In the fifth episode of mini-series 'Experiments that changed fire science' we cover the compartment fire experimental campaigns carried at NBS (now NIST) in 1970's and 1980's, with the maybe most famous of them all - the Steckler's room experiment. My guest - prof. James Quintiere touches on the experimental design, design choices and most importantly - the technology available to measure and how they made it work.If you would like to read more on this science, start up with these piecesStecklers room experiment paperCorridor firesWall fires and upward flame spread