Author Topic: That's it...  (Read 673 times)

xSilverPhinx

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Re: That's it...
« Reply #15 on: November 20, 2017, 09:45:34 PM »
^Brilliant! :grin:
I'm just a student of the game that they taught me.


Magdalena

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Re: That's it...
« Reply #16 on: November 21, 2017, 01:27:22 AM »
^^^

Ecurb Noselrub

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Re: That's it...
« Reply #17 on: November 21, 2017, 02:20:48 AM »
Possible explanations:

1. Vibration from fridge or other appliance;
2. Low level seismic activity;
3. Surface was slightly slanted and maybe dusty or oily;
4. You are simply mistaken about where it was placed and it fell from an unstable position;
5. Intruder;
6. ????????

xSilverPhinx

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Re: That's it...
« Reply #18 on: November 21, 2017, 12:09:29 PM »
Possible explanations:

1. Vibration from fridge or other appliance;
2. Low level seismic activity;
3. Surface was slightly slanted and maybe dusty or oily;
4. You are simply mistaken about where it was placed and it fell from an unstable position;
5. Intruder;
6. ????????

1) Could be.
2) I think this is rather unlikely. I have stuff that are way more precariously placed than a heavy stapler. Maybe I'm getting the physics of it wrong but I would think that round objects would be more easily moved by this type of occurrence.
3) Could be. Wait, are you suggesting my house isn't clean?  :snooty:
4) Could be.
5) Hopefully unlikely.
6) Or...ghosts. :grin:
I'm just a student of the game that they taught me.


Dave

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Re: That's it...
« Reply #19 on: November 21, 2017, 12:37:20 PM »
Actually, second thoughts, the possibility of an object "bouncing" across a surface is going to be a function of its bouncability as well as the energy in the vibration.. Looking at my stapler it has a plastic base to prevent slipping. If this also absorbs surface origininated vibration the posdibility of travel is reduced.

At work we had a very large vibrating table to test equipment. A quick way to check its calibration was to place a coin on it, wind up the amplitude at 50 cycles and listen for "chattering". That indicated that the coin was being "launched" by a fraction over one gravity acceleration. If left alone the coin would eventually fall off the table.

But it took that 1g+ acceleration to achieve travel. That is quite noticeable at low frequency, at higher frequencies less amplitude is needed but a  "resonance" effect comes into play. There is a loose component in the external part of the balanced flue of my gas heater. Aluminium plate probably weighing 50 grams or more. If a prop driven aircraft flies over, even quite high, the engine noise, despite only being a tiny amplitude and minute fraction of a Watt, will rattle that plate.
Tomorrow is precious, don't ruin it by fouling up today.

Ecurb Noselrub

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Re: That's it...
« Reply #20 on: November 21, 2017, 02:08:48 PM »
Possible explanations:

1. Vibration from fridge or other appliance;
2. Low level seismic activity;
3. Surface was slightly slanted and maybe dusty or oily;
4. You are simply mistaken about where it was placed and it fell from an unstable position;
5. Intruder;
6. ????????

1) Could be.
2) I think this is rather unlikely. I have stuff that are way more precariously placed than a heavy stapler. Maybe I'm getting the physics of it wrong but I would think that round objects would be more easily moved by this type of occurrence.
3) Could be. Wait, are you suggesting my house isn't clean?  :snooty:
4) Could be.
5) Hopefully unlikely.
6) Or...ghosts. :grin:

Yeah, it's pretty clear that it was a ghost. The other options are possible at best, but ghosts are probable.  The matter is settled. 

xSilverPhinx

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Re: That's it...
« Reply #21 on: November 21, 2017, 11:00:26 PM »
Actually, second thoughts, the possibility of an object "bouncing" across a surface is going to be a function of its bouncability as well as the energy in the vibration.. Looking at my stapler it has a plastic base to prevent slipping. If this also absorbs surface origininated vibration the posdibility of travel is reduced.

At work we had a very large vibrating table to test equipment. A quick way to check its calibration was to place a coin on it, wind up the amplitude at 50 cycles and listen for "chattering". That indicated that the coin was being "launched" by a fraction over one gravity acceleration. If left alone the coin would eventually fall off the table.

But it took that 1g+ acceleration to achieve travel. That is quite noticeable at low frequency, at higher frequencies less amplitude is needed but a  "resonance" effect comes into play. There is a loose component in the external part of the balanced flue of my gas heater. Aluminium plate probably weighing 50 grams or more. If a prop driven aircraft flies over, even quite high, the engine noise, despite only being a tiny amplitude and minute fraction of a Watt, will rattle that plate.

I think the resonance effect depends on the material too, does it not? Maybe a certain frequency would get the stapler moving without having any effect on the surrounding objects. The stapler also has a plastic base, but the surface it was on is a (clean) smooth granite counter. I don't know, just guessing.
I'm just a student of the game that they taught me.


xSilverPhinx

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Re: That's it...
« Reply #22 on: November 21, 2017, 11:01:47 PM »
It was the force. Luke is not pleased by the googly eyes!

Blasphemy. He has lovely googly eyes.
I'm just a student of the game that they taught me.


xSilverPhinx

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Re: That's it...
« Reply #23 on: November 21, 2017, 11:02:27 PM »
Possible explanations:

1. Vibration from fridge or other appliance;
2. Low level seismic activity;
3. Surface was slightly slanted and maybe dusty or oily;
4. You are simply mistaken about where it was placed and it fell from an unstable position;
5. Intruder;
6. ????????

