Lamont-Doherty Seismologists Show Latest Korean Blast Larger Than 2006...
(PhysOrg.com) -- Columbia seismologists who have intensively studied North Korea’s nuclear testing efforts say Monday’s blast was certainly a nuclear bomb, roughly five times larger than the country’s...
View ArticleDiamond mining is not forever, SAfrica learns
The glittering diamonds are almost gone and as the lustre fades on South Africa's Diamond Coast, desperate ghost towns are left clinging to the last signs of life.
View ArticleUNH scientists to build device for detecting contraband radioactive material
Researchers at the University of New Hampshire's Space Science Center (SSC), in partnership with Michigan Aerospace Corporation, have been contracted by the federal Defense Threat Reduction Agency...
View ArticleNuclear detector: New materials hold promise for better detection of nuclear...
Northwestern University scientists have developed new materials that can detect hard radiation, a very difficult thing to do. The method could lead to a handheld device for detecting nuclear weapons...
View ArticleSymantec warns of new Stuxnet-like virus
US security firm Symantec has warned of a new computer virus similar to the malicious Stuxnet worm believed to have preyed on Iran's nuclear program.
View ArticleIran says Duqu malware under 'control'
Iran said on Sunday it had found a way to "control" the computer malware Duqu, which is similar to Stuxnet virus which in 2010 attacked its nuclear programme and infected more than 30,000 computers.
View ArticleIran tests first domestically made nuclear fuel rod
Iran said on Sunday that its scientists have "tested the first nuclear fuel rod produced from uranium ore deposits inside the country," the website of the Iranian Atomic Energy Organisation said.
View ArticleNuclear weapons' surprising contribution to climate science
Nuclear weapons testing may at first glance appear to have little connection with climate change research. But key Cold War research laboratories and the science used to track radioactivity and model...
View ArticleArmageddon looming? Bruce Willis couldn't save us from asteroid doom (Update)
(Phys.org) -- According to the internet hysteria surrounding the ancient Mayan calendar, an asteroid could be on its way to wipe out the world on December 21, 2012.
View ArticlePaintballs may deflect an incoming asteroid (w/ Video)
In the event that a giant asteroid is headed toward Earth, you'd better hope that it's blindingly white. A pale asteroid would reflect sunlight—and over time, this bouncing of photons off its surface...
View ArticleUN sounds alarm on unsecured uranium waste in Tajikistan
The United Nations warned Friday that nearly 55 million tonnes of radioactive waste from old Soviet-era uranian mines remain in unsecured sites in northern Tajikistan.
View ArticleChelyabinsk meteorite had previous collision or near miss (Update)
The Chelyabinsk meteorite either collided with another body in the solar system or came too close to the Sun before it fell to Earth, according to research announced today at the Goldschmidt conference...
View ArticleTrove of data from Russian 'dash-cam' meteorite
The asteroid impact that burst over Chelyabinsk, Russia, on the morning of February 15 has provided a huge collection of new data that scientists have been analysing since. This week, three papers, two...
View ArticleDebunking myths on nuclear power
It is the received wisdom that nuclear weapons and nuclear power are inseparable. Consequently, any country that builds a civilian nuclear power station is able to build an atomic bomb within a couple...
View ArticleStudy cites 'dangerous weak link' in nuke security
The number of countries possessing the makings of a nuclear bomb has dropped by almost one-quarter over the past two years, but there remain "dangerous weak links" in nuclear materials security that...
View ArticleMathematician drafts urban nuclear shelter guide
A scientist published a guide Wednesday to help authorities limit deaths from fallout after a city is hit by a nuclear bomb.
View ArticleEngineering nuclear nonproliferation
University of Virginia engineering professor Houston Wood's career is a testament to the essential role that engineers can play, not only in preserving a free and open society, but also in making the...
View ArticleChanges ordered at Los Alamos over nuke waste leak
(AP)—Federal officials say four Los Alamos National Laboratory workers have been reassigned, and the Department of Energy is pulling nuclear waste cleanup operations from the contractor that runs the lab.
View ArticleAfter the deal: Partnerships with Iran could reduce long-term nuclear risks
Within the next two weeks, or soon after, the United States and five world powers hope to finalize a nuclear deal with Iran to limit its nuclear activities in exchange for a relaxing of international...
View ArticleNeutron bomb inventor Samuel Cohen dies in LA
(AP) -- Neutron bomb inventor Samuel T. Cohen, who designed the tactical nuclear weapon intended to kill people but do minimal damage to structures, has died, his son said Wednesday.
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