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Archived threads in /sci/ - Science & Math - 1770. page

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https://www.16personalities.com/
29 posts and 5 images submitted.
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>>7983204
I was skeptical at it fist when I got ENTP (Debater) but after doing some more research and reading people's thought who are also ENTP they seem to be very similar to me. I find it interesting that you can categorize people into types.
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>>7983204
just as accurate as horoscopes
>>
Does anyone else with INTP get those crazy ass neck cramps, when they yawn? I'm pretty sure it's an INTP thing.
Normies need not apply.

Since science, in the form it is, has been shown over and over again to surpass any other institution in generating progress, why don't we structure our society the same way the scientific community is structured?
That is, if you had to express some opinion, you would have to publish it in a scientific journal. Some journals would be high standard, peer reviewed, and respected among the society and academia. Others would be trash (but would allow for people like creationists to express their opinions).

This would guarantee both freedom of speech and freedom from the society to suffer from idiots' ignorance.

And I think we indeed should have such a social structure, since we need to stop idiots from denying basic scientific facts such as global warming, pollution, resource depletion, etc., and running all of us into the ground.
28 posts and 2 images submitted.
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>this teen as at his 'le science is da best XD, we should make everything more scientific!' phase

Cute
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Let's call it Sociolology
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>>7982655
You provided no counter-argument at all. Democracy will run everyone into the ground, and it already is doing so very well. Crucial ecosystems are being destroyed, global warming results in more and more climatic extremes, arable land is being eroded and most of the key resources are being depleted.

Therefore, democracy should be replaced by a system which wouldn't let everyone equal rights in voting: an ignorant creationist idiot shouldn't have the same voting power as a high-ranking academic.

The society should be structured as academia, academia should rule the society and any opinions should only be expressible through academia.
At the present time, democracy doesn't lead to any rational decisions - most of them are based on who's better at PR and empty rhetoric.

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Why do all retards look the same?
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https://www.reddit.com/r/askscience/comments/1tlrud/why_do_people_with_downs_syndrome_look_very_much/ce9bv5c
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>>7978657
I like how we word it straight to the point,
but Reddit has to say "look very much alike"
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>>7978657

I used to work in a factory, and eventually the janitorial work was outsourced to a local charity which employs tards. Basically every day a minder would show up and mind about 6 tards (there seemed to be a group of about a dozen who would rotate in and out) while they emptied garbage and did other cleaning tasks. OTTOMH I don't recall any "classical" Down faces in the bunch. But one guy sorta stuck out, he was by far the lowest functioning of the bunch. One of the (mentally) lowest functioning adult humans I've interacted with, actually. 20s, young man, a bunch of acne, not the scrunched face of a Down patient, but a sort of gawky/awkward large head, ironically. More of a baby-bird physique. He'd drawl out words as he'd slowly lift a light trash out of its thing, stare in the middle distance for five minutes, then be told to do the next one and then he could pretty much do it. The others could actually do a routine and complete a job but him not so much. I would honestly estimate his IQ in the 20-40 range. Fortunately he was pretty docile and agreeable, otherwise they wouldn't be "using" him.

He watched cartoons and reality TV at home I guess, once he was rambling to a very cute minder about someone "IM-PREGH-NATING" someone else on the Kardashians or whatever, complete sentences by his standards, repeating "PREGH-NANT, SHE'S PREG-NANT NOW." that was pretty awesome.

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>Finishing up pure math degree.
>taking some engineering classes because thinking about engineering.
>horribly disinterested.

Once you taste the drug that is pure mathematics, everything else feels boring.
31 posts and 2 images submitted.
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>>7982110
That is kinda right pal.
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How far in to 'taste' the drug? I'm highschool math+halfway through spivak right now. How much more until the addiction sets in?
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>>7982154
A lot more senpai. However, he is memeing.

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What are your thoughts on The Fermi Paradox and why intelligent life has not contacted our civilization by now?
59 posts and 6 images submitted.
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Because they're made of antimatter instead of matter and will be annihilated instantly if they come anywhere near us

/bread
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>>7975863
There is no paradox when you consider how rare life is.
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>>7975863
I think it's because no organisms are currently inhabiting our small part of the galaxy or maybe universe (I emphasis currently). Maybe at one point there was an group of organism. Populations of organisms might just not live long enough to evolve into complex intelligent life forms (Intelligent enough to survive catastrophic events). This also applies to life on earth, In all likelihood, sometime soon (A few million years), life will be totally wiped out.

