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Archived threads in /sci/ - Science & Math - 1161. page

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if your brain thinks twice as fast does that mean you perceive everything twice as fast? do fast thinkers experience more?
8 posts and 2 images submitted.
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If you think this is true then you must be pretty fucking slow
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>>8505394
why?
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>>8505395
The movement of time is not dependent on intelligence

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>tfw literally too smart for anything except mathematics

How is it possible that someone could be such a genius when it comes to mathematics, yet so retarded when it comes to literally everything else?

I can't communicate. I don't have social skills. I'm a stumbling idiot whenever I try to push anything out of my mouth. And I don't have any other skills. I can't program. I can't draw. I can't play an instrument. I can't read. I can't hold a girl's hand. I'm basically useless except for my genius math skillz.

>inb4 "muh blog"
I know some of you fuckers feel the same way.
17 posts and 4 images submitted.
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>>8505321
good at math + no social skills = possibly autism
>>
>>8505321
Probably because you're actually retarded and only have retard intelligence (retard strength but opposite)

Math is like an instinct, you don't actually have to think about anything, it just solves itself naturally without your control. Same with retards not being able to control their strength you can't control you intelligence.
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>>8505336
>Math is like an instinct, you don't actually have to think about anything
fucking this! XD upboated and saved!! ive always hated math!

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Is memetics a legitimate science? I don't mean pepe bullshit, but the concept of ideas "reproducing" throughout culture. Is it even falsifiable?
8 posts and 1 images submitted.
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>>8505152

i feel like it is conceivably testable and can make predictions from it. I imagine they do something similar in sociology because they do lots of modelling now.

Anything working with people though is going to be very difficult logistically. Which i think is partly why fields like psychology have a hard time.
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>>8505152
>Is it even falsifiable?
Depending on how you phrase the statement, sure.

The statement
>Ideas do not spread through a culture
is so trivially easy to falsify it barely warrants thought
>>
>>8505152
You need certain genes to entertain certain ideas.
Like for instance, if you are biologically incapable of altruism, then you won't be convinced by an ideology that asks you to die for someone else.
And, if you don't have a strong sense of Agent Detection, then you won't be convinced by the idea of God.

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Shankar or Griffiths for self studying quantum mechanics. Will I be fine if I start of with Shankar or will I need another intro? Should I read griffiths and then read a more advanced book like Sakurai? If you have a book preference or a preference on the parh that I should take in self teaching qm please include why. :)
14 posts and 2 images submitted.
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Sorry for the errors i am on mobile
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>>8503818
my school uses Griffiths but gives a lot of assignments out of Shankar
My experience is admittedly limited (14 weeks of Griffiths with sporadic Shankar assignments) but while I truly prefer the Shankar text, but see how it would be harder to self study out of (relative to Griffiths). I'd chose Shankar.

My $0.02, take it for what you will
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>>8503830
Thanks

What's the reason behind this?
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>>8500261
Because they realize what they don't know & are very realistic about their capabilities.
>>
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>>8500261
Because that is how they became intelligent. They think they are horrible so they work for logic to get a relief.
>-oh yeah I am intelligent
>-I wont study nor think, because I am smartest
>-oh shit I am dumb
>-I will study and think hard because at least I will feel less shitty about my intellect
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>>8500272

>smart but lazy

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>"here, let me give you negative one dollar"
Mathematicians are loons
15 posts and 2 images submitted.
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>>8505544
>"here, let me give you negative one dollar"
English is the best language
>>
>>8505544
Didn't your psych degree leave you with -80k in the bank?
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>>8505549
>He thinks debt is literally negative money
Mathematicians are loons

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Who studies this? Is reading it only for the hard core autists (mathematicians) or are engineers and their ilk expected to know it as well?
10 posts and 1 images submitted.
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Geometers and broader mathematicians
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>>8505384
Axiomatic geometry is only needed for pure mathematicians. Everyone else will be fine with watered down analytic geometry.
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>>8505384

People who study the history of math and science since everything pre-18th century is based heavily on it.

If psychiatry has constantly had misstep after misstep (Humorism, Freud, lobotomies, et cetera) why are there people today who believe that schizophrenia/bipolar disorder/autism are in anyway objective from a qualitative standpoint?

Note: I think behavioral neuroscience is valid because it doesn't make sweeping observations.
9 posts and 1 images submitted.
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>>8505327
Because they are recurring sets of qualitative, observable symptoms. We knew people had AIDS before we knew why.
>>
>>8505327

Perhaps the paradigm of our social climate brings the 'issues' discovered by scientists like Freud to light, only for them to be scrutinized and labeled as different.

