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Can't find the post I was thinking of and Google is proving unhelpful. The post was a set of summed series with one varying parameter, ##n##. When ##n## was less than fifteen (I think!) the sum was zero, but it was non zero for ##n\geq 15##. This was a picture captioned something like "this is why I have trust issues". Somebody provided a Wiki link, but I can't find it and I don't remember the name...Jonathan Scott said:I'd be interested in some sort of reference for the maths. By symmetry between n and m, that sum must be zero for any finite number, but some infinite sums can be set to different values depending on how you choose to group the terms, and this one looks like one of those.
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berkeman said:BTW, this post has been reported as too political. Is anybody else offended by there being a political candidate in the meme? If so, we can deleted this sub-thread. Thanks.
Here is a politically-correct version of the meme in post #2653
pinball1970
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Who is the guy? I'm British.jack action said:
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https://en.wikipedia.org/wiki/Vince_McMahonpinball1970 said:Who is the guy?
That's no excuse. I know because I just watch Fighting with My Family, so Brits know about wrestling.pinball1970 said:I'm British.
pinball1970
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Seemed harsh, you would think a good "yeah or ye ha!" would go well in the states.Klystron said:And to think viable presidential candidate Howard Dean resigned after a harmless late-night shout...
Us Brits are rather staid.
Ok that explains it, I know a lot less about wrestling than I do about US politics which is not a lot.jack action said:https://en.wikipedia.org/wiki/Vince_McMahon
That's no excuse. I know because I just watch Fighting with My Family, so Brits know about wrestling.![]()
All seven season of the West Wing did little to prepare me for their elections, rallies, debates etc.
EDIT: "their" Jack is of course Canadian.
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pinball1970
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What did one cell tell his sister cell when she stepped on his toe?
Ouch! That’s mitosis.
Ouch! That’s mitosis.
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I've worked out what the part is from the hints, but it doesn't seem to work for me. I just get no search results. Perhaps it's export restricted... 
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I also couldn't get it via the search box, but google was more helpful:Ibix said:I've worked out what the part is from the hints, but it doesn't seem to work for me. I just get no search results. Perhaps it's export restricted...![]()
https://www.oreillyauto.com/flux-capacitor
Klystron
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Overheard exchange on that other physics website.
Fresh Kid: "I don't want you answering my questions; I want a real physics teacher."
Retired Engineer: "You want a real physics teacher?"
Fresh Kid: "That's right. A real physics teacher with a pee-ache-dee."
R.E.: "A real physics teacher with a PhD?"
F.K.: Nodding his head affirmatively, "That's right!".
R.E.: "Kid, this site is lousy with physics teachers. You can't throw a rock without hitting one."
F.K.: Nodding his head more warily, "Throw a rock?".
R.E.: "That's right, Kid. And Kid, do me a favor?", wiping spittle from her lips, "Throw it hard!".
With thanks and apologies to the Coen brothers, original exchange from "Barton Fink".
Fresh Kid: "I don't want you answering my questions; I want a real physics teacher."
Retired Engineer: "You want a real physics teacher?"
Fresh Kid: "That's right. A real physics teacher with a pee-ache-dee."
R.E.: "A real physics teacher with a PhD?"
F.K.: Nodding his head affirmatively, "That's right!".
R.E.: "Kid, this site is lousy with physics teachers. You can't throw a rock without hitting one."
F.K.: Nodding his head more warily, "Throw a rock?".
R.E.: "That's right, Kid. And Kid, do me a favor?", wiping spittle from her lips, "Throw it hard!".
With thanks and apologies to the Coen brothers, original exchange from "Barton Fink".
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Borwein integralIbix said:Can't find the post I was thinking of and Google is proving unhelpful. The post was a set of summed series with one varying parameter, ##n##. When ##n## was less than fifteen (I think!) the sum was zero, but it was non zero for ##n\geq 15##. This was a picture captioned something like "this is why I have trust issues". Somebody provided a Wiki link, but I can't find it and I don't remember the name...
pi/2 up to n=13, but then a tiny bit smaller for n=15.
pinball1970
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Some Belgian beers pass right through you. Very little to do with physics though, more to do with the sediment if you have not decanted correctly.Borg said:Sounds like a good name for a beer. Neutrino Light - it will pass right through you and you'll never know it.
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pinball1970 said:Some Belgian beers pass right through you. Very little to do with physics though, more to do with the sediment if you have not decanted correctly.
Even though gravitation might not have much to do with it, surely physics has a lot to do with the phenomenon anyway ##-## sedimentation and decantation and peristalsis are physical processes ##\dots##
pinball1970
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mfb said:Borwein integral
pi/2 up to n=13, but then a tiny bit smaller for n=15.
You can always boil everything down to physics. However to decant or not to decant is a colonic issue.sysprog said:
Even though gravitation might not have much to do with it, surely physics has a lot to do with the phenomenon anyway ##-## sedimentation and decantation and peristalsis are physical processes ##\dots##
This is not QM, GR, stars galaxies or black ho
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@Jonathan Scott - @mfb has filled in the blank in my memory.mfb said:Borwein integral
pi/2 up to n=13, but then a tiny bit smaller for n=15.
pinball1970
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I got an alert on the jokes section.mfb said:Borwein integral
pi/2 up to n=13, but then a tiny bit smaller for n=15.
Saw mfb/Ibix in the alert and knew it was going to be left field. Not even sure if its a joke!Ibix said:@Jonathan Scott - @mfb has filled in the blank in my memory.
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sysprog
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Sure, everything involves physics, but more specifically, decanting includes e.g. how you pour out of a bottle to minimize the perturbation that mixes sediments in with what goes into the glass ##-## that involves fluid dynamics, surface tension, pour angle, etc..pinball1970 said:You can always boil everything down to physics. However to decant or not to decant is a colonic issue.
This is not QM, GR, stars galaxies or black ho
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