Tag Archives: frequency sound

A new contraceptive for men on the horizon? Just a couple of zaps of ultrasound kills sperm, say scientists

Source: Daily Mail It sounds like one of the more extreme examples of birth control – but blasting a man’s most vulnerable area with ultrasound could be the ideal form of male contraception, say scientists. Experiments showed that high frequency … Continue reading

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Future Riot Shields Will Suffocate Protestors with Low Frequency Speakers

Source: Gizmodo It’s not the first crowd control tool to use sound waves, but Raytheon’s patent for a new type of riot shield that produces low frequency sound waves to disrupt the respiratory tract and hinder breathing, sounds a little … Continue reading

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