Random Thoughts Part 4 - Split Thread

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    Random Thoughts
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The discussion revolves around a variety of topics, beginning with the reopening of a thread on the Physics Forums. Participants express relief at the continuation of the conversation and share light-hearted banter about past threads. There are inquiries about quoting from previous threads and discussions about job opportunities for friends. The conversation shifts to humorous takes on mathematics, particularly the concept of "Killing vector fields," which one participant humorously critiques as dangerous. Participants also share personal anecdotes, including experiences with power outages and thoughts on teaching at university. The tone remains casual and playful, with discussions about the challenges of winter, the joys of friendship, and even a few jokes about life experiences. The thread captures a blend of humor, personal stories, and light philosophical musings, all while maintaining a sense of community among the forum members.
  • #3,251
Just noticed now there is a red, close button at the upper right of the profile panel when you click on someone's username. Why should it be there when it's much quicker to click on anywhere outside the panel to close it?
 
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  • #3,252
zoobyshoe said:
Yeah, I noticed that. It seems suddenly very prominent and insistent.

Someone warn ram2048 (or is it ram3072 now?)

On an unrelated note, I hate it when people say stuff like "maths and logic don't apply to everything". The argument is used to cheaply counter some quantitative claim about a non-STEM or finance issue. Just thinking about this makes me a little angry. I feel like people who aren't very good at maths tend to look at it as some esoteric art with no connection to "human" or "normal" issues.
 
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  • #3,253
Got a rash in my arm, seems like an allergic reaction. I don't remember ever having had one.
 
  • #3,254
HomogenousCow said:
Someone warn ram2048 (or is it ram3072 now?)

On an unrelated note, I hate it when people say stuff like "maths and logic don't apply to everything". The argument is used to cheaply counter some quantitative claim about a non-STEM or finance issue. Just thinking about this makes me a little angry. I feel like people who aren't very good at maths tend to look at it as some esoteric art with no connection to "human" or "normal" issues.

I agree overall. Some in the humanities are upset at the tremendous success of science. And now, with the age of Big Data and analytics, I guess even more so. So maybe if you meet one of these people, you can tell them the old joke: What's the difference between a History major and a large pizza? The large pizza can feed a family of four. Not too funny, but will surely shake them a bit. You can of course sub in different Humanities majors.

Maybe I will report my own comment, I am temped by the button below.
 
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  • #3,255
Change is good. Buttons are good. All is well at PF. :oldbiggrin:
 
  • #3,256
blue_leaf77 said:
Just noticed now there is a red, close button at the upper right of the profile panel when you click on someone's username. Why should it be there when it's much quicker to click on anywhere outside the panel to close it?
I guess it only is due to an imminent endeavor for theoretical completeness: occupational disease.
 
  • #3,257
Interesting: It seems like an obstacle to learning is that our minds are wired , for survival, to detect
differences, and not sameness. So it would seem like making it a point to find distinctions in the
material would help in this sense.
 
  • #3,258
WWGD said:
Interesting: It seems like an obstacle to learning is that our minds are wired , for survival, to detect
differences, and not sameness. So it would seem like making it a point to find distinctions in the
material would help in this sense.
Same difference, dude.
 
  • #3,259
zoobyshoe said:
Same difference, dude.
I disagree: Different sameness is more like it. I guess we can find some Buddhist monks to duke it out and decide which one is right.
 
  • #3,260
WWGD said:
I disagree: Different sameness is more like it. I guess we can find some Buddhist monks to duke it out and decide which one is right.
I think you might be right.
 
  • #3,261
zoobyshoe said:
I think you might be right.
But we may have to wait until they can describe the sound of one hand clapping, I heard there still on that one.
 
  • #3,262
WWGD said:
But we may have to wait until they can describe the sound of one hand clapping, I heard there still on that one.
I guess there's still no difference between the sound of "there" and "they're," though.
 
  • #3,263
zoobyshoe said:
I guess there's still no difference between the sound of "there" and "they're," though.

Yes, Buddhist monks, that's what there about. At least that's what someone said they're.
 
  • #3,264
zoobyshoe said:
I guess there's still no difference between the sound of "there" and "they're," though.
... and 'their' as well.
Then again there is 'wind'(air) and 'wind'(eg, a clock), which are pronounced differently
 
  • #3,265
WWGD said:
Yes, Buddhist monks, that's what there about. At least that's what someone said they're.
I think I might report this.
 
