International Nuclear Watch & Discussion

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Tilak
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Re: International nuclear watch & discussion

Post by Tilak »

Another dog and pony show.. for public consumption..
renukb
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Re: International nuclear watch & discussion

Post by renukb »

Regional Nuclear War and the Environment
http://www.time.com/time/health/article ... 64,00.html
Gerard
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Re: International nuclear watch & discussion

Post by Gerard »

Plutonium found in safe at Hanford is historic
Researchers at the Department of Energy's Pacific Northwest National Laboratory in Richland traced its origins to the first batch of weapons-grade materials ever processed at Hanford.

It's also the second oldest known man-made plutonium 239, said Jon Schwantes, a PNNL senior research scientist who led the investigation. The oldest is held in the Smithsonian.
The time frame in which the plutonium originated was further narrowed by studying the ratio of plutonium to uranium in the sample, since plutonium decays over time into uranium.

That put the probable date of creation at 1945, give or take 4.5 years. The latest the plutonium could have been made was about 1950.

But an analysis of the minor plutonium isotopes was puzzling.

Irradiating fuel for weapons production produces not only plutonium 239, the type used in weapons, but also plutonium 238, 240, 241 and 242. Determining the ratio between the amounts of different isotopes created a "fingerprint" of the reactor that produced it.

That fingerprint matched a reactor that operated at a power of 3.7 megawatt days per metric ton of uranium.
B Reactor and the two other Hanford reactors operating in the mid-1940s were 200 MWd/MTU reactors, Schwantes said. There was one other possibility, a research reactor that produced plutonium 239 in the 1940s. The X-10 reactor in Oak Ridge, Tenn., was a prototype for production-scale reactors later built at Hanford.

Its power at 3.6 MWd/MTU was close enough to be a match.
Gerard
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Re: International nuclear watch & discussion

Post by Gerard »

Janitor pleads guilty in Tenn. nuclear parts theft
Oakley acted alone in trying to sell a handful of uranium enrichment parts first to the French government and then an undercover FBI agent for $200,000 in cash, Assistant U.S. Attorney Will Mackie said.
Gerard
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Re: International nuclear watch & discussion

Post by Gerard »

Obama's Showdown over Nuclear Weapons
The latest U.S. nuclear showdown doesn't involve a foreign enemy. Instead it pits President Barack Obama against his Defense Secretary, Robert Gates, and concerns the question of whether America needs a new generation of nuclear warheads.
ramana
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Re: International nuclear watch & discussion

Post by ramana »

Gerard any news about new UK sub?
Gerard
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Re: International nuclear watch & discussion

Post by Gerard »

The proposed new class of SSBNs? That has to wait until the US produces the new SLBM. It is not an independent decision by the UK. Their entire missile arsenal comes from a common pool stored at Kings Bay, Georgia, USA. The warheads are serviced by US contractors, with crucial spare parts coming from the USA. The launch system on the SSBNs are US origin as well.
The entire control system of the RN's subs is now Microsoft Windows based. The UK moves to a new system when the US decides to do so. If it doesn't, it ceases to have a nuclear deterrent.

Meanwhile....Ex-chiefs: scrap UK nuclear missile program
Three retired senior military chiefs made an unlikely appeal Friday for Britain to scrap its 20 billion-pound ($30 billion) nuclear missile program, claiming it is unnecessary and no longer independent of the United States.
Philip
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Re: International nuclear watch & discussion

Post by Philip »

Chinese nuclear deterrence policy spelt out.

China Defense White Paper Describes Nuclear Escalation
Last edited by Gerard on 28 Jan 2009 01:46, edited 2 times in total.
Reason: edited - copyright
Sanjay M
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Re: International nuclear watch & discussion

Post by Sanjay M »

New Fusion-Fission Reactor Design

Anybody know more about this? So it's like a regular fission reactor, but it also uses some of that energy to power a fusion device that generates neutrons to destroy the fission waste products? Is that feasible/viable?

Could this be of any use to a Thorium breeder process?
ie. instead of destroying waste, use the fusion neutrons to breed more U-233 from the Thorium. Would that work?
Sanjay M
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Re: International nuclear watch & discussion

Post by Sanjay M »

linked article:

Fusion–Fission Transmutation Scheme—Efficient destruction of nuclear waste
A fusion-assisted transmutation system for the destruction of transuranic nuclear waste is developed by combining a subcritical fusion–fission hybrid assembly uniquely equipped to burn the worst thermal nonfissile transuranic isotopes with a new fuel cycle that uses cheaper light water reactors for most of the transmutation. The center piece of this fuel cycle, the high power density compact fusion neutron source (100 MW, outer radius <3 m), is made possible by a new divertor with a heat-handling capacity five times that of the standard alternative. The number of hybrids needed to destroy a given amount of waste is an order of magnitude below the corresponding number of critical fast-spectrum reactors (FRs) as the latter cannot fully exploit the new fuel cycle. Also, the time needed for 99% transuranic waste destruction reduces from centuries (with FR) to decades.
Gerard
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Re: International nuclear watch & discussion

Post by Gerard »

General calls for Trident rethink
General Jack Sheehan said he thought the UK was "very close" to giving up nuclear weapons
NRao
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Re: International nuclear watch & discussion

Post by NRao »

http://www.nytimes.com/2009/01/30/opinion/30fri1.html
January 30, 2009
Editorial
Rules of the Game

President George W. Bush, and his aides, could hardly wait to get rid of all those tiresome arms-control treaties when they took office. They tore up the 1972 antiballistic missile treaty to make way for a still largely pie-in-the-sky missile defense system. They opposed the Comprehensive Nuclear Test Ban Treaty and never made a serious effort to win a ban on the production of fissile material (the core of a nuclear weapon).

