Nuclear weapons

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The Arak heavy-water reactor has been at the center of concerns about potential Iranian nuclear proliferation. Stringer/Reuters

The alarming consequences of scuttling the Iran nuclear deal

Critics of the nuclear deal with Iran have good reasons to be skeptical, but blocking the deal would make the United States and its allies less secure.
On August 6, 1945, a crude bomb containing 60 kilograms of highly enriched uranium exploded 580 metres above Hiroshima. EPA/Hiroshima Peace Memorial Museum

Ban the bomb: 70 years on, the nuclear threat looms as large as ever

Today's nuclear arsenals are so powerful that dropping a Hiroshima-size bomb every two hours for 70 years would not exhaust their destructive capacity. The global disarmament regime is broken.
Blowing up the desert – and people’s minds: the first atom bomb test in 1945. US Government

Radiation in the postwar American mind: from wonder to worry

The first atom bomb test seventy years ago today marks the start of a change in Americans' thinking about radiation. On balance, our nuclear anxieties endure today.
Increased oil and gas revenues amid lifted sanctions are set to raise Iran’s economic fortunes, which ease Middle Eastern tensions. EPA/Abedin Taherkenareh/AAP Image

Energy and economic diplomacy can trump the nuclear ‘threat’ of the Iran deal

Opponents of the Iran nuclear deal say it raises the nuclear weapons threat in the region. But Middle East tensions are actually likely to ease as Iran grows richer without being shackled by sanctions.
The Fukushima disaster was a dark chapter for nuclear power - but high-profile accidents are far from the only downside. EPA/KIMIMASA MAYAMA/AAP

Accidents, waste and weapons: nuclear power isn’t worth the risks

Is nuclear power worth it? No, says Mark Diesendorf – it's never been a major world energy force, it has caused huge accidents, and its greenhouse emissions are higher than many people realise.
A submarine missile-launching capacity brings the threat closer to the shores of the target country. Flickr/Marion Doss

North Korea’s submarine missile firing raises the nuclear stakes

North Korea does not yet have the capacity to launch a nuclear missile from a submarine. Its recent test, however, suggests it is making progress to a game-changing second-strike capability.

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