  • #3,267
WWGD said:
But we may have to wait until they can describe the sound of one hand clapping, I heard there still on that one.
It sounds like the wing beats of a pig on take off, so I read.
 
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  • #3,269
somewebsiteIfound said:
The transistor comes in many forms but its most striking or distinguishing characteristic is its having three leads (or terminals) unlike the resistor, capacitor, or diode. It is sometimes regarded as a combination of two diodes joined together on either their positive or negative terminals, thereby, resulting into a component with three terminals.

Does this mean if you have two diodes you can make a transistor out of them?
 
  • #3,271
Woohoo. I'm signed up for 6 private lessons of Tai Chi.

Prepare for very gentle butt whoopings!
 
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  • #3,272
Ohh, Tai Chi - you will know what sore arms feel like :)
 
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  • #3,273
Someone just linked to this painting on Facebook. I found it to be spooky. It's called, "Euglena."

Screen shot 2015-12-13 at 2.34.09 PM.png
 
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  • #3,274
dkotschessaa said:
Woohoo. I'm signed up for 6 private lessons of Tai Chi.

Prepare for very gentle butt whoopings!
I started it karate at one point but drop it after like a week. All I remember is how to do the shouting.
 
  • #3,275
Seems like either today or yesterday is/was the 100th birth anniversary of Frank Sinatra, Chairman of the Bored.
 
  • #3,276
zoobyshoe said:
Someone just linked to this painting on Facebook. I found it to be spooky. It's called, "Euglena."

View attachment 93324

My mom received a sculpture of an owl a few years back. She kept it by her bedside and had to throw it out after she would wake up halfway through the night , EDIT just to be staring at the owl's face glowing in the dark, which would freak her out. Quite a weird gift to be giving, I would say.
 
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  • #3,278
jim hardy said:
"flagellate protists" sounds like a cult, maybe a sexual one. Editr: BTW, it is possible to use standard words to write a Math paper called: "Ball-packing in Fock spaces of Tight Curvature". I may just use the title for the next one I write.
 
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  • #3,279
WWGD said:
"flagellate protists" sounds like a cult, maybe a sexual one.
A wide spread one: single cell sex! Not to be confused with sex sells. Btw: when did we switch from simple cell division to sexual reproduction and who is to blame?
 
  • #3,280
fresh_42 said:
A wide spread one: single cell sex! Not to be confused with sex sells. Btw: when did we switch from simple cell division to sexual reproduction and who is to blame?
Don't blame it on me, I just wrote the post!
 
  • #3,281
AHC , "American Heroes Channel" finally showing a documentary on WW1 after showing docs. on WW2 almost 24/7.
 
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  • #3,282
fresh_42 said:
A wide spread one: single cell sex! Not to be confused with sex sells. Btw: when did we switch from simple cell division to sexual reproduction and who is to blame?
I blame zygotes.
https://en.wikipedia.org/wiki/Zygote
 
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  • #3,283
Current temperature at the South Pole: -20 F, -29 C.
 
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  • #3,284
zoobyshoe said:
Current temperature at the South Pole: -20 F, -29 C.
Temperature at the North Pole is -15F, -26 C . EDIT
http://climatekids.nasa.gov/polar-temperatures/
It seems, on average, South Pole is colder than North Pole.
EDIT2: I am too lazy to check why they cite a single number when one asks for temperature, as if temperature was uniform throughout both poles.
 
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  • #3,285
I know it is just meant for ratings, but I still get upset when I hear:

1) " The lie detector determined" . Lie detectors are little more than electronic Ouija boards

2) "Alien theorists believe that..." An alien theorist; theorist used in the loosest possible sense of someone having a theory, theory in the loosest sense of putting together ideas at random to see if anything sticks. No research, no data, just a "What if ", without support.

I should have been jaded by now, but somehow I am not.
 
  • #3,286
Just read: US town rejects solar farm amid worries it would "suck up all the energy from the Sun" - Woodland, NC.
Still asking myself whether we have 1st of April.
 
