Haunted by HVAC: The 18-Hertz Nudge and the Science of Unseen Stress

This episode explores how specific low-frequency sounds, known as infrasound, particularly around 18 hertz, can induce feelings of dread, anxiety, and even visual hallucinations, often mistaken for supernatural encounters. It details the scientific discovery by Vic Tandy, who linked these unsettling sensations to environmental factors like faulty fans emitting infrasound. Listeners will learn how these unheard frequencies cause internal organs to resonate, leading the brain to interpret these physiological responses as profound emotional and psychological effects.