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Scientists May Have Finally Solved the Mystery of the Strange Hum Heard Around the World

A mysterious low-frequency sound known as The Hum has been reported around the world for decades, leaving researchers searching for its source. Imagine lying in bed late at night and hearing a faint engine-like drone that seems to come from somewhere outside. You check the windows, listen for traffic, and search for a nearby machine. [...]

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That Haunted Feeling May Be Caused by a Sound You Can’t Hear

People exposed to infrasound may not consciously hear it, but they can show higher cortisol levels and increased irritability, which may help explain reports of “haunted” locations. Infrasound refers to sound at very low frequencies, below 20 Hertz (Hz), a range that people usually cannot hear. It can be produced by natural events such as [...]

British Army adopts acoustic system to pinpoint enemy artillery

Because knowing which way to jump is pretty important, the British Army is getting a new system to find where enemy artillery is coming from. Built by Leonardo UK, the SONUS Acoustic Weapon Locating System uses sound analysis to locate enemy guns.

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Category: Military, Technology

Tags: leonardo, British Army, Acoustics

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