Page 2 of 2

Re: an important question

Posted: 23 Jun 2009, 01:17
by Strategia
CarRepairer wrote:No, it's volume, not mass.
My bad, same difference. Your body's volume decreases by the same amount the volume of "water" increases. Zero-sum.
lurker wrote:And in the scenario you describe no organs shift downwards, the skin doesn't shift in at all, and the space vacated by the urine is now devoted to?
Nothing. The bladder contracts, all right some organs may shift, but I doubt you could accurately calculate that, and it's probably random enough to be different every time you try to measure. The human body doesn't have random open holes, if something goes away it is neatly closed up - watch an autopsy vid (I've got a top-of-the-line one off of PirateBay), the human body fits together like a giant bunch of wobbly, fleshy Lego bits.

Re: an important question

Posted: 23 Jun 2009, 01:35
by luckywaldo7
I think there is but one way to solve this problem for good. Empirically!

We will need about a dozen volunteers, plenty of soda, and a bathtub. And probably some waivers.

Re: an important question

Posted: 23 Jun 2009, 01:38
by Boirunner
hint: after i pee, what is where my pee used to be?

Re: an important question

Posted: 23 Jun 2009, 01:43
by Strategia
luckywaldo7 wrote:I think there is but one way to solve this problem for good. Empirically!

We will need about a dozen volunteers, plenty of soda, and a bathtub. And probably some waivers.
Give me some suds or a small towel (no way I'm gonna show my junk to you guys) and I'm in. Well, depending on the types of soda available.
Boirunner wrote:hint: after i pee, what is where my pee used to be?
Nothing. Your bladder contracts.

Re: an important question

Posted: 23 Jun 2009, 02:02
by Jazcash
Boirunner wrote:hint: after i pee, what is where my pee used to be?
Poo.

Re: an important question

Posted: 23 Jun 2009, 02:09
by lurker
Nobody suggested you get naked; wear a swimsuit.

Re: an important question

Posted: 23 Jun 2009, 02:19
by Argh
If you drag twenty balloons under the water, they have a mass of practically nothing, but have as much volume as the same volume of heavy cannonballs.

The only difference is in the force required to keep them under the water, which isn't relevant to Boirunner's silly question.

In the pissing example, the water level does not change, because you're merely moving fluid from one place to another, with no net change in volume at all.

Oh, sure, in the longer term, water will then move out of the GI tract through the kidneys and refill that bladder, which will raise the water level in direct proportion to the amount of liquid involved vs. the volume of the bathtub (i.e., if it's wider, it will rise less).

It's no different than swishing the water around with your hand- you're exerting force on the liquid, but you aren't changing the volume, other than a teensy amount of very temporary compression that quickly reverts to Brownian motion.

Re: an important question

Posted: 23 Jun 2009, 04:35
by Beherith
So, does a polar bear pooping into the water raise the water level?
http://www.indavideo.hu/video/Jegesmedvefos (video of said act)
Ban all polar bears! They are causing the oceans to rise!

Re: an important question

Posted: 23 Jun 2009, 05:25
by smokingwreckage
Oh, sure, in the longer term, water will then move out of the GI tract through the kidneys and refill that bladder, which will raise the water level in direct proportion to the amount of liquid involved vs. the volume of the bathtub (i.e., if it's wider, it will rise less).


Only if you ate or drank.

Also how deep is the bath? If we don't know the parameters we can't calculate. But basically your body is full of fluid, so nothing there is going to compress; therefor filling your bladder expands your abdomen- (don't believe me? put on some tight jeans and a very tight belt and drink 3 cans or red bull and a half a litre of water. Then, just when you think you are gonna piss yourself- loosen the belt and unzip the jeans.) therefore the total volume of additional fluid (body plus piss) doesn't change.

Re: an important question

Posted: 23 Jun 2009, 05:45
by Argh
So, does a polar bear pooping into the water raise the water level?
It very well might, depending on how high out of the water it's arse was, or where the poop comes from :-)

Re: an important question

Posted: 23 Jun 2009, 07:05
by Pressure Line
Also, if I remember my high school physics right (it's entirely possible that I don't, I didn't really pay much attention), fluids don't compress.

Re: an important question

Posted: 23 Jun 2009, 07:21
by Peet
But the real question is....what charge does a companion have?

...what about a QUESTION?


these are all very strange kinds of ions

Re: an important question

Posted: 23 Jun 2009, 08:34
by Google_Frog
The abdominal muscles would probably play a part in keeping the post-pee body's shape therefore making the bladder a mix between a bottle and a plastic bag. So I think the water level would rise but not as much as the volume of pee.

Re: an important question

Posted: 23 Jun 2009, 10:36
by knorke
Boirunner wrote:hint: after i pee, what is where my pee used to be?
erection

Re: an important question

Posted: 23 Jun 2009, 12:00
by Spawn_Retard
Nice one OP, i Raged for a little too. Pitty people cannot see a troll post when it contains the word pee in it.

Re: an important question

Posted: 23 Jun 2009, 12:18
by Regret
Spawn_Retard wrote:Nice one OP, i Raged for a little too. Pitty people cannot see a troll post when it contains the word pee in it.
haha someone didn't get the joke

Re: an important question

Posted: 23 Jun 2009, 12:35
by Spawn_Retard
Regret wrote:
Spawn_Retard wrote:Nice one OP, i Raged for a little too. Pitty people cannot see a troll post when it contains the word pee in it.
haha someone didn't get the joke
That your a valued member of spring?

Re: an important question

Posted: 23 Jun 2009, 13:31
by Jazcash
Spawn_Retard wrote:Nice one OP, i Raged for a little too. Pitty people cannot see a troll post when it contains the word pee in it.
I'm afraid it's too late for you now Spawn, the internet has got into your bloodstream.

Re: an important question

Posted: 23 Jun 2009, 19:19
by PicassoCT
Boirunner wrote:hint: after i pee, what is where my pee used to be?
In the Swimming Pool, which gets back to you, if you take a gulp of (what you think is) water. So everything is going full circle- now open that can of 4 Times circled DinousaurierPiss called Beer and accept the fact.