What is the cause of mystery booms heard around the world?
by Ellsworth Toohey from Boing Boing on (#77399)
In the 19th century, people living near the Barisal region of Bangladesh kept hearing what sounded like distant cannon fire booming out of a clear sky. The Barisal guns became one of the best-known examples of a "skyquake," a sudden loud sound with no corresponding earthquake activity. - Read the rest
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