ScienceSilicon Canalsabout 2 hours ago
Coventry lab fan caused haunting sensation
6 min read
A Coventry lab's extractor fan produced a 19 hertz standing wave near the human eyeball's resonant frequency, causing staff to feel watched and see shapes. Researcher Vic Tandy traced a vibrating fencing foil to the infrasound. A 2009 study found suggestibility, not infrasound, predicted reported sensations.
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