. 2 — Says criticality is not taking place (VIDEO)

05:33 AM EST on December 16th, 2011 | 30 comments - (Comments are closed)

Yomiuri: Former Japan PM ‘hints’ of recriticality at Fukushima — Found Chlorine-38 in Reactor No. 1 water tested at research institute

hato_t
09:20 PM EST on December 14th, 2011 | 32 comments - (Comments are closed)

NYT on Recriticality: Japan nuclear prof. says chain reaction at Fukushima can’t be ruled out — Disagrees with expert in America who says it’s unlikely

06:53 AM EST on December 12th, 2011 | 30 comments - (Comments are closed)

Iodine-131 detected in Tokyo at multiple locations during November — 350 bq/kg at Kita garbage facility

04:24 AM EST on December 12th, 2011 | 22 comments - (Comments are closed)

Radioactive iodine found in Gunma at 3 sewage plants — “Possibility of recriticality again”

06:55 AM EST on November 21st, 2011 | 27 comments - (Comments are closed)

Radiation expert: “I’m not ruling out a nuclear bomb-type explosion” at Fukushima (VIDEO)

10:57 AM EST on November 6th, 2011 | 85 comments - (Comments are closed)

Busby: On-going fission is occurring at Fukushima — Either a recent “enriched uranium fission” or an “explosive criticality”

12:31 AM EST on November 4th, 2011 | 40 comments - (Comments are closed)

CNN: Tepco’s claim of ‘spontaneous’ fission is an “improbable phenomenon” says nuke professor — Strange that such a “rare” event was detected almost immediately after sampling began?

10:43 PM EST on November 3rd, 2011 | 68 comments - (Comments are closed)

Japan Times: It is now a “grave situation” at Fukushima — “Plutonium fission” mentioned for first time — “Criticality is very likely to have occurred”

12:42 PM EST on November 3rd, 2011 | 47 comments - (Comments are closed)

Boric acid apparently not working to stop chain fission reactions because Xenon is still being detected — Tepco says this is reason why they claim ‘spontaneous’ fission, not sustained criticality

12:05 AM EST on November 3rd, 2011 | 30 comments - (Comments are closed)

Tepco blames ‘spontaneous’ and ‘natural’ nuclear fission for radioactive xenon… What about the 14,000% increase in Krypton-85?

 
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