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A comment on There's a Persistent Hum in Windsor, Ontario, and No One Knows Why. Parent comment

Re:There's a Persistent Hum in Windsor, Ontario, and No One ... by kaplun on Tuesday February 20, 2018 @05:21PM (#16424802)
What I don't understand is if they are just trying to locate sound source or looking for other waves, such as electromagnetic ones. When I walk under high voltage trellises I always hear my head humming.
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Re:There's a Persistent Hum in Windsor, Ontario, and No One ... by mbell on Tuesday February 20, 2018 @05:41PM (#16424949)
You don't 'hear' EM waves. What you're hearing near high voltage lines is coronal discharges near the conductors; The field strength is high enough to ionize the air around the conductor causing it to move around, moving air = sound.
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