"Release of nuclear posture review will set the stage, " said a U.S. official involved in proliferation issues.
The energy release from nuclear fission is roughly a million times greater per unit weight than fossil fuels, which is why nuclear fission is such a compelling long term energy source.
FORBES: Explainer: What Caused The Incident At Fukushima-Daiichi
The IAEA is scheduled to release a report on Iran's nuclear program next week and President Sarkozy and I agreed on the need to maintain the unprecedented international pressure on Iran to meet its obligations.
Twenty years ago today the nuclear research centre CERN put out a press release announcing that it was making freely available something called the World Wide Web, "a global computer networked information system".
There were no injuries and little release of radiation from that incident, which remains the worst commercial nuclear accident in U.S. history.
CNN: Pump triggers Three Mile Island reactor shutdown, NRC says
Even if the nuclear accident is brought under control swiftly, and the release of radiation turns out not to be large enough to damage public health, this accident will have a huge impact on the nuclear industry, both inside and outside Japan.
Ahead of the report's release, there had been speculation in Israeli media about potential strikes on Iranian nuclear facilities.
BBC: UN nuclear agency IAEA: Iran 'studying nuclear weapons'
Solid nuclear fuel like that used at Fukushima-Daiichi can melt and release radioactive materials if not cooled consistently during shutdown.
FORBES: Explainer: What Caused The Incident At Fukushima-Daiichi
This meant likely degradation of their zirconium alloy cladding, the possible release of hydrogen, and - by Tepco's admission - the risk that a nuclear chain reaction could begin.
Mordechai Vanunu, the technician who revealed that Israel had nuclear weapons, has begun a three-month jail term for violating the terms of his release in 2004.
"It's hard to make a comparison between Three Mile Island, Chernobyl and Fukushima because the radioactive release is different and so is the population, " said John Large, a UK-based independent nuclear engineer.
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