Latest Uncategorized Posts

Historic Treaty Makes Nuclear Weapons Illegal

, manager of strategic campaigns

Remember this day, July 7, 2017. Today, history was made at the United Nations and the nuclear status quo was put on notice and most of the world stood up and said simply, “Enough.” Read more >

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The Nuclear Safety Value of “What If?”

, director, Nuclear Safety Project

Disaster by Design/ Safety by Intent #61

Safety by Intent

Picture a driver distracted by tuning the car’s radio or reading a very clever roadside billboard and unknowingly traveling through a stop sign without even slowing down. Due to good fortune, the driver neither hits another vehicle nor gets hit.

Upon realizing the stop sign had been run, the driver could have two reactions. Based on the actual outcome, the driver could conclude that less time would be wasted in the future by simply not stopping at stop signs and red lights any more. Or, based on what could have happened, the driver could resolve to pay better attention to traffic safety signs. Read more >

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25 Years Ago Today a President Changed Nuclear Policy Forever. Will This One?

, Washington representative and senior analyst

Today marks the 25th anniversary of the start of the most remarkable and rapid changes ever made in U.S. and Soviet/Russian nuclear posture and policy. Read more >

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Nuclear Plant Accidents: Browns Ferry Fire

, director, Nuclear Safety Project

Disaster by Design/ Safety by Intent #41

Disaster by Design

The March 22, 1975, fire at the Browns Ferry Nuclear Plant revealed a shortcoming to the defense-in-depth approach to nuclear safety: a common cause can defeat multiple barriers. Read more >

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Nuclear Safety Temperature Calculations: Where’s Jethro?

, director, Nuclear Safety Project

Disaster by Design/Safety by Intent #25

Disaster by Design

The 99 nuclear power reactors currently operating in the United States have different owners, different designs, different numbers and makes of emergency diesel generators, different sizes and manufacturers of fuel rods, different licensed power levels, and many other differences.

But they all share one hard and fast limit: The calculated maximum fuel cladding temperature shall not exceed 2,200°F.  Read more >

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