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David Wright

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About the author: David Wright is a physicist and the co-director of the Global Security Program. He is a nationally known expert on the technical aspects of missile defense systems, missile proliferation, and space weapons. See David's full bio.David also blogs on All Things Nuclear.

Scientists Support The Iran Deal—And They’re Bringing it to Social Media

Are you feeling confused about things you’re hearing on the pros and cons of the deal to limit Iran’s nuclear program? Wish someone who knew the details would answer your questions?

Last Friday, two highly qualified scientists did just that, answering questions submitted by the public during a Reddit “Ask Me Anything” (AMA) session. Read More

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Stories Not to Forget: 70 Years Since the Hiroshima and Nagasaki Bombings

As we approach the 70th anniversary of the atomic bombings of Hiroshima and Nagasaki on August 6 and 9, there is a spate of new television programs that tell the story of the development of the bomb, its use on these two Japanese cities, and the complicated nuclear history since then.

Having worked in the security field for nearly 30 years, I’ve heard most of these stories time and again. But last month I heard a story that was new to me. Read More

Categories: Nuclear Weapons  

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Lessons from the Fukushima Nuclear Accident

The 2011 Fukushima accident has many lessons for U.S. nuclear power, and how to make it safer. Are we learning them? Read More

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President Obama: Go to Hiroshima

On April 5, 2009, the newly elected Barack Obama gave a now-famous speech in Prague that focused on the threat of nuclear weapons. In it he gave “America’s commitment to seek the peace and security of a world without nuclear weapons.” He stated:

“The existence of thousands of nuclear weapons is the most dangerous legacy of the Cold War. … [A]s the only nuclear power to have used a nuclear weapon, the United States has a moral responsibility to act. We cannot succeed in this endeavor alone, but we can lead it, we can start it.” Read More

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How Much Is Your Life Worth?

I recently bought a new bicycle to replace the one I bought in college, which I was still riding despite its deteriorating condition. I also decided to buy a new bike lock. Since the value of my new bike was considerably higher than that of my old one, it was clearly worthwhile for me to spend the money to upgrade my security system. Read More

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UCS Webinar on Nuclear Hair-Trigger Alert and Launch-on-Warning

As the NPT Review Conference gets underway at the UN in New York, the increasingly frustrated non-nuclear weapon states will be looking for the U.S. and other nuclear weapon states to take meaningful steps to reduce nuclear risks. Read More

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U.S. and Russian Generals Call for Reducing the Risk of Inadvertent Nuclear War

In an important New York Times op-ed, retired U.S. and Russian Generals James Cartwright and Vladimir Dvorkin call for the two countries to take steps to reduce the risk of nuclear weapons being launched by mistake, particularly during a time of crisis. Read More

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UCS Webinar on the Nuclear Deal with Iran

Last week we presented a webinar discussing key points of the recent framework agreement for a nuclear deal with Iran, which was announced on April 2. In case you missed it, you can watch a recording of it here. Read More

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A First Look at the Iranian Nuclear Deal

The world got some good news yesterday. The countries involved in negotiating a nuclear deal with Iran announced they had agreed on many of the key issues they will need to formalize in a final agreement over the next three months.

So, how does that interim agreement look? So far, so good. Read More

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Nuclear War and the Science Experiment of January 25, 1995

On January 25, 1995—20 years ago Sunday—a routine scientific experiment in Norway led Russia to prepare to launch a nuclear attack on the United States.

The story of this event illustrates how coincidence, confusion, and nuclear weapons on hair-trigger alert can be a deadly mix. Read More

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