What a #sound #cannon looks like ...

[sebastian@social.itu.dk]

What a #sound #cannon looks like ...

targeted 160 dB (max) to harm protesters.

https://www.theguardian.com/world/2025/mar/21/calls-serbia-investigation-claims-sound-cannon-targeted-protesters

#acoustics #science

[sebastian@social.itu.dk]

How a #soundcannon works

https://science.howstuffworks.com/lrad.htm

#LRAD #acoustics

[sebastian@social.itu.dk]

How a #LRAD #soundcannon works

How it is used in #Serbia [german]

https://www.derstandard.at/story/3000000262056/die-schallwaffe-von-serbiens-machthaber-wurde-identifiziert?ref=mastodon

[sebastian@social.itu.dk]

and what to do against a #LRAD #soundcannon :

https://mastodon.cc/@autonomysolidarity@todon.eu/114178956102474281