Lasrick sends this quote from the Bulletin of the Atomic Scientists: Most people would agree that keeping track of dangerous material is generally a good idea. So it may come as a surprise to some that the arrangements that are supposed to account for weapon-grade fissile materials—plutonium and highly enriched uranium—are sketchy at best. The most recent example involves several hundreds kilograms of plutonium that appear to have fallen through the cracks in various reporting arrangements. … [A Japanese researcher discovered] that the public record of Japan’s plutonium holdings failed to account for about 640 kilograms of the material. The error made its way to the annual plutonium management report that Japan voluntarily submits to the International Atomic Energy Agency … This episode may have been a simple clerical error, but it was yet another reminder of the troubling fact that we know very little about the amounts of fissile material that are circulating around the globe. The only reason the discrepancy was discovered in this case was the fact that Japan has been unusually transparent about its plutonium stocks. … No other country does this. Read more of this story at Slashdot.
More here:
How Japan Lost Track of 640kg of Plutonium
An anonymous reader writes “Tenure laws one of the most controversial aspects of education reform, and now the tide seems to be turning against them. A California judge has handed down a ruling that such laws are unconstitutional, depriving students of an education by sometimes securing positions held by bad teachers. The judge said, “Substantial evidence presented makes it clear to this court that the challenged statutes disproportionately affect poor and/or minority students. The evidence is compelling. Indeed, it shocks the conscience.” The plaintiff’s case was that “California’s current laws make it impossible to get rid of the system’s numerous low-performing and incompetent teachers; that seniority rules requiring the newest teachers to be laid off first were harmful; and that granting tenure to teachers after only two years on the job was farcical, offering far too little time for a fair assessment of their skills.” This is a precedent-setting case, and there will likely be many similar cases around the country as tenure is challenged with this new ammunition.” Read more of this story at Slashdot. 
A rat’s nest of cables at the back of a desk is truly the sign of the gadget-obsessed. But Intel plans to end all that, and soon: it wants your desk—hell, your entire digital life—to be completely wireless by 2016. Read more… 
In a rare gesture of transparency, the Department of Homeland Security just announced that hackers recently targeted and compromised a public utility’s control system. They didn’t say exactly where, but it happened inside United States borders. And it doesn’t sound like it was even that hard. Read more… 
