The history, ideas, and activities of the Open PSA movement.
Unexampled Events
Woody’s presentation at the 2nd Resilience Engieering Symposium
Storm King Mountain
The Storm King Mountain Fire where 14 fire fighters died.
The Emperor’s New Truncation
Approximations in risk calculations can easily be incorrect.
The Risk Cycle
Risk assessment is not a one time project. It is a constant job.
Software Risk Assessment
Software used in cars, planes, and nuclear plants need risk assessment.