[a / b / c / d / e / f / g / gif / h / hr / k / m / o / p / r / s / t / u / v / vg / vm / vmg / vr / vrpg / vst / w / wg] [i / ic] [r9k / s4s / vip] [cm / hm / lgbt / y] [3 / aco / adv / an / bant / biz / cgl / ck / co / diy / fa / fit / gd / hc / his / int / jp / lit / mlp / mu / n / news / out / po / pol / pw / qst / sci / soc / sp / tg / toy / trv / tv / vp / vt / wsg / wsr / x / xs] [Settings] [Search] [Mobile] [Home]
Board
Settings Mobile Home
/sci/ - Science & Math

Name
Options
Subject
Comment
Verification
4chan Pass users can bypass this verification. [Learn More] [Login]
File
  • Please read the Rules and FAQ before posting.
  • Additional supported file types are: PDF
  • Use with [math] tags for inline and [eqn] tags for block equations.
  • Right-click equations to view the source.

08/21/20New boards added: /vrpg/, /vmg/, /vst/ and /vm/
05/04/17New trial board added: /bant/ - International/Random
10/04/16New board for 4chan Pass users: /vip/ - Very Important Posts
[Hide] [Show All]


[Advertise on 4chan]

[Catalog] [Archive]