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Thread: Stool has magical weight?

  1. #1 Stool has magical weight? 
    Forum Ph.D. Raziell's Avatar
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    I checked my weight just now before heading to the toilet to unleash a torpedo. 72.80 (160lb) exact. When I was done I looked down and my weight was 73.00 kg (160lb aswell).
    That thing that came out my rear end was friggin huge, yet without drinking or eating anything other than a glass of water. My weight didnt change (actually went slightly up).

    Sorry if this seems like an immature question, but Im genuinely curious how stool can hold no weight. The ... specimen that took a dive looked really heavy so to speak.

    The reason I wondered about this is because I did this same thing (weighing myself before and after going to the toilet) some years ago and the result was the same: My stool despite looking really huge and heavy did not contribute to any kind of weightloss.

    Is there any logical explanation to this?


    A lie is a lie even if everyone believes it. The truth is the truth even if nobody believes it. - David Stevens
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  3. #2  
    Bullshit Intolerant PhDemon's Avatar
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    Thanks, this really made me laugh


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  4. #3  
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    I don't know what kind of scale you have, but mine gives me a little bit different reading every time I step onto it. It's just not that accurate or repeatable.
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  5. #4  
    Brassica oleracea Strange's Avatar
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    That was my first thought: the mass of the waste matter is less than the measurement error. Welcome to the lab!

    Actually, it wasn't my first thought. That was something more like: eww.

    My second thought was: why didn't you weight the stool....
    ei incumbit probatio qui dicit, non qui negat
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  6. #5  
    exchemist
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    Quote Originally Posted by Strange View Post
    That was my first thought: the mass of the waste matter is less than the measurement error. Welcome to the lab!

    Actually, it wasn't my first thought. That was something more like: eww.

    My second thought was: why didn't you weight the stool....
    I'm sure there are doctors who have devoted their lives to weighing turds. Someone, somewhere, has to be an expert on it. When I was at Shell, one of our company doctors was reputed to be a world authority on anal warts. Probably not a huge amount of competition in that field, admittedly.

    Or………...perhaps Raziell has found the key to anti-gravity devices. Simply make your spacecraft out of turd and………up you go…….
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  7. #6  
    Forum Ph.D. Raziell's Avatar
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    Quote Originally Posted by Strange View Post
    That was my first thought: the mass of the waste matter is less than the measurement error. Welcome to the lab!

    Actually, it wasn't my first thought. That was something more like: eww.

    My second thought was: why didn't you weight the stool....
    My curiosity tend to reach extreme levels about real trivial stuff. This happens WAY too often. Its not that Im not tempted to actually weigh it - if I only had "use and throw" gloves and an appropriate weight. The real problem is that the girl Im currently living with (renting a room in her apartment) is really strict on hygiene.

    Suffice to say if she find me standing in the kitchen weighing a giant turd - I would definitely be looking for a new place to live

    "the mass of the waste matter is less than the measurement error" Im guessing that is it. But still strange since if I measure myself several repeated times - the weight doesent change. Anyway sorry if this mundane issue is making you facepalm. It just seemed logical that when 0.5kg of mass leaves your body it would count on the bodyweight.
    A lie is a lie even if everyone believes it. The truth is the truth even if nobody believes it. - David Stevens
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  8. #7  
    Brassica oleracea Strange's Avatar
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    Maybe it is dark matter ... (I hope it is, otherwise there is something seriously wrong)
    Last edited by Strange; June 16th, 2014 at 10:33 AM.
    ei incumbit probatio qui dicit, non qui negat
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  9. #8  
    Bullshit Intolerant PhDemon's Avatar
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    yet without drinking or eating anything other than a glass of water
    Water is quite dense. The difference in mass pre- and post- dump is 200g, this is the same mass as ~200 ml of water, the glass of water probably contained enough mass to account for a large part of the "dumped" weight and as others have noticed the scales probably are only accurate to the nearest pound or so...
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  10. #9  
    exchemist
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    Quote Originally Posted by Raziell View Post
    Quote Originally Posted by Strange View Post
    That was my first thought: the mass of the waste matter is less than the measurement error. Welcome to the lab!

    Actually, it wasn't my first thought. That was something more like: eww.

    My second thought was: why didn't you weight the stool....
    My curiosity tend to reach extreme levels about real trivial stuff. This happens WAY too often. Its not that Im not tempted to actually weigh it - if I only had "use and throw" gloves and an appropriate weight. The real problem is that the girl Im currently living with (renting a room in her apartment) is really strict on hygiene.

