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blue flash

[′blü ‚flash]
(astronomy)
References in periodicals archive ?
The MEISTeR is an enhanced version of a disaster response robot initially developed by MHI after the criticality accident at the nuclear fuel processing facility in Tokai-mura, Ibaraki Prefecture, in 1999.
30, 1999 -- Criticality accident at a nuclear fuel reprocessing plant in Tokaimura, Ibaraki Prefecture, kills two workers.
It later ruled out the possibility that a major criticality accident had occurred.
A power surge during a test procedure resulted in a criticality accident, leading to a powerful steam explosion and fire that released a significant fraction of core material into the environment, resulting in a death toll of 56 as well as estimated 4,000 additional cancer fatalities among people exposed to elevated doses of radiation.
The disaster's initial rating of Level 4 was the same as the fatal criticality accident that occurred at a nuclear fuel plant in Ibaraki Prefecture in 1999.
A criticality accident was triggered when employees ignored safety regulations and put uranyl nitrate solution, containing around 16.
The nuclear accidents of the past few years, such as the criticality accident at the nuclear facility in Japan and the radiological accident involving the spent cobalt-60 source in Thailand, should never occur again,'' a joint communique issued by the forum said.
The nuclear criticality accident led to the deaths of two plant workers and resulted in the collapse of the ''safety myth'' surrounding nuclear power.
A criticality accident can occur with uranium enriched to concentrations as low as 1 percent U 235 (natural uranium contains 0.
These facilities have in place today a series of physical, procedural and administrative safeguards that would prevent a criticality accident.
I am worried that the unthinkable criticality accident may throw cold water on the public trust in nuclear facilities, given the various efforts made over time to build that trust," he said at his regular press conference.
The last criticality accident in the United States happened at a facility in Idaho in 1978.

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