Blueair air purifiers are extremely quiet and efficient. The filter media allows air to pass through freely so that the fan doesn't have to work as hard. A less powerful fan translates to less noise.
Even the housing of the Blueair air purifiers is designed with quiet operation in mind, replacing sound-sonant plastic with noise-muffling steel. Each Blueair air purifier comes with patented HEPASilent Filter Technology which offers near silent air cleaning for any area of your home or office. 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.