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/sci/ - Science & Math


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11551774 No.11551774 [Reply] [Original]

I've been trying to figure out a way forward from mindless wagecucking. I've taken community college stats but it was for psych students so remarkably shallow. Is there a way I could teach myself stats, analysis (I've done calc) and the like, and do projects on my own to demonstrate my expertise, that might allow me to find work doing data analysis or something like that without a degree? I am desperate for something, anything i can teach myself to get a better job. And reliably because while I can network to a degree in not very good at it.



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11551762 No.11551762 [Reply] [Original]

A thread died for this thread.



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11551725 No.11551725 [Reply] [Original]

Can someone help with identify the organs of this catfish? It’s for my ichthyology exam.

>> No.11551742

29:air bladder
30:gonad
31:stomach
32:liver

>> No.11551784

Thank you

>> No.11551789
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11551789

How about this



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11551722 No.11551722 [Reply] [Original]

>UwU what's this?

The results show that at this point, and regardless of other potential differences in age, funding, number of children etc., female professors had, on average, lower levels of scholarly achievement than male professors. The result can be an effect of promoting females to professor at an earlier stage in their career. Other variables that might affect productivity, or whether some faculty faced greater challenges or had to work harder than others to obtain the same apparent academic merit, is irrelevant for the conclusion that the publication criteria for becoming a professor were effectively lower for females.

https://www.tandfonline.com/doi/pdf/10.1080/03075079.2020.1723533?needAccess=true&;

>> No.11551777

Why are mathematics, physics, chemistry and engineering such sausage fests?



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11551717 No.11551717 [Reply] [Original]

Hello /sci/,

I will hopefully get my bachelor's in physics this summer, and then go on to get my master's in two years.

I love physics (especially theoretical), and I also love nature and the great outdoors, so my question is: how can I get an /out/ job as a physicist? I'm talking about a job that makes me spend time in remote natural places



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11551609 No.11551609 [Reply] [Original]
Quoted By: >>11551775

Do autistic people really have no self awareness? I’m on the spectrum and yet I can still realize faults with myself and better them.

>> No.11551614

The ones with self-awareness are Aspies/High-functioning autistics

>> No.11551775

>>11551609
Its not that they lack self awareness. Lots of "normal" people lack self awareness. Autistic people have weak notion of "others" personhood/mind. I found out myself that I didn't see others as having a mind/personhood for the longest time(until my mid-late 20s). Even now I have to force myself and recall this notion that others have a mind/personhood when I interact with others. Its not a natural/intuitive response from autistic people.

How does this lack of knowledge/familiarity with other's "personhood" affect autistic person's life? Well, for one thing, it can make them seem aloof/distant. What it basically does for me is shuts down the simulation of others/world when I'm not focused on others. I can force myself to imagine what others might imagine/think, but its not a natural response. For the longest time, I was not aware that other people would "hang out" with each other or have social life after school/class. I've gone straight home after school or work, having never understood that people have "lives" outside of their work/school.

So you see, its not that autistic people dont have self-awareness. They do, I do. Its that we have a hard time understanding that OTHERS have self-hood.



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11551596 No.11551596 [Reply] [Original]
Quoted By: >>11551720

are you the top 5%?

14 posts omitted.
>> No.11551720
Quoted By: >>11551748

>>11551596
>3 variables
>1 equation
???

>> No.11551731
Quoted By: >>11551748

>>11551651
Explanation?

>> No.11551743

>>11551651
answer is Z_2[a]/(a^(n+1)), for those that are curios

>> No.11551748

>>11551731
it ask for the cohomolgy ring of RP^n with coefficents in Z_2.

>>11551720
looks up diophantine equations brainlet

>> No.11551761

>>11551651
The second you introduce letters belonging to mathematical terms and actual objects it loses its power. Eg projective space.



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11551588 No.11551588 [Reply] [Original]

What % of the Black-White IQ gap is due to genetic differences?
Please source your response.

7 posts omitted.
>> No.11551753
Quoted By: >>11551780 >>11551787

>>11551735
Do you have a %?

>> No.11551780
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11551780
Quoted By: >>11551785

>>11551753
There is no settled answer here. The best you can get is from a recent survey of expert opinions from intelligence researchers.

>> No.11551782

In Rushton & Jensen 2005, they suggest that default hypothesis should be 80% genetic, 20% environmental on the grounds that individual differences are explained by this model and that there is no reason to assume it's different between blacks and whites. You'd have to show that there are different sources of variance in one group or you'd have to treat both groups as subsets of the same population

>> No.11551785

>>11551780
I'd like to know on what basis they believe in a percentage range

>> No.11551787

>>11551753
There is no answer to this question as 'we' do not know nearly enough about genetics or the brain to answer it



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11551579 No.11551579 [Reply] [Original]

The picture does a good job of summarizing what it is, but I'll go into some more detail.
Glaucoma is a semi-rare eye disease that causes a buildup of pressure behind the eye and damaging the optic nerve; depending on what type of Glaucoma this can take several years, decades, or hours.
There are various treatments if it's bad enough, which begin with just medicine and end with surgeries that carve tunnel through your eye to help with drainage.
I'm twenty and have lived with an extremely severe case for thirteen years. I'm post bypass surgery, but I've started having my migraines again and no longer have insurance; let's have a thread before I lose vision in my left eye!