1) Could be.
2) I think this is rather unlikely. I have stuff that are way more precariously placed than a heavy stapler. Maybe I'm getting the physics of it wrong but I would think that round objects would be more easily moved by this type of occurrence.
3) Could be. Wait, are you suggesting my house isn't clean?  :snooty:
4) Could be.
5) Hopefully unlikely.
6) Or...ghosts. :grin:

Yeah, it's pretty clear that it was a ghost. The other options are possible at best, but ghosts are probable.  The matter is settled.

It's what I knew all along! My beliefs have been validated.
I'm just a student of the game that they taught me.


Dave

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Re: That's it...
« Reply #24 on: November 22, 2017, 06:46:22 AM »
Actually, second thoughts, the possibility of an object "bouncing" across a surface is going to be a function of its bouncability as well as the energy in the vibration.. Looking at my stapler it has a plastic base to prevent slipping. If this also absorbs surface origininated vibration the posdibility of travel is reduced.

At work we had a very large vibrating table to test equipment. A quick way to check its calibration was to place a coin on it, wind up the amplitude at 50 cycles and listen for "chattering". That indicated that the coin was being "launched" by a fraction over one gravity acceleration. If left alone the coin would eventually fall off the table.

But it took that 1g+ acceleration to achieve travel. That is quite noticeable at low frequency, at higher frequencies less amplitude is needed but a  "resonance" effect comes into play. There is a loose component in the external part of the balanced flue of my gas heater. Aluminium plate probably weighing 50 grams or more. If a prop driven aircraft flies over, even quite high, the engine noise, despite only being a tiny amplitude and minute fraction of a Watt, will rattle that plate.

I think the resonance effect depends on the material too, does it not? Maybe a certain frequency would get the stapler moving without having any effect on the surrounding objects. The stapler also has a plastic base, but the surface it was on is a (clean) smooth granite counter. I don't know, just guessing.
Without having to research to refresh my memory: material certainly counts, but I have the feeling it is complex. Stiff membranes (as in string instruments) resonate well and csn oroduce harmonics thst add to the effect, but even flabby structures (like the human gut) have their (much lower) resonsnces.

The shape and mass of the structure count as well, of course. Normally takes more energy to resonate a hesvy mass, like granote, but I will be cagey there. Our vibration table was fixed on a metre cube of concrete to reduce vibration into the building, very low resonant frequency.

Ghost is easiest opt-out explanation here!
Tomorrow is precious, don't ruin it by fouling up today.

Magdalena

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Re: That's it...
« Reply #25 on: November 22, 2017, 07:22:19 AM »
...
Ghost is easiest opt-out explanation here!
NO! No, no.
I refuse to believe this.
I rather believe that xSilverPhinx's paralyzed dog has telekinetic powers that she doesn't know about.
That...
Or there is a wormhole on her (clean) smooth granite counter.

But it's not a ghost.  :snooty:

Sandra Craft

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Re: That's it...
« Reply #26 on: November 22, 2017, 10:34:48 AM »
...
Ghost is easiest opt-out explanation here!
NO! No, no.
I refuse to believe this.
I rather believe that xSilverPhinx's paralyzed dog has telekinetic powers that she doesn't know about.
That...
Or there is a wormhole on her (clean) smooth granite counter.

But it's not a ghost.  :snooty:

So it's a ghost vs. a telekinetic dog vs. a countertop with wormhole technology?  I honestly don't know where to go from here.
Sandy

  
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Dave

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Re: That's it...
« Reply #27 on: November 22, 2017, 10:39:12 AM »
...
Ghost is easiest opt-out explanation here!
NO! No, no.
I refuse to believe this.
I rather believe that xSilverPhinx's paralyzed dog has telekinetic powers that she doesn't know about.
That...
Or there is a wormhole on her (clean) smooth granite counter.

But it's not a ghost.  :snooty:

So it's a ghost vs. a telekinetic dog vs. a countertop with wormhole technology?  I honestly don't know where to go from here.
Sentient, but possibly suicidal, stapler?
Tomorrow is precious, don't ruin it by fouling up today.

Magdalena

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Re: That's it...
« Reply #28 on: November 22, 2017, 02:01:36 PM »
...
Ghost is easiest opt-out explanation here!
NO! No, no.
I refuse to believe this.
I rather believe that xSilverPhinx's paralyzed dog has telekinetic powers that she doesn't know about.
That...
Or there is a wormhole on her (clean) smooth granite counter.

But it's not a ghost.  :snooty:

So it's a ghost vs. a telekinetic dog vs. a countertop with wormhole technology?  I honestly don't know where to go from here.
Sentient, but possibly suicidal, stapler?
OR...or...there could be a pack rat in the house! Maybe it tried to take the stapler but it was too heavy.  :eyebrow:

Sandra Craft

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Re: That's it...
« Reply #29 on: November 23, 2017, 12:36:03 AM »
OR...or...there could be a pack rat in the house! Maybe it tried to take the stapler but it was too heavy.  :eyebrow:

But what would a rat have to staple?  :thinking:
Sandy

  
"I think this is the prettiest world -- as long as you don't mind a little dying, how could there be a day in your whole life that doesn't have its splash of happiness?"  from The Kingfisher, by Mary Oliver