This is a simplified picture of the system dynamics of an RBMK nuclear reactor highlighting its design flaws. Two reinforcing feedback loops and one negative loop, along with significant human disregard for safety led to the events of April 1986.
For an entertaining, albeit inaccurate at times, presentation, watch the HBO miniseries clip on YouTube: https://www.youtube.com/watch?v=TmIEI4ky-Zc
