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Thursday, May 10, 2018

Health security

Here's Why US Claims of Cuban 'Ultrasonic Weapons' Don't Make Sense

A global expert on ultrasonic waves thinks the widely reported claim that U.S. embassy staffers in Cuba were attacked with a sonic weapon doesn't make sense.
In 2016, U.S. embassy staff in Cuba started to complain about a series of unusual symptoms after hearing loud, strange noises and feeling "ghostly" movements in the air. The symptoms included hearing loss and even signs pointing to brain injury. In early reports, U.S. officials suggested that sonic weapons were likely the cause, though later, thorough medical studies cast doubt on that notion. Timothy Leighton, a professor of acoustics at the University of Southampton in England, said the whole concept of using ultrasonic waves in this way is "ridiculous."
"At the end of the day, I think it's extremely unlikely this was an ultrasonic attack," Leighton told Live Science in advance of a presentation at the 175th Meeting of the Acoustical Society of America today (May 9) on the real problems associated with ultrasonic waves. [The 7 Biggest Mysteries of the Human Body]

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