  • #3,287
WWGD said:
I... theorist used in the loosest possible sense of someone having a theory ...
Unfortunately the word 'theory', while having a definite meaning in science - as an coherent explanation of something,
it is also commonly used in general conversion to mean just 'an idea', no matter how crazy and unsupportable it may be.
I think that usage is acceptable as spoken English, but it does confuse things that there are theories which are acceptable science, and other which are not science and don't pretend to be.
Such as 'My theory is that team X will win the trophy this year', acceptable English, but not a theory in the scientific meaning.
 
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  • #3,288
rootone said:
Unfortunately the word 'theory', while having a definite meaning in science - as an coherent explanation of something,
it is also commonly used in general conversion to mean just 'an idea', no matter how crazy and unsupportable it may be.
Seriously, the word is abused so much these days.
 
  • #3,289
rootone said:
Unfortunately the word 'theory', while having a definite meaning in science - as an coherent explanation of something,
it is also commonly used in general conversion to mean just 'an idea', no matter how crazy and unsupportable it may be.
Yes! One of the most favorite replies I've read on online discussions about evolution was: "It is only a theory. Not proven." You can fill entertaining evenings upsetting the trolls.
 
  • #3,290
Yes, Evolution " Is just a theory". I think this is formally called a fallacy of equivocation.
 
  • #3,291
WWGD said:
Yes, Evolution " Is just a theory". I think this is formally called a fallacy of equivocation.
The fallacy of equivocation occurs when a key term or phrase in an argument is used in an ambiguous way, with one meaning in one portion of the argument and then another meaning in another portion of the argument.

Example: "It is false to claim feathers are lighter than canon balls, because a black bird's feather reflects much less light than a canon ball, and actually appears much darker."
 
  • #3,292
The best way to print from my laptop:
My phone connects fine to my wifi, my laptop does not (although it's fine elsewhere)
My phone serves as an access point to my laptop
My laptop prints better with google cloud print than on the LAN, so I sent the document through my phone, to the cloud
which comes back through the cloud to my LAN which sends it to my printer
Which is 2 feet away from where I am printing.
 
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  • #3,293
Use a USB cable?, but then you might not have one with the right connector at both ends.
 
  • #3,294
rootone said:
Use a USB cable?, but then you might not have one with the right connector at both ends.

Indeed, the meaning of the word "universal" seems to have been lost on all the people making USB cables.
 
  • #3,295
dkotschessaa said:
Indeed, the meaning of the word "universal" seems to have been lost on all the people making USB cables.
How about wireless printing?
 
  • #3,296
zoobyshoe said:
Example: "It is false to claim feathers are lighter than canon balls, because a black bird's feather reflects much less light than a canon ball, and actually appears much darker."
Yes, and in this case it is first used colloquially, as in everyday language and then it is used in its more formal way. So I think it does fall into that category of equivocation. Like one I hear or read a while back: "My Achilles heel is not my Achilles heel" , with the first one used figuratively and the second one used literally, as in the body part. Without explanation, it seems like a contradiction: A is not A..
 
  • #3,297
There seems to me to be a general problem with the clash between technical and colloquial language. It just hits science hard because there are substantial lobbies with little interest in reality - so evolution is "just a theory" and "chemicals are bad for you".

I once saw a "man in the street interview" with someone who didn't want to eat GM products because they have genes in.
 
  • #3,298
Ibix said:
There seems to me to be a general problem with the clash between technical and colloquial language. It just hits science hard because there are substantial lobbies with little interest in reality - so evolution is "just a theory" and "chemicals are bad for you".

I once saw a "man in the street interview" with someone who didn't want to eat GM products because they have genes in.

And it becomes confusing because sometimes people switch in their usage between technical and colloquial within the same conversation, but they don't make it clear in what sense they are using their words, in the informal sense or in a formal/rigorous sense. It can become really confusing. It is an art to navigate between the two, and few are good at it.
 
  • #3,299
Ibix said:
I once saw a "man in the street interview" with someone who didn't want to eat GM products because they have genes in.
Exactly. Real clean food only comes out of plants!
 
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  • #3,300
Ibix said:
There seems to me to be a general problem with the clash between technical and colloquial language. It just hits science hard because there are substantial lobbies with little interest in reality - so evolution is "just a theory" and "chemicals are bad for you".

I once saw a "man in the street interview" with someone who didn't want to eat GM products because they have genes in.

Not to mention well intentioned but misguided advice like "don't eat something if you can't pronounce the ingredients!"

original.jpg
 
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