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11551564 No.11551564 [Reply] [Original]
Quoted By: >>11551571

Fuck -1/12, refute this

>> No.11551571
Quoted By: >>11551589

>>11551564
Congrats on making a mistake in the very first line. a != 1/2, a is a diverging sum that does not converge onto a value, in the same way that there isn't a value for sin(inf).

>> No.11551589
Quoted By: >>11551604

>>11551571
My point is not that the sum *actually* has this value, I know that assigning a value to it is nonsensical, just as with 1+2+3+4+5..., but the point is that the -1/12 stuff is pointless because even when starting with the same formula - 1-1+1-1+1... = 1/2, you can arrive at different answers.

>> No.11551604

>>11551589
Well yeah, playing around with divergent sums means you can get a lot of fun but incorrect maths. It's like dividing by zero and being surprised when you end up with funky shit.



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11551550 No.11551550 [Reply] [Original]

Is it true all surface level crude oil has been used so if society ever collapsed we would never again advance beyond the point before the use of crude oil in machinery? Because the only ways of extracting oil would be through machines that need oil in the first place to operate.

>> No.11551559

>>11551550
Nuclear

>> No.11551570

>>11551550
Only if you believe you can only use oil and only that oil for these purposes.

>> No.11551573
Quoted By: >>11551624

>>11551550
No, oil wells are regenerated via tectonic pressure so we'd just have to wait at most a few decades.

>> No.11551624

>>11551573
>Regenerated
You mean pushed to the surface. Only you can regenerate an amount of oil in 100k years or so, it doesn't magically happen.



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11551543 No.11551543 [Reply] [Original]
Quoted By: >>11551548

Very comfy. Answers everything from basic to advanced. Also says he has a new theory of physics that he's going to put out when the Coronavirus dies down.

https://youtu.be/PSjMQ4YvZik

https://youtu.be/GoCxg1vhwwg

https://youtu.be/mGUFnmaiyyk

>> No.11551548

>>11551543
Was it autism that caused him to track everything he's done every day for decades and do data analysis on it?



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11551489 No.11551489 [Reply] [Original]

*destroys science in your path*

>> No.11551783

pbuh...



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11551407 No.11551407 [Reply] [Original]

Chrom or tin coated steel cake mould:

Which are the health risks in using a vintage cake mould made from "weißblech" which is either chrom or tin coated steel, especially when the layers might have been compromised through repeaded harsh cleaning?

Especially when considering acidic condents, would a lemon sponge mixture baked in it be a health risk?



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11551398 No.11551398 [Reply] [Original]

Chrom or in coated steel cake mould:

Which are the health risks in using a vintage cake mould made from "weißblech" which is either chrom or tin coated steel, especially when the layers might have been compromied through repeaded harsh cleaning?

Especially when considering acidic condents, would.



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11551361 No.11551361 [Reply] [Original]

>muh 0.999... != 1
>muh Pythagorean theorem in complex plane is wrong so imaginary numbers don't real
>muh 0 / 0
>muh highschooler who never did analysis or algebra
I know the rona is keeping us all inside but surely there's a less rote way to get (You)'s. I feel like it's the same 2-3 people making these threads.



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11551354 No.11551354 [Reply] [Original]
Quoted By: >>11551382 >>11551387

Is there a functional use for octonions, sedenions ect.

1 post omitted.
>> No.11551382
Quoted By: >>11551529

>>11551354
Yes. Or by functional do you mean physical? I think octonions are used in theoretical physics.

>> No.11551387

>>11551354
The octonions are occasionally useful in group theory. All the exceptional Lie groups are automorphisms of (stuff related to) the octonions, and octonions can be used in some alternative constructions of finite simple groups.
I've never heard of anyone using sedenions for anything.

>> No.11551395
Quoted By: >>11551475

https://www.youtube.com/watch?v=3BZyds_KFWM&list=PLNxhIPHaOTRZMO1VjJcs7_3dgyJ2qU1yZ

>> No.11551475
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11551475

They do have applications in theoretical physics (see >>11551395). I think I once saw a nice picture of each division algebra, their corresponding Lie group and an application in physics; maybe in Wikipedia or something but I can't find it anymore.

>> No.11551529

>>11551382
There's one professor who tries to introduce them as a possible GUT, but it seems they are way too tedious to use to be useful in the grand scheme of things. At least for now.
They also seem to contain particle modes which we haven't observed yet, so they are testable.



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11551345 No.11551345 [Reply] [Original]
Quoted By: >>11551652

I have a massive urge to get high on Diphenhydramine. I know it's hellish but I kind of want to experience it once. Talking to people that aren't there, smoking phantom cigarettes, seeing fucked up monsters and shit. The only thing holding me back is the chance of a seizure/heart attack/stroke and also I hate insects. Any tips?

>> No.11551625

Don't.

>> No.11551652
Quoted By: >>11551744

>>11551345
do it and enjoy your heart attack due to spiders that arent real

>> No.11551744
Quoted By: >>11551752

>>11551652
How are they different to psychedelics like LSD/shrooms?

