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'[TECH] Where socks go to emigrate'
2011\12\30@142714 by John Gardner

picon face
If you find stuff in there, look in the dryer exhaust duct too   :

2011\12\30@150107 by RussellMc

face picon face

Gus said
> I cut a hole in the side of my clothes dryer because the idler wheel
bearing had died.
> I found ...
          at end

                 BCCs: If my into bores - skip to the attached article -
its (almost) worthwhile.

I am not an appliance repairer, but seem to have supplied emergency
remediation for more than a few appliances over the years.

On a number of occasions, none recent, I have found the water pump in
washing machines disabled by a single hairclip, lodged diagonally in the
works. These are the old but newer electric pumps which do not have enough
stuffing to dismember said hairclips. The old but older mechanically driven
pumps are made of sterner stuff. Most impressive find  was an intact pair
of ladies panties completely inside a waterpump.

Probably top of the "now how did that get there" list was the long ago find
of a very large and  jagged grass seed lodged in the main jet in my
motorcycle carburettor. There was an apparently intact mesh filter in the
tank fuel pipe inlet and the seed would also have to traversed the fuel
pipe and carburetor passage.

BUT - Gus's find reminded of a long ago paper whose original form has
vanished but, thanks to the mysteries of QM and internet archives, lives

To wit:

Home <>  The Quantum Theory of Laundry
(Thanks to Alex Kruppa for this link.) At last! Dr. Brian Reardon's QTL page
* details a rigorous theoretical framework that explains the following
formerly mysterious phenomena:

  - Where, exactly does lint come from and why does the quantity of lint
  change from load to load?
  - If the washing machine is a closed system, how can socks disappear?
  - When using public washing machines and dryers, why is it that every
  once in a while you will find someone else's socks in your load even when
  you checked the washer/dryer ahead of time?

The above site also many provides practical guidelines (some quite
counterintuitive) for all users of modern automatic laundry equipment. It

  - Why you should never open the washer or dryer to check on the state of
  your laundry during a cycle.
  - Why you should never clean the lint trap.
  - (For users of public laundry facilities) Why you should always use the
  same washer and dryer, especially if you are missing items from previous

* - Dr. Reardon's original page seems to have vanished from the web, so I
present a cached copy below. My annotations are in the form *[annotation]* :
Laundry: A Quantum Mechanical Approach
by: Brian J. Reardon <>
IntroductionIt has been argued that the act of doing laundry followed the
discovery of clothing by only a few weeks. While this fact has been
regarded to be fantastically trivial, one can not ignore the enigmas that
the act of doing laundry has created. This is especially true in the age of
high speed washers and dryers. In the early days, the disappearance of
articles of clothing could simply be accounted for by saying that the sock
was lost in the river. Unfortunately, such excuses can no longer be used
today. The availability of high speed automated washers and dryers has
provided a number of fundamental questions that can not be answered using
the classical laundry theory (i.e.: the river washed the sock away). Such
questions include:

  - Where, exactly does lint come from and why does the quantity of lint
  change from load to load?
  - If the washing machine is a closed system, how can socks disappear?
  - When using public washing machines and dryers, why is it that every
  once in a while you will find someone else's socks in your load even when
  you checked the washer/dryer ahead of time?

The inability to answer these questions using the classical theory of
laundry resulted in the development of new theories.

This paper is a simple introduction to the quantum theory of laundry. As a
result, it only deals with the simplest example in which a sock is analyzed
in either a washer or a dryer. The mathematics involved in the analysis of
a sock in both a washer and dryer and in transition between the two is left
for more advanced laundry courses.

The first modern attempt to explain the fundamental questions of laundry
involved the decay theory. The decay theory states that the quantity of
socks in a load can be expressed as a decreasing exponential function of
time which is analogous to radioactive decay (see equation 1).
Nt = N0*exp(-pt).    (1)

The decay theory easily explains the origin of lint and why new socks tend
to release more lint than old socks. However, according to this theory,
socks should never completely disappear, or, more importantly, reappear.
This clearly contradicts everyday experience.

The Quantum Theory of LaundryThe quantum theory of laundry (QTL), however,
can explain the fundamental questions of laundry. The QTL is base on three
intuitive assumptions.

  - The sock never leaves the enclosed system of the washer or dryer.
  - While the sock is confined to the total washer system it is not
  confined to the main washing compartment. It may be in the main washing
  compartment, in the lint trap , or anywhere in between.
  - The sock can be expressed mathematically as a wave function of
  position and time (Y(x,t)).

These assumptions can be mathematically manipulated to provide a number of
functions and conditions which are in close correspondence to quantum

  - The first such condition is that the error is observing the position
  of a sock in a system multiplied by the error in measuring the momentum of
  the sock as it travels in the system is a constant. This relation is
  commonly referred to in quantum mechanics circles as the Heisenberg
  Uncertainty Principle (see equation 2). The implication of this relation is
  quite profound. If one disturbs the washer by looking in it or if one ends
  its cycle, the act of observing the sock in the main compartment will
  increase the error in knowing exactly how fast the sock is moving within
  the system as a whole. This means that the computerized tracking system in
  the machine that tries to maintain a statistical analysis of where every
  sock might be may accidentally misplace a sock somewhere in the washing

  Δp Δq >h/(4Ï€).    (2)

  *[Here, Δp and Δq are the uncertainties in position and momentum,
  respectively, and h is Planck's constant.]*

  - The second result of the basic assumptions of the QTL is that the sock
  must always be somewhere in the washing system. This implies that the
  probability of finding the sock somewhere within the system at any time
  must always equal unity, or, the integral of the sock wave function squared
  must equal 1 (see equation 3).

