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quantum physics

Monty Python said:
Currently, the whole physics lays on two main theories: "standard model" (which includes quantum mechanics) and Einstein's general relativity (gravitational theory) which are in sharp contradiction and that is one of the main problems in today's physics.
I know it sure keeps me up at night. ;)

Which one of these theory explains why, when my dog shits on the floor in the middle if the night, I will step on it when I get up in the morning... even though the turd only occupies 4 square inches in a 2000 square foot house?
 

PDSAjax

New member
Jun 1, 2007
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- "What're quantum mechanics?"
- "I don't know. People who repair quantums, I suppose."


-- (Terry Pratchett, Eric)
 
Feb 21, 2007
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Stoo said:
Which one of these theory explains why, when my dog shits on the floor in the middle if the night, I will step on it when I get up in the morning... even though the turd only occupies 4 square inches in a 2000 square foot house?
That's easy.....your dog want you to be able to find it easily. After all, you are a stupid human, with a very poor sense of smell (compared to a dog).

Your dog is very thoughtful.;)
 
Thank you both for that explanation. I especially like how he waited until the mild weather so that when I came downstairs, I was just in bare feet. Nothing like cold dog shit skootching between your toes first thing...

Sorry for the hijack.

Farking Murphy.
 

snowleopard

Sexus Perplexus
Feb 15, 2004
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Wandering the peaks
Stoo said:
Which one of these theory explains why, when my dog shits on the floor in the middle if the night, I will step on it when I get up in the morning... even though the turd only occupies 4 square inches in a 2000 square foot house?
Haven't you heard of 'Schrödinger's cat' ... or in this case 'dog?'

Quantum reality contains all the probable outcomes. Only at such time that you 'create' the event, does quantum reality collapse into many alternate worlds: one in which you step in the shit ... and the ones in which you don't.

Question is, why do you keep creating the shitty one? ;)
 

Cassini

Active member
Jan 17, 2004
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Studying quantum physics is like studying women. You can read all the books, take all the courses, talk to all the experts, and still have no idea will what happens next. It is all probabilities.

Also, watch out for the quantum entanglement. Entanglement is really cool, but there can be lots of complexities.
 
This:

Cassini said:
Studying quantum physics is like studying women. You can read all the books, take all the courses, talk to all the experts, and still have no idea will what happens next. .
Reminds me of a joke:

A man walking along a California beach suddenly comes across a dirty old bottle. He picks it up and starts rubbing the dirt off to see what the bottle is. Suddenly a Genie appears! The genie says "Thank You! Thank you for freeing me from my prison. For this I will grant you one wish! "But am I not supposed to get 3?" The man asks. "You've been reading too many fantasy stories... you only get one, so you had better make it a good one" The genie retorts!

The man said, "OK. I want to go to Hawaii, but I am severely afraid of flying, Can you build a bridge to Hawaii so I can drive over anytime I want."

The genie says, "Your kidding right?! Think of the enormous challenges for that kind of undertaking. The physics involved, the supports to the bottom of the Pacific! The concrete and steel it would take! Forget it... pick a new wish."

The man thought about it for a long time. Finally he said, "OK, I wish that I could understand my wife. I want to know how she feels inside, what she's thinking when she gives me the silent treatment, why she cries, what she means when she says nothing's wrong, and how I can make a woman truly happy."

The genie replied, "You want two lanes or four on that bridge?":D
 

AdmiralG

New member
Oct 13, 2004
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OK Class,

Let's begin.....

I have received the basic question about the Quantum Physics references in "The Secret" via PM, summarized as follows:

The basic premise is '' send out good vibes and good thoughts and you can create your own future" , whatever you want in the Universe will be drawn to you.
The secret claims that due to quantum physics things really are not as they appear and its all some kinda giant interwoven soup ( the Universe ) and you can draw whatever you want to you by thoughts, vibrations and energy.


A tenet of Quantum Mechanics (QM) that "The Secret" seems to co-opt is the Copenhagen Interpretation of quantum mechanics which says there exists no objective physical reality other than that which is revealed through measurement and observation.

With a hat tip to JohnFK and snowleopard, let's avoid the math for a moment and employ one of Richard Feynman's favorite techniques. Dick loved using concrete examples to help understand things. In this case, let's use the famous "Schrodinger's Cat" thought experiment.

For those of you who missed that lecture, the basic premise is this:

A cat is penned up an a box, along with a device that will kill the cat if a radioactive particle therein decays during a given period of time - typically one hour. The probability of the decay taking place is 50%. (Wikipedia, while hardly an authoritative scientific reference, has a pretty good summary. )


So, if you put a cat in the device and wait an hour, is the cat dead or alive?


The prevailing view of QM for many years was that the correct answer was: Neither - until you open the box and observe the cat. Einstein was never a fan of that model, but let's run with it for now.

"The Secret" would have you believe that if the observer was a die-hard cat lover and wished and prayed intensely for the duration of the experiment, sending out "good vibrations" to the universe (and presumably the cat), that the cat has a better than 50% chance of being alive when finally observed at the end of the hour.

If we repeat this experiment 1000 times is there anyone willing to bet the mortgage that a particularly attuned observer can save all of the cats?
Anyone? Bueller? Anyone?

OK. Anyone willing to bet our feline friendly observer can save 2/3 of the cats?
<crickets chirping>

Last chance, anyone willing to bet our cat lover can save 55% of the cats?
Hey, its better odds than Lotto 6/49 ......

Sorry, but repeated enough times, this experiment will end up with 1 dead cat for every live one.


Even the school of physics that believes the postulate that the cat is neither alive nor dead until observed has never for one instant believed (or even proposed) that the observer's (or anyone else's) wishes, thoughts or "good vibrations" can impact the outcome of the experiment.

Einstein believed that the fate of the cat was sealed before the hopeful observer opened the box, leading to his famous quote "God does not play dice."

If you could draw whatever you want to you by thoughts, vibrations and energy, then our cats would have a much better survival rate.

The claim in "The Secret" that you can draw whatever you want to you by thoughts, vibrations and energy is complete BS as far as quantum mechanics (or any other legitimate science) is concerned.


For those who claim to have been helped or had success via "The Secret" I would suggest that perhaps its the extra focus on a specific goal or outcome that is the contributing factor to your success. Every goal setting guide will tell you to be specific and concrete in your goals. Check back often and adjust the course as necessary, etc., etc. Perhaps the "good thoughts and vibrations" were serving the role of making you actually specify your goal and keeping you focused on it more frequently.


Class dismissed.

Legal Notice: No cats were harmed during this seminar.
 
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