Show Sound Film in Reverse Eases Report of Shot How the sensitivity of the human human human hu hu- hu- hu man ear may be changed instantly and radically is demonstrated by bya a sound film recording of a revolver revolver revolver ver shot says Colliers When the film is run forward the loud report makes the ears insensitive to other I sound waves that follow with decreasing decreasing decreasing de de- de- de creasing intensity When the film is run in reverse only a soft swish is heard because these sound waves successively increase increase increase in in- crease in intensity and so condition condition condition condi condi- tion the ears in a split second that the report itself is not detectable detect detect- able |