1961 – The SL-1, or Stationary Low-Power Reactor Number One, a United States Army experimental nuclear power reactor, underwent a steam explosion and meltdown killing its three operators.
2010 – The ‘Big Exhibit‘ at the National Archives closes.
1961 – The SL-1, or Stationary Low-Power Reactor Number One, a United States Army experimental nuclear power reactor, underwent a steam explosion and meltdown killing its three operators.
2010 – The ‘Big Exhibit‘ at the National Archives closes.