  ∫Y*Ydx = ∫|Y|2dx = 1.    (3)

Using these assumptions, a general form of the wave function for the sock
in the washer can be inferred. This function is identical to the standard
solution to the Schrödinger Wave Equation (SWE) and can be expressed as two
partial derivatives of time and space.

-h2∂2Yih ∂Y
+ V(x,t) =

The sock wave functions that satisfy the SWE can take three forms that
represent the three different possible places the sock can reside within
the washing system. The entire system can be pictured as an infinite
potential energy well that contains a finite energy barrier. The main
washing compartment is represented as a potential well (5), the washing
system is represented by the potential barrier (6), and the lint trap is
represented by another, but narrower, potential well (7).

Y1(x,t) = A*sin(kx-wt) + B*cos(kx-wt)    (5)

Y2(x,t) = E*exp(-Fx-ut)    (6)

Y3(x,t) = C*sin(kx-wt) + D*cos(kx-wt)    (7)

Where, the constants A, B, C, D, E, and F, are material properties of the
sockand washer system and w, k, and u are cyclic properties of the postion
of the sock within the washer.

The QTL explains the fundamental of problems of laundry in a very direct
manner. The origin of lint can now be defined as the sum of probabilities
that a sock traveled or tunneled through the washing system into the lint
trap. The sock tunneling phenomenon is analogous to the electron tunneling
phenomena in quantum mechanics. The occasional presence of large quantities
of lint is easily explained by the real likelihood that entire socks can
spontaneously take on the wave function of the lint trap.

The QTL also explains that socks never actually disappear. Quite simply, at
the time of disturbance or stopping of the machine they have a wave
function that puts them temporarily in the washing system or completely
converts them to lint.

Furthermore, if a machine is disturbed during a subsequent washing cycle
there is a finite probability that a sock lost in previous cycles may
reappear in the main washing compartment. This explains the appearance of
other people's sock in your wash.

Lastly, the disappearance of entire loads can be explained by the existence
of the finite probability that all of the socks in the main compartment
have taken on the wave function of the lint trap and subsequently turned to
lint. This further implies that instead of accusing someone of stealing
your socks, running the machine while empty for long periods of time will
increase the chances of retrieval of most of the socks.

While the current implications the QTL seem extraordinary, the far reaching
implications may redefine laundromat etiquette for centuries to come.

  - The more often you disturb the system the greater the chance of losing
  a sock and the greater the chance of retrieving a previously lost sock from
  someone else's load.
  - Furthermore, there is always a probability that an entire load of
  socks can be lost since the act of disturbing the machine is always a part
  of doing laundry.
  - Thirdly, throwing away lint makes the retrieval of lost socks more
  difficult. So in all fairness to everyone who as ever used the machine, the
  lint should never be removed.
  - Fourthly, and for the individual, most importantly, when at a
  Laundromat one should always insist on using the same washer and dryer to
  increase your chances of retrieving previously lost socks.
  - Lastly, and most importantly, washing machine repairpersons will now
  be required to have extensive backgrounds in quantum mechanics.

Last modified: August 19, 1997Keeper of the page: / Brian J.
------------------------------ -- Last Revised: 21 May 2005
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On 31 December 2011 07:33, YES NOPE9 <> wrote:

{Quote hidden}

2011\12\30@215051 by Denny Esterline

picon face
> Take a look at my Miata which has a hitch and an exposed timing belt (
> going on 70,000 miles with it missing ).
> I can look at my timing belt and evaluate it's condition.
> I have fixed a clutch this way as well.
> 99guspuppet

I must confess to a certain curiosity about the cliplead to the brake
line... ???


2011\12\31@001910 by YES NOPE9

my temperature switch for the radiator fan died.
the switch would close to ground to turn on the fan.
so i just grounded the switch permanently ( to brake line ).   The fan runs all the time.

{Quote hidden}

> -Denny

2011\12\31@012802 by cdb

I'm afraid this research is invalid as it doesn't take all parameters and variables into account.

Due to the Samoan time shift continuum and the resulting wave folding in time here in Qld, I lost one of my Thursday socks (pack of 7 from M&S if anyone needs that information) today. I searched the washing machine - no sign, I searched the garden incase of LIBF (Laundry in Basket Fallout) on the way to the clothes line. Two hours of searching, frayed temper and feline disabusement later ("what me?" she said, my owner has lost the plot) I discovered the flaw in the research.
No account has been made for LIT - (lost in transit) due to the matrix mechanics of one taking ones socks off whilst actually in bed - one sock had made it to the appropriate recepticle whereas the recalcitrant one had buried itself into the nether regions of the bed sheets. Heisenberg principle of time and position proved.

My dilemma, now, is, I am left with only one clean Thursday sock, this means I'm going to have to wait at least a sennight before I can regain a complete Thursday sartorialness!

cdb, on 31/12/2011
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2011\12\31@080732 by YES NOPE9

I find lots of things under the covers at the foot of my bed

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