• U.S. searching for a nuclear waste graveyard

    Congress has killed the Yucca Mountain nuclear repository project, so the United States has no central location for storing nuclear waste; 50,000 metric tons of toxic nuclear waste that has already been produced by the U.S. nuclear plants; 30,000 metric tons more of nuclear waste is expected to be generated in the coming decades

  • U.S., Israel differ sharply on Iran's nuclear threat

    Dennis Blair tells Senate committee that Iran has not yet made decision to pursue nuclear weapons; Pentagon leaders also differ in their view of Iran’s intentions, capabilities

  • Of facts and wishful thinking in the Iran debate

    Dennis Blair, the new DNI, said today that it will be “difficult” to convince Iran to give up its quest for nuclear weapons through diplomatic means; he also repeated the November 2007 NIE assessment that Iran had “halted” its weaponization work in 2003

  • BNS wins £13 million Dounreay decommissioning contract

    Dounreay was the site of a brave, new idea — a fast breeder nuclear reactor which would convert an unusable form of uranium to plutonium which could be recycled and turned into new reactor fuel; it would, that is, breed its own fuel, offering the prospect of electricity in abundance; it has not worked out that way; now it is the site of a big decommissioning effort

  • New reactor design solves waste, weapon proliferation problems

    A new nuclear reactor design — called Traveling-Wave reactor — is noteworthy for three things: it comes from a privately funded research company, not the government; it would run on what is now waste, thus reducing dramatically the nuclear waste and weapon proliferation problems; and it could theoretically run for a couple of hundred years without refueling

  • Researchers develop plutonium which is good for power but not for weapons

    Israeli researcher finds that adding the rare-earth isotope Americium-241 in due proportion during reprocessing “declaws” plutonium, making suitable for power generation but not for weapons

  • Historic sample of bomb-grade plutonium discovered

    Scientists stumble upon, then identify, the oldest batch of weapon-grade plutonium; methods used in identification can help in anti-proliferation efforts

  • Iran launches plutonium path to the bomb

    Iran makes an important — if symbolic — step toward joining the nuclear weapon club; the Busher plant will allow Iran to produce bombs from plutonium, in addition to bombs made from uranium enriched at a facility at Natanz

  • Iran has reached a nuclear breakout capacity; holds enough uranium for bomb

    UN experts acknowledge Iran has enough uranium for one nuclear bomb; Iran has produced 839 kg of low enriched uranium hexafluoride — more than 200 kg more than previously thought; earlier estimates that Iran is about 12 months away from the bomb now appear dated

  • Calculations show Iran's 2 February launch used beefed-up rocket

    Calculations show that Iran’s 2 February missile launch involved a more sophisticated and powerful rocket than had been initially thought; this two-stage vehicles, with more powerful fuel, are capable of lifting a nuclear warhead farther; Europe — but not yet the United States — is now within Iranian missile range

  • Iran, preparing for a nuclear break out, seeks sophisticated defensive system

    Iran is about 12 months away from its first nuclear weapon; this means that there is a 12-month window for a military attack on Iran without risking a nuclear retaliation; Iran is desperate to acquire the most sophisticated defensive system in the world — Russia-made S-300 anti-aircraft missiles; the system can track up to 100 targets simultaneously while engaging up to 12; it has a range of about 200 km and can hit targets at altitudes of 27,000 meters

  • NNSA ships more high-risk nuclear material out of Livermore

    Latest shipment reduces high-security nuclear material onsite by an additional 20 percent; part of the government’s plan to consolidate nuclear materials at five sites by 2012, with significantly reduced square footage at those sites by 2017

  • World's largest supercomputer will be used for nuclear stockpile research

    IBM to build a 20 petaflops supercomputer, called Sequoia, for the Lawrence Livermore lab; a petaflop stands for a quadrillion floating-point operations per second; to put Sequoia’s computing power in perspective, what it can do in one hour would take all 6.7 billion people on Earth with hand calculators 320 years, if they worked together on the calculation for 24 hours per day, 365 days a year

  • Israeli official: Gaza operation "pre-introduction" for dealing with Iran threat

    Israeli ambassador to Australia says “Israel’s efforts in Gaza were to bring about understanding that we are ready to engage in a decisive way” over Iran and its nuclear aspirations

  • Countdown toward Israeli attack on Iran's nuclear facilities has begun

    Iran has launched its first domestically made satellite into orbit; missile carrying satellite can be used to carry nuclear warheads to Israel — and to Europe; the world has not found a way to stop or slow down Iran’s nuclear weapons program; this means an Israeli attack on Iran is becoming more likely