I feel as though the vastly growing prevalence of these cases is simply an evolutionary mechanism in which we've had no past experience with.
>>
>>8505327

Just realised that this issue is actually remarkably close to the debate about whether race is a real thing.

The answer biologists give is that there is genetic variability across the world however this is continuous and so it cannot categorize groups in a scientific way without being genetically arbitrary or even inconsistent.

The same goes for psychiatric illnesses and our personality/behavioural/cognitive phenotypes. These lie on a continuum and some of them are considered pathological. Because it is a continuum, it is difficult to define them without being arbitrary and this leads to "errors" or difficulties in diagnosis due to continuous variability in pathology.

For both of these issues, we have categories that aren't necessarily objectively valid. This doesn't mean that differences don't exist though.
So that's something to think about.

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Which synthesis of the evolutionary theory fits the facts more closely?
10 posts and 4 images submitted.
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>>8505286
Whats difference?
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and it'd better not be some bullshit
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>>8505286
God did it, now duck off.

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Had to demonstrate this during a mock exam (thankfully we were extremely railroaded).
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>>8505281
It's not much, but.. as one studies the derivative the gamma function, one finds the riemann zeta function in the serie expansion.
>>
>>8505281
>babby's first Stirling's formula
truly trivial
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>>8505281
Where does one even start? I'm an engineer and I can only think of using sterling's approximation of factorials and demonstrating that the numerator approaches the denominator?

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This might be utterly retarded but:

Given we'd have the technology to travel faster than light and catch up to let's say 100 year old light, could we somehow with today's technology view events that happened in 1916?

Since energy's never lost those reflected photos would carry "view-able" information, no?
8 posts and 2 images submitted.
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>>8505191
>Given we'd have the technology to travel faster than light

this is the equivalent of saying:

>Given that God exists
>Do you think he is the type of person you'd want to have a beer with?
>>
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>>8505191
do we have THIS detailed imagery of 100 ly objects at this moment with current technology?
the answer to your question is the same as to mine, whatever it be

also
>implying FTL now
>>
>>8505222

Meaning to say, your answer is literally whatever you want it to be. Physics dont work like you described. So if you want to through physics out the window entirely then certainly it is entirely up to you to decide on whatever laws you want to take it's place.

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Sup /sci/
I kinda feel bad for making this thread, but do you guys mind debunking this? I cropped out the parts that were not sci-related.
Last time I did biology was in high school, but I still believe I shouldn't trust this pic, mostly because Wikipedia tells me there's a scienfic consensus over the fact that race is not a thing.

Also feel free to post your own stuff to debunk.
9 posts and 1 images submitted.
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>>8505184

Im 99.9% inclined you believe that you OP are from /pol/ and merely shitposting. Because otherwise you would see the weekly threads and overwhelming evidence against race being a valuable genetic characterization.

But just in case you're the 0.1% and are sincerely unaware of how often we get this bullshit:

http://www.nature.com/ng/journal/v36/n11s/full/ng1435.html

http://www.sciencedirect.com/science/article/pii/S0960982205002095

http://www.sciencedirect.com/science/article/pii/S1369848613000460

http://science.sciencemag.org/content/298/5602/2381.full

http://www.nature.com/index.html?file=/ng/journal/v36/n11s/full/ng1455.html

http://www.pnas.org/content/94/9/4516.full

http://genome.cshlp.org/content/14/9/1679.full

http://www.nature.com/nature/journal/v526/n7571/full/nature15393.html

http://onlinelibrary.wiley.com/doi/10.1111/tan.12165/abstract

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2271140/

http://www.sciencedirect.com/science/article/pii/S0002929707610015
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>>8505184
Also populations =/= race

These are wildly different concepts in a biological sense.
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>>8505207
*biological sense.
rigorous definitional sense

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so i have a math test tomorrow its just basic algebra but its community college so its a little harder. can i paypal someone $10 to skype me and teach me this its not very long

http://vaughanwcc.pbworks.com/w/file/fetch/93649316/Practice%20Exam%204%20Key.pdf
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someone pls help me
>>
sure i can help whats ur skype

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How do you feel about our field of study?
6 posts and 2 images submitted.
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Chemical engineering here.

I like we are often practical, but we deal a lot with economics and often it limits your creativity.
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>>8505129
sigh... yeah yeah we get it. women suck in science.

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A free electron cannot absorb a photon (derived using the law of conservation of energy). Then how can an electron be accelerated by an electromagnetic field?
17 posts and 1 images submitted.
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>>8504995
>electomagnetic field
Am I being trolled?
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>>8505097
Okay, put it this way: how can an electron be accelerated in an electromagnetic field.
>>
>>8504995
*cannot absorb a photon forever

The electron eventually radiates and stops accelerating.

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