    Suffice to say if she find me standing in the kitchen weighing a giant turd - I would definitely be looking for a new place to live

    "the mass of the waste matter is less than the measurement error" Im guessing that is it. But still strange since if I measure myself several repeated times - the weight doesent change. Anyway sorry if this mundane issue is making you facepalm. It just seemed logical that when 0.5kg of mass leaves your body it would count on the bodyweight.
    Right. Here we go then: Fecal weight, colon cancer risk, and dietar... [Gastroenterology. 1992] - PubMed - NCBI

    See, there is some poor bastard devoting his life to this subject……...
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  11. #10  
    Bullshit Intolerant PhDemon's Avatar
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    Now that's a shit job...

    *gets coat*
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  12. #11  
    Brassica oleracea Strange's Avatar
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    This paper just got referenced on another forum:
    PLoS Negl Trop Dis. 2012;6(12):e1969. doi: 10.1371/journal.pntd.0001969. Epub 2012 Dec 20.
    An in-depth analysis of a piece of shit: distribution of Schistosoma mansoni and hookworm eggs in human stool.
    Krauth SJ1, Coulibaly JT, Knopp S, Traoré M, N'Goran EK, Utzinger J.
    ei incumbit probatio qui dicit, non qui negat
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  13. #12  
    Forum Bachelors Degree One beer's Avatar
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    I have always thought that the "toy" scales seen in some bathrooms are a waste of money and time. They are not very sensitive - they cannot record small differences, they are not very accurate, they are not stable under differing temperature and pressure, nor do they give particularly repeatable readings.*

    You are trying to measure a difference in your body mass of 0.27%, which I would suggest is a lot to ask of bathroom scales.

    OB


    * and they therefore cause misery to anyone trying to use them to "lose weight" (when they should be concentrating on losing size).

    (Strange: I loved your dark matter comment, but the forum 'like' function still seems to be broken)
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  14. #13  
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    Quote Originally Posted by One beer View Post
    I have always thought that the "toy" scales seen in some bathrooms are a waste of money and time. They are not very sensitive - they cannot record small differences, they are not very accurate, they are not stable under differing temperature and pressure, nor do they give particularly repeatable readings.*

    You are trying to measure a difference in your body mass of 0.27%, which I would suggest is a lot to ask of bathroom scales.

    OB


    * and they therefore cause misery to anyone trying to use them to "lose weight" (when they should be concentrating on losing size).

    (Strange: I loved your dark matter comment, but the forum 'like' function still seems to be broken)
    They work fine, as long as you just look at the long term trends instead of worrying about every little day to day fluctuation, which is probably just due to water weight anyway.
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  15. #14  
    Forum Cosmic Wizard
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    Quote Originally Posted by Raziell View Post
    Is there any logical explanation to this?
    It was filled with helium, no doubt due to your antics at a party involving helium balloons and speaking in a squeaky voice. Hope you kept the lid closed or you might have to clean your ceiling later.
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  16. #15  
    Northern Horse Whisperer Moderator scheherazade's Avatar
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    You drank a glass of water which would weigh very close to the amount of your 'deposit'. The small difference in weight is most likely not enough to register on your measuring device. My run-of-the-mill digital bathroom scale only weighs in 1/2 lb increments and I actually find my old analog scale to be more reliable although after so many years, the window is hard to read, dust-bunnies having apparently found their way into the device, lol. Aside from the chuckles, I suppose that I should possibly check out the available options and invest in a more accurate scale.

    I tend to weigh myself on Monday mornings upon arising after a long sleep and before ingesting anything. By weighing in at the same time and under the same circumstances weekly, I am of the opinion that I get a more accurate picture of my true weight and whether or not it is changing. I tend to stay within a predictable range.
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  17. #16  
    Forum Bachelors Degree One beer's Avatar
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    Quote Originally Posted by Harold14370 View Post
    Quote Originally Posted by One beer View Post
    I have always thought that the "toy" scales seen in some bathrooms are a waste of money and time. They are not very sensitive - they cannot record small differences, they are not very accurate, they are not stable under differing temperature and pressure, nor do they give particularly repeatable readings.*

    You are trying to measure a difference in your body mass of 0.27%, which I would suggest is a lot to ask of bathroom scales.

    OB
    They work fine, as long as you just look at the long term trends instead of worrying about every little day to day fluctuation, which is probably just due to water weight anyway.
    Agreed. Keep a diary and a rolling average of say the last three or five readings to see a meaningful trend.

    But I still don't think a 'domestic' device will be able to detect such a small change very well.

    OB
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  18. #17  
    Northern Horse Whisperer Moderator scheherazade's Avatar
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  19. #18  
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    "Should any political party attempt to abolish social security, unemployment insurance and eliminate labor laws and farm programs, you would not hear of that party again in our political history. There is a tiny splinter group, of course, that believes that you can do these things. Among them are a few Texas oil millionaires, and an occasional politician or businessman from other areas. Their number is negligible and they are stupid."
    President Dwight Eisenhower
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