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>males on average have larger total brain volumes than women (by 8-13%). On average, males had larger absolute volumes than females in the intracranial space (12%; >14,000 brains), total brain (11%; 2,523 brains), cerebrum (10%; 1,851 brains), grey matter (9%; 7,934 brains), white matter (13%; 7,515 brains), regions filled with cerebrospinal fluid (11.5%; 4,484 brains), and cerebellum (9%; 1,842 brains). Looking more closely, differences in volume between the sexes were located in several regions. These included parts of the limbic system, and the language system.

http://www.cam.ac.uk/research/news/males-and-females-differ-in-specific-brain-structures#.dpuf
123 posts and 12 images submitted.
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Outrage incoming. Funny how scientific facts won't matter when fee-fee's are about to get hurt
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Isn't the difference in volume just due to the fact that male bodies are larger on average than females'

>I haven't read the article
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>>7980984
Two things:

1) Neanderthals had bigger brains than humans and they went fucking extinct, and were dumber. This point illustrates how your insinuation is based on your lack of understanding of basic biology. Off yourself.

2) Don't off yourself yet, off yourself knowing that there are women in STEM RIGHT NOW with smaller brains than you and have achieved a lot more and are far smarter than you will ever be.

>inb4 reddit
>inb4 librul
>inb4 white knight

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This basic probability question was posted on the board /b/.
Since so many retards and autists struggled with this, I'm taking this to the maths board to see if the stupidity lessens.
339 posts and 36 images submitted.
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>>7979124
It's 50-50, since you can rule out the grey box. It's also a feint of the Monty Hall problem, which is probably where the stupidity comes from. The difference is so slight that it's almost unnoticeable.
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If there is a gold ball in the box, what is the probability of the other one being gold.

[math]P(G|G) = \frac{P(G \wedge G)}{P(S \wedge G) + P(G \wedge G)} = \frac{1/3}{1/3 + 1/3} = \frac{1}{2}[/math]

Babby's first intro to prob and stats.
>>
May I add

https://en.m.wikipedia.org/wiki/Bertrand%27s_box_paradox

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>literally an entire fuckhuge continent is still uninhabited
>Greenland is still uninhabited
>majority of Australia is still uninhabited
>majority of fucking CANADA is still uninhabited
We don't have an overpopulation crisis. We have a retard distribution crisis.
193 posts and 23 images submitted.
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>We don't have an overpopulation crisw
Should have stopped there senpai. Our problems are That we are fucking the earth.
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>>7972347
No we aren't, human footprints are comparatively small on the grand scale of things. Earth doesn't mind anyway. It's like saying it's sexual assault if I hotglue a statue.
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>>7972348
It will be shitty for us, that's the point. Not everyone who has a concern for the environment is a new age hippie gaia faggot.

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>freshman pure math
>I counted from the first day, as I've heard the memes countless times, and it was literally 50% male, 50% female. It was almost amazing how there were exactly as many men as there were women.
>just 3 weeks have passed since the first day of the semester
>Since monday 2 girls suddenly disappeared but obviously I just assumed they were sick or something.
>Today our calculus professor tells us that both girls literally just dropped out
>One transferred to liberal arts, the other to business administration
>This is where the 'no womyn in STEM! Therefore STEM is sexist!' meme comes from
>Women literally can't handle it
>That is somehow our fault.

Oficially the mathematics department in my university is sexist, as there are now more men than women.

Anyone got similar experiences, regardless of what you are majoring in?

Maybe this is just a one time thing and STEM is actually sexist, who knows?
173 posts and 11 images submitted.
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>>7968593
I've talked to senior research scientists (females) about this and they all agree that sexism in STEM is pretty much BS. Can't you just dismiss it as just another popular culture phenomenon like everyone else?
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>>7968599
>like everyone else?

Yeah, like everyone else.

>except academia feminists
>except edgy 15 year old feminists
>except casual feminists
>except all the female STEM majors that are failing
>except the president of Canada, oficial pope of feminism
>except everyone from tumblr
>except SJWs
>except /soc/, home of the 4chan feminists and designated cucks
>etc.

