Sound shock vs hygiene – high speed hand dryers

High-speed hand dryers are an engineering success story, chiming with the prevailing agenda of austerity and sustainability, but what is the trade off? As someone with normal hearing, Dr. John Drever found the new generation of power hand dryers in WC’s intrusive. On becoming a father he became aware of how the sudden triggering of aggressive sound in a quiet space can panic children and others sensitive to noise – prompting his investigation of the […]