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Kevin Karhan :verified:

@violetmadder @zl2tod @hannu_ikonen @clive yes and no.

Cuz OFC there's ear protection and if it was vibrations and just normal harsh noise there would've been sufficient samples before...

I'd still bet it's #Sonar given that even remotely hearing one is considered a "GTFO the water - NOW!" thing in terms of diving because that sonar can turn one's brain into Bolognese Sauce before the sonar operators even realize they're close to a diving spot...

30 June at 20:09 | Wall-to-wall | Open on infosec.space
6 comments
skry

@kkarhan @violetmadder @zl2tod @hannu_ikonen @clive If sonar does that to people, it must be hurting whales too.

30 June at 20:25 | Open on mastodon.social
Kevin Karhan :verified:

@skry @violetmadder @zl2tod @hannu_ikonen @clive OFC it does...

Guess why we see whales getting beached shortly.after submarine traffic went up...

- This ain't like the humming and vibrations of.offshore wind generators and propellers / engines - those are annoying but not loud to the point that one can get hospitalized from the sound unless one barely misses getting their skull split by a propeller blade...

#Sonar can and did kill people.to the point that any diver deployment will get repeatedly signalled on ships and subs every few minutes with the explicit order to keep the Active Sonar off until imstructed otherwise...

@skry @violetmadder @zl2tod @hannu_ikonen @clive OFC it does...

Guess why we see whales getting beached shortly.after submarine traffic went up...

- This ain't like the humming and vibrations of.offshore wind generators and propellers / engines - those are annoying but not loud to the point that one can get hospitalized from the sound unless one barely misses getting their skull split by a propeller blade...

30 June at 20:44 | Open on infosec.space
violetmadder

@kkarhan @zl2tod @hannu_ikonen @clive

Firearms are not "normal harsh noise", and earplugs won't protect your brain. The shockwave is a concussive blast that travels through the whole body in an abrupt strike.

Sonar is a whole other separate issue.

30 June at 20:49 | Open on kolektiva.social
Kevin Karhan :verified:

@violetmadder @zl2tod @hannu_ikonen @clive I disagree since then we'd see the same issue with #Jackhammers and other pneumatic powertools...

Ear protection works because you ain't firing the gun in an uncompressable medium (i.e. water)...

With sonar the person is encased in an uncompressable medium and thus the energy is undampenable...

30 June at 21:52 | Open on infosec.space
zl2tod

@kkarhan
Has anyone looked to see if the issue occurs in people using jackhammers?
@violetmadder @hannu_ikonen @clive

30 June at 22:43 | Open on mastodon.online
violetmadder
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