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A(rse)coustics: Why do farts make noise?

A(rse)coustics: Why do farts make noise?

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Nope, sorry. This isn't an interesting little essay on anal sounds, it's a serious question.

I've just been in bed pondering the matter for, well, way over 3 minutes and I can't find a satisfactory answer.

As far as I can tell, the sound of a fart is not the bum cheeks banging together. It's got nothing to do with the scrotum (and my wife farts like an elephant, so that's the proof there...she ain't got no balls!). And it's got nothing to do with pressure (even if you don't press hard, when you know you oughtta or like when you know you shouldn't, there's still the chance of a rip-roaring fart echoing through the Sunday church).

So, my thinking has led me to believe it's got something to do with the anus.
Maybe the tighter the anus, the harder the fart.
This theory would have serious consequences for certain members in society thogh. The anally-stretched members, to be more precise.

I'm not sure though.
Can anyone verify this?

Another theory I've come up with is that the sound has got something to do with the shape of the intestines. That the bubble of fart comes floating on down, getting bent into and out-of shape and then explodes like like a rocket getting fired down a wriggly launch pad.

Does anyone know?

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Originally posted by shavixmir
Nope, sorry. This isn't an interesting little essay on anal sounds, it's a serious question.

I've just been in bed pondering the matter for, well, way over 3 minutes and I can't find a satisfactory answer.

As far as I can tell, the sound of a fart is not the bum cheeks banging together. It's got nothing to do with the scrotum (and my wife fart ...[text shortened]... then explodes like like a rocket getting fired down a wriggly launch pad.

Does anyone know?
Any guy who doesn't rec this is a liar.

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I've got no idea.

Ever wonder why farts stink so much when you let one rip in the bath?

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It's like a trumpet player's lips stretched over the mouthpiece; the anus is a pretty tight seal so you can swim, not sink. Expelling the fart makes those sweet lips that never told a lie vibrate.
High-speed photography must be done on this subject and the mystery fulled explained, perhaps it would get on Discovery Channel.

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Noise, as we all know, is pressure waves through air particles so KneverKNight is basically correct. The soft tissue of the anal sphincter vibrates as the gas pushes through against the muscle tension. Often a small amount of sweat can add a tonal quality to the vibration and compression, due to position of subject, can enhance this pressure and thus increase the amplitude of noise.

As to the bath situation, I would suggest that when one passes wind in one's trousers the diffusion is restricted by the aromatic molecules adhering to the fibres of the aforementioned vestements. This slows the diffusion and therefore lessens the smell. When in the bath, gas rises through the water in complete bubbles and is rapidly diffused across the remaining (and often small) distance to the olfactory nerve, the heat of the bath contributing to the speed of diffusion as well.

So you are now more informed on the mysterious ways of farting than perhaps you were twenty seconds ago, I feel my work here is done.

Dr.Starrman PhD (fartology)

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Because the LORD hath willed it so; for some flatulencies, HE hath given to Man warning, as a reward for virtue; sinners are exposed to only the least noisy, yea, the most silent of gaseous emissions!

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Originally posted by shavixmir
Nope, sorry. This isn't an interesting little essay on anal sounds, it's a serious question.

I've just been in bed pondering the matter for, well, way over 3 minutes and I can't find a satisfactory answer.

As far as I can tell ...[text shortened]... ket getting fired down a wriggly launch pad.

Does anyone know?
Not sure why they make a noise - I know why they stink though... it's for the benefit of the deaf.

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MAN SUES OVER SMELLY FART - AND WINS!

A Swedish man has been awarded nearly ?60,000 compensation after he was sacked for telling off a colleague for breaking wind.

Computer technician Goran Andervass took the Swedish Bank, at Riksbanken, to industrial tribunal for unfair dismissal.

He said he rebuked his un-named colleague because he believed he had deliberately broken wind in his office.

"My colleague was absolutely aware of the awful smell. It was pure provocation," he told Aftonbladet.

"I felt provoked by the fart at 7.30am and it made me terribly angry."

The colleague complained to management who suspended Mr Andervass and later made him redundant. He took legal action and was recently awarded the equivalent of ?58,000.

Krister Skoglund, of the Swedish Work Environment Authority, commented: "If a fart is done on purpose when going into somebody's office it is important that management takes the matter seriously."

www.thisislincolnshire.co.uk

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