Mr. Bush grudgingly signed his one and only arms-reduction treaty with the Russians in 2002. That means that today — 20 years after the fall of the Berlin Wall — the United States and Russia still have more than 20,000 nuclear weapons, with thousands ready to launch within minutes.

The bad news, of course, didn’t stop there.

While Mr. Bush and his team were ridiculing treaties and arms control negotiations as “old think,” North Korea tested a nuclear device, Iran has been working overtime to produce nuclear fuel (usable for a reactor or a bomb) and many other countries are weighing whether they need to get into the nuclear game.

President Obama pledged to address these dangers when he was campaigning. In her recent confirmation hearing, Secretary of State Hillary Rodham Clinton argued that this country’s best hope of doing that is to restore treaties and a rules-based system. Now they have to translate that lofty intent into urgent action.

The first challenge is Russia, the only other country besides the United States with enough weapons to blow up the planet. The administration can start by negotiating a follow-on to the 1991 Start Treaty, which is set to expire in December. The pact contains the only rules for verifying any nuclear agreement, and it provides an opportunity for making even deeper cuts.

The two sides could easily go to 1,000 weapons each in this next round, down from the 1,700 to 2,200 deployed weapons agreed on in the 2002 Moscow treaty. Without any negotiations, the two can immediately take their weapons off hair-trigger alert.

We applaud the administration’s pledge to work for Senate ratification of the Comprehensive Test Ban Treaty and to revive negotiations on a fissile material production ban. Neither will be easy to achieve, but both are essential if Mr. Obama is serious about reining in a frightening new world of ever-expanding nuclear appetites.

During the campaign, Mr. Obama opposed plans to build a new nuclear warhead. He was right. There is no military or scientific need. Defense Secretary Robert Gates is a strong advocate of the program. Mr. Obama should resist. If the United States is going to have any credibility in arguing that others must restrain their nuclear ambitions, it must restrain its own.

Mr. Bush repeatedly warned about the dangers of nuclear weapons falling into the hands of terrorists. He was right. But he never put in place the strategy needed to ensure that that never happens. And he weakened some of this country’s most fundamental defenses, including its credibility.

President Obama must do better. He can start by restoring the rules of the game.
Gerard
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Re: International nuclear watch & discussion

Post by Gerard »

Uranium squeeze hands miners price to work with
BHP Billiton's go-slow on a multibillion-dollar expansion of its Olympic Dam copper/uranium/gold operation has created a bit of buzz in pure uranium production and exploration plays.
As analysts at EL & C Baillieu noted last week, it is the equivalent to the oil industry "losing" three Saudi Arabias. Baillieu said that when it is remembered that current (global) mine supply only sustains roughly 40 per cent of current demand, the question is, what is going to fill the gap?
Gerard
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Re: International nuclear watch & discussion

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Gerard
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Re: International nuclear watch & discussion

Post by Gerard »

Gerard
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Re: International nuclear watch & discussion

Post by Gerard »

http://www.upi.com/Top_News/2009/01/27/ ... 233083440/
Former U.S. Air Force Secretary Thomas Reed says there's enough plutonium missing from the former Soviet Union to arm 25 Nagasaki-sized atomic bombs.
Gerard
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Re: International nuclear watch & discussion

Post by Gerard »

Obama, Pentagon pull in different directions on no nukes goal
"To be blunt, there is absolutely no way we can maintain a credible deterrent and reduce the number of weapons in our stockpile without either resorting to testing our stockpile or pursuing a modernization program,"
NRao
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Re: International nuclear watch & discussion

Post by NRao »

Kailash wrote:Germans and Russians collaborating?!

Believe this doesn't belong here... but was too interesting to pass. US is already jittery.
((Kailash, delete it from the India thread.))
RajeshA
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Re: International nuclear watch & discussion

Post by RajeshA »

NRao wrote:
Kailash wrote:Germans and Russians collaborating?!

Believe this doesn't belong here... but was too interesting to pass. US is already jittery.
((Kailash, delete it from the India thread.))
Sehr interessant! Russen und Deutschen zusammen, eh!
ramana
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Re: International nuclear watch & discussion

Post by ramana »

UK might be running out of money.
Sanjay M
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Re: International nuclear watch & discussion

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NRao
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Re: International nuclear watch & discussion

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Gerard
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Re: International nuclear watch & discussion

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Sweden to overturn nuclear ban
Nuclear power has been given a significant boost when Sweden said it planned to overturn a 29-year ban on atomic plants as part of a drive to increase energy security and combat global warming.
NRao
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Re: International nuclear watch & discussion

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NRao
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Re: International nuclear watch & discussion

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Philip
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Re: International nuclear watch & discussion

Post by Philip »

The Chinese stole "ALL" US nuclear weapon secrets.Pl read the whole reort on the link.

"The Chinese stole the design secrets to all -- repeat, all -- U.S. nuclear weapons, enabling them to leapfrog generations of technology development and put our nuclear arsenal, the country's last line of defense, at risk. To this day, we don't know quite when or how they did it, but we do know that Chinese intelligence operatives are still at work, systematically targeting not only America's defense secrets but our industries' valuable proprietary information.

"The answer was staring us in the face: We had no coherent game plan for identifying, assessing and stopping such threats. As the new head of U.S. counterintelligence, it would be my job to develop and execute the nation's first strategy for finding and neutralizing foreign spies. "

Foreign Spies Are Serious. Are We?
http://www.washingtonpost.com/wp-dyn/co ... 03498.html

PS:A signal lesson for India too,that our enemies have been spying and attacking ous relentlessly and we have yet to reorganise our intel and security apparatus to meet the current end future threats.
Last edited by Gerard on 10 Feb 2009 05:00, edited 1 time in total.
Reason: edited - copyright
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