Archived threads in /sci/ - Science & Math - 155. page
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Why do experiencing something as "good" feels good?
I'm not talking about oxytocine or the likes of it. I want to understand why the release of certain molecules is associated with a good feeling?
What's the fundamental difference between pleasure and pain? Pain and pleasure are often evolutionary advantageous, but this is not the topic.
Any insight?
I'm not sure I have been very clear, it's hard to express. Feel free to ask for more details.
>inb4 qualia
>inb4 OP can't inb4
>>8066389
Generalized
Certain chemicals will fit into receptor sites that are not necessarily intended for them. For example, a pleasure inducing chemical may be able to fit into the dopamine receptor site. So, where do these pseudo chemicals come from? Caffeine, for example, originated in a plant as a sort of defense mechanism intended to ward off or kill predators. Sorry I can't be any more descriptive than this because I don't really know.
>>8066403
Sorry as I thought I didn't convey my thoughts very clearly.
I know some chemical processes give you a feeling of pleasure or well-being.
But what does it mean to feel pleasure or to feel good? What is pleasure in essence? Is it related to consciousness?
>>8066389
>Why do experiencing something as "good" feels good?
Feeling good is the definition of experiencing something as good.
>I want to understand why the release of certain molecules is associated with a good feeling?
Brain signals are associated with all feelings, and no feelings aren't associated with brain signals. Why would good feelings not be associated with certain signals?
>What's the fundamental difference...
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So it's coming towards the end of semester and I wanted to buy something for my maths and physics teacher as a little thank you. Budget is around $30. Can anything think of a suitable gift?
beer
An apple
School teachers love apples
a cream[latex]\pi[\latex]
I have 2 matrix from 2 different grayscaled Imagedata.
i merged in a single matrix qq and now i must apply a formula that was sent to me today as ColorFunction.
ColorFunction -> (RGBColor[1 - 1/3 #[Alpha], 1 - #[Alpha], 1 - #[Alpha]] /. [Alpha] -> 0.9 &)
i never used this option and when i try using it i get only errors, i tried with
ColorConvert[Image[qq],ColorFunction -> (RGBColor[1 - 1/3 #[Alpha], 1 - #[Alpha], 1 - #[Alpha]] /. [Alpha] -> 0.9 &)]
i am just a novice in mathematica
how should i solve this problem?
>>8066262
Try
ColorConvert[Image[qq], ColorFunction -> (RGBColor[1 - 1/3 # 0.9, 1 - # 0.9, 1 - # 0.9])&]
>>8066274
ColorConvert::imgcstype: ColorFunction->RGBColor[1-Power[<<2>>] #1 0.9,1-#1 0.9,1-#1 0.9]& is an invalid color space specification.
nope just errors
>>8066284
Well then there's something wrong with the output the color function is producing.
Do you know what it's supposed to do? Do you have examples?
Here's my version.
When (and if) we hit post singularity and become immortal gods that can bend reality to our whim, how many of you would fuck with the universe for fun?
I know I would.
So here's my question, if there was an alien out there that reached that point, why don't we find more stupid shit floating around space?
Why isn't there a star sized alien version of the bird screaming obscenities in the center of the galaxy?
>>8066244
More like when civilization is advanced enough everyone realize god exist and the bible is true, so everyone start living simple lives waiting for eternal life in paradise.
Well you see anon, there is a trend in communication technologies where the operational frequency is increasing. Higher operating frequency = more bandwidth. First we used radiowaves, then we used microwaves, and now we use visible light (in the form of fiberoptics).
The logical end point of this trend is communication using modulated gamma rays. Gamma ray bursts may in fact be ayy lmaos giving us the bird.
>>8066244
Once computers advance to a point that they can perfectly simulate anything anyone might want, there will be no reason to explore space.
Why spend time and resources going somewhere else and taking even a tiny amount of risk, when it's possible to do the exact same thing with no risk and identical results?
Why is there not a simpler way to do this?
>>8066222
Looks pretty simple to me
>>8066222
Pascal's triangle
>>8066222
wow that notation [math]{}_n C_k [/math] is actually pretty good.
The American notation is shitty and the French Pascal notation is usually confusing.
How come math is able to describe reality so well?
>>8066193
because we create math to describe reality.
Because reality is mathematical at its core.
>>8066203
this. the best system that describes reality happens to be math.
Need a math geek to help me out with a probability question:
You have a range of 20 cards each consisting of a number and a letter, labeled as follows:
1a 1b
2a 2b
3a 3b
4a 4b
5a 5b
6a 6b
7a 7b
8a 8b
9a 9b
10a 10b
One at a time, you draw a number/letter card. You can't draw any of the above cards twice and you do not return the card to the deck.
What formula would you apply to figure out the average amount of unique numbers drawn after x draws. (ie: after x draws, on average you would have Y% of unique numbers.)
On...
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Wouldn't it always be 100% because you don't return the card to the deck?
>>8066146
Rather, 1a / 2a are both unique numbers, 1a / 1b are not unique numbers.
>>8066146
Please accept photos of my bike as payment for any help you can offer.
Is human extinction inevitable? Is it possible to survive the expansion of the sun or entropy?
>>8066113
No. We are all going to die.
Get reckt pls.
>>8066113
>believing in the sun
Why the fuck do all Software engineering jobs require a CS degree not a fucking Software eng degree?
>>8066047
Just because a company calls it's code monkey jobs SE doesn't mean it's actually SE, you can't legally give an SE job to anyone without an accreditted SE degree.
You can actually sue the company posting the wrong title win the case:
http://sce.uhcl.edu/helm/SWEBOK_IEEE/papers/10%20reprint%205.pdf
>>8066062
CS is technically a science which involves math you inbred coon
Does time run slower for people who perceive more information at any given time than the average person?
>>8066046
yes, time for ants for example goes very fast because they cannot see and process any information at all.
>>8066046
...
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If aliens saw us talking, that would be the same thing as when you see actors talking in a dubbed movie.
Aliens don't have eyes or ears.
>>8065851
really?
>>8065858
How would you know?
Hell they might be like snakes and use their tongue for sensing
Should our government convert to a technocracy?
>>8065644
Yes
>>8065644
One man's tehnocracy is another man's totalitarian nightmare. By some accounts, both Nazi Germany and Stalinist Russia were technocracies.
>inb4 edgy /pol/ children
>>8065656
Too late, I am an edgy /pol/ child.
How does the brain fend off mental illness
>>8065515
more sex less drugs
>>8065532
/thread
Not sure, but most mental illnesses are genetic.
>>8065618
Definitely untrue. Why does spontaneous remission happen if its genetic? As many as 50% of depressed people recover without treatment within 12 months.
I graduate tomorrow with a phd in mechanical engineering and a masters in physics. woooohoo
Which one was harder?
Which one was more satisfying?
>>8065406
>PhD in engineering
HAHAHAHAHAHAHAHAHAAHAHAHAHAHAHAHAHAAHAHAHAHAHAHAHAHAHAH
>>8065406
are you gonna be a teacher or something?
The universe is flat, prove me wrong.
you can jump
We live in a 3D world. Smh
>>8065290
3d information can easily be represented on a 2d surface. baka when anon doesnt know science