>> No.11551752

>>11551744
DPH is neurotoxic and lsyergamides/tryptamines aren't, you can start there for instance



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11551307 No.11551307 [Reply] [Original]

Is it true that coronavirus never leaves your body? Is it true that coronavirus gives you permanent lung damage? Is it true that all the "recovered" are gonna drop dead in a few months?

>> No.11551313

Yes, you have a 1000% chance to die. You already have it. Best kill yourself.

>> No.11551324

>>11551307
>Is it true that coronavirus never leaves your body?
We don't know, but it's probably false based on how our body reacts to other coronaviruses.
>Is it true that coronavirus gives you permanent lung damage?
Yes, but only in severe cases. I don't remember the fraction, so you probably shouldn't be afraid of it.
>Is it true that all the "recovered" are gonna drop dead in a few months?
Most probably not.

>> No.11551326

Yes. Once you have it you either die in the first month or later. If you recover and don't die, you will die the second time you get it/when it reactivates. This virus is God/s/Allah's/The Great Ancient One's punishment for our ignorance and sins. The best option for humanity is to an hero collectively.

>> No.11551432

>>11551307
Yep

>> No.11551436

>>11551307
Yes. My advice is for you to kill yourself to avoid letting the virus kill you. At least you can go down on your terms.
Now run along and die. Don't let the virus win.



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11551298 No.11551298 [Reply] [Original]

Why does /sci/ not ever make a list of math textbook curriculum? kind of boring to see an outdated wiki guide

>> No.11551337

>>11551298
They do.

>> No.11551505
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11551505
Quoted By: >>11551516

>>11551298
>Why does /sci/ not ever make a list of math textbook curriculum?

>> No.11551516
Quoted By: >>11551518

>>11551505
Are these specific textbooks or just general topics to study? I've seen this list everywhere but it is never detailed.

>> No.11551518

>>11551516
Topics, plus specific textbooks for almost all the material

>> No.11551600

>>11551298
The wikia is fine
https://4chan-science.fandom.com/wiki/Mathematics



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11551258 No.11551258 [Reply] [Original]
Quoted By: >>11551737

and then on test day mark the answer sheet bubbles wrong by skipping a bubble so you get almost none of the answers correct

could i have done that? i know i have a bad habit of incorrectly doubting myself and my memory of it is very hazy but if i did, it would be horrible. i would probably kill myself because this test dictates whether or not i get into med school

i have pure-o ocd and this one is really killing me because i don't know if i did or i didn't. i've never felt as suicidal

it was a high-stakes test held once a year by an organization that makes no concessions,

the answer sheet is scanned by computers, they would recheck your sheet for "detection" errors, like if you didn't shade in dark enough, but there is no way in hell that they're gonna adjust your answers because you were one off

it's been 2 months and i'm still dwelling on this

what makes it even worse is that this is my second time taking it, i might've wasted an entire year of my life

2 posts omitted.
>> No.11551705

>>11551410
maybe i do
it's just a shitty fucking situation i'm so god damn unlucky

>> No.11551719
Quoted By: >>11551734

>>11551365
i already took it twice, taking it a third time? ah man

>> No.11551734
Quoted By: >>11551750

>>11551719
nobody gives a shit when you are a doctor how many times you had to take the exam
i took it 3 times myself and im about to finish my studies soon so just keep going bro
trust me, nobody likes the people who care about shit like this

>> No.11551737
Quoted By: >>11551750

>>11551258
you already made this thread fuckhead

>> No.11551750

>>11551734
all my peers who i was in highschool with are gonna be 2 years ahead of me, they're already a year ahead, it's going to fucking blow
not to mention the stress of studying again, all over again
not because i didn't study properly
not because i didn't know my stuff
but because i may have made this stupid fucking mistake of messing up the bubbles

i hope it turns out ok and i hope i didn't make the mistake, because that's gonna be the final straw

>>11551737
i can't stop thinking about it



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11551249 No.11551249 [Reply] [Original]
Quoted By: >>11551346 >>11551763

Is it scientifically possible for an image on a normal screen/paper to give someone actual brain damage? Pic related

>> No.11551346

>>11551249
How are these images created? Deep Generative Network failures?

>> No.11551728
Quoted By: >>11551776

Holy shit we close to BLIT now

I don't dare to look at that picture a second time

>> No.11551763

>>11551249
SCP gonna come in to delete this thread.

>> No.11551776

>>11551728
Same
I feel as if looking at this picture for too long will create flawed neural pathways and induce schizo of some sort. We've never evolved the guard against stuff like this because it's impossible to find it anywhere, not even in extreme abstract art



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11551244 No.11551244 [Reply] [Original]

What are you working on right now senpai?

I am creating a weighted analysis overlay to find out where boomers should build their next mcmansion



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11551221 No.11551221 [Reply] [Original]

Did you just say SCIENCE!? WOOOOOOAAAAAAAAAHHHHHHHHHH DUUUDE! I FUCKING LOVE SCIENCE AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHHHHHHHHHHHHHH!

>> No.11551250

so you're stupid
k



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