-1
votes
0answers
26 views

The effect on perpendicular currents on a sound wave

Thinking logically (not as a physicist :)) about soundwaves propagating from the seafloor through various currents, you would think the captured sound would be offset when reaching sealevel, making it ...
2
votes
1answer
108 views

Could submarine SONAR kill a diver?

Could a diver swimming next to a submarine be killed or seriously injured by its SONAR? What physical aspect of SONAR affects the human body in a potential harmful way?
0
votes
3answers
165 views

Using water to amplify sound

It seems that water generally dampens sound waves. Is there any way one could attach a speaker to a body of water in such a way that the water would actually amplify some frequencies (for nearby ...
-2
votes
3answers
194 views

Water excitation with sine waves

I saw that video when they connected a water hose to a speaker emitting 24 hz sine wave, and its illusion on the shape of the follow going out of the hose (because the video capture rate is fixed at ...
3
votes
1answer
283 views

Why is there a hiss sound when water falls on a hot surface?

Why is there a hiss sound when water falls on a hot surface? I have searched a lot, asked my teachers but none of them seem to give me the logical answer to it.
2
votes
1answer
589 views

Can sound be used to purify/filter water?

I remember reading about all chicken at a poultry farm being violently sick/dying for apparently no reason. It turned out the culprit was machinery at a nearby factory that emitted sound at a ...
7
votes
5answers
3k views

Why does water make a sound when it is disturbed?

When I disturb a body of water, what causes the familiar "water moving" sound?