What are sonic weapons?

<p><strong>What are sonic weapons? Thanks for asking!</strong></p><br><p>In June it emerged that Greek police had acquired two long range acoustic devices, designed to discourage migrants from approaching the country's border with Turkey. At the size of a small TV, the cannons don’t look particularly threatening, but are capable of emitting powerful sound waves as loud as a jet plane.</p><br><p>An LRAD is an example of a sonic weapon, which is an umbrella term used to cover the many different types of acoustic harassment devices. They emit a particularly audible sound in a precise direction, making it very unpleasant for those who get close.&nbsp;</p><br><p>The use of LRADs has been a source of controversy in a number of scenarios. In addition to the pain and disorientation caused, their alert feature has been reported to cause lasting hearing damage.</p><br><p><strong>In what other scenarios are sonic weapons used? Is there anything peaceful protesters can do to protect themselves?</strong> <a href="https://podcasts.ba-ba-bam.com/do-you-really-know/" rel="noopener noreferrer" target="_blank"><strong>In under 3 minutes, we answer your questions!</strong></a></p><br><p><strong>To listen to the last episodes, you can click here:</strong></p><p><a href="https://podcasts.ba-ba-bam.com/do-you-really-know/202107220300-what-global-bike-shortage.html" rel="noopener noreferrer" target="_blank">What is the global bike shortage?</a></p><p><a href="https://podcasts.ba-ba-bam.com/do-you-really-know/202107210300-what-eswatini.html" rel="noopener noreferrer" target="_blank">What is Eswatini? </a></p><p><a href="https://podcasts.ba-ba-bam.com/do-you-really-know/202107190300-what-mansplaining.html" rel="noopener noreferrer" target="_blank">What is mansplaining?</a></p><br><p>A podcast written and realised by Joseph Chance.</p><br /><hr><p style='color:grey; font-size:0.75em;'> See <a style='color:grey;' target='_blank' rel='noopener noreferrer' href='https://acast.com/privacy'>acast.com/privacy</a> for privacy and opt-out informa