The PORTACOUNT can be used to measure filter efficiency, but only if a generated aerosol is used such as .12 or .3 micron DOP. Ambient air cannot be used since efficiency is a function of particle size and you don't know the size. Ambient air can be used with the PORTACOUNT to leak check HEPA filters.
More.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.