Nice meme.
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>>7968593
>start pure math degree (honours program)
>60% female
>notice in first year that the women are never among the top students
>second year comes
>45% female
>remaining women ask the most inane and retarded questions in class
>prof always tries to encourage them and pretends their idiotic answers are "on the right track"
>literally only one guy dropped out, many women continue dropping
>no more guys dropped out after that
>class is 35% female at graduation

I really think they dropped out because of sexism.

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ITT: we post open courses, youtube series, pdfs of math and science courses to help our fellow anons in the pursuit of knowledge.
160 posts and 12 images submitted.
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Yale Astrophysics 160, Pr. Charles Bailyn

Lectures: https://www.youtube.com/playlist?list=PLD1515420F4E601A4

Problem sets, midterm & final: http://oyc.yale.edu/astronomy/astr-160
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>Differential Geometry
https://www.youtube.com/playlist?list=PLPH7f_7ZlzxTi6kS4vCmv4ZKm9u8g5yic
>Real Analysis
https://www.youtube.com/playlist?list=PLlnod0oUGnbPGZgYoCy-IKPmqF0X4Iu-x
>Functional Analysis
https://www.youtube.com/playlist?list=PLMn2aW3wpAtOqo0g0OnHndXB1LnYBeMaX
>Algebra
https://www.youtube.com/playlist?list=PLelIK3uylPMGzHBuR3hLMHrYfMqWWsmx5
>Algebraic Topology
https://www.youtube.com/playlist?list=PLpW0M9zJ2RQ6Q_nu6nl30Mpx918tFn7Fo
>PDEs (Not Theory)
https://www.youtube.com/playlist?list=PLGCj8f6sgswntUil8yzohR_qazOfYZCg_
>Geometric Analysis
https://www.youtube.com/playlist?list=PLNhSjK9aGXjqMTODZhC3BTHxvuZg8n-4w
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>>7941602
Do these have problem sets, exams and such?

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If the evolutionary meaning of life is to procreate, why do ugly people still exist?
51 posts and 2 images submitted.
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>>7982605
Because ugly people still have babies. Also ugliness mostly isnt genetic
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Define ugly
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>>7982605
Because evolution is slow, whereas life itself isn't.

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Of all new innovations, or theories that are being currently worked on at the moment, which one, if discovered, is more likely to be the biggest breakthrough for the human race?
36 posts and 4 images submitted.
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>>7979860
AI or human genetic engineering.
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Realistic sex robots. That is the primary goal that all technology has been moving us towards. Nothing else even matters.
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>>7979874
Hu-hu-hu-hu yeaah baby, yeah!

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question about bad sight here
Is it possible to make a photo in such a way that a person who needs glasses would see it perfectly without glasses?

So somehow blurring the picture in such a way that a miopic person would see it clearly when looking from the right distance/angle etc.
26 posts and 1 images submitted.
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no, because blurriness is lack of information. You would need more information in order to let a person see better
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>>7982908
>what are 3D posters
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>>7982908
wut?

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Can someone help me understand this?

im lost.
26 posts and 1 images submitted.
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>>7982742
Look up Fourier transforms, transfer functions and how they are used to solve differential equations
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>>7982758

I do not think that is relevant desu
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>>7982742
What book is that? because its written like shit

What he does is let [math] x(t) = \hat{x}e^{i\omega t}[/math] with [math] \hat{x} [/math] some constant because you know that the position will be a function of [math] t [/math] only in that form.

Plug this into equation 23.3 and differentiate and you get 23.4

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How come it's possible to get a PhD and remain scientifically illiterate?
33 posts and 3 images submitted.
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>>7981646
Ignorance is bliss
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>>7981646
Why is scientific literary relevant to writing a thesis on Chaucer
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>>7981646
http://www.nsf.gov/statistics/infbrief/nsf10308/

A huge chunk of PhDs awarded are for people like Melissa Click who literally go to cons to study fandoms.

Also, turns out a lot of people are inherently retarded.

For example, for thousands of years philosophers have made arguments for the existance of god, only for their argument to be destroyed by the next generation of philosophers. But the punchline is that both those who do arguments for god and those who do arguments against god... BELIEVE IN GOD.

I've always known that people who study philosophy are retarded but seriously. Thousands of years of easily disproving pro-god arguments and no one has made the connection that maybe, JUST MAYBE, god doesn't exist.

Lets just give the philosopher brainlets a couple thousands of years more, I'm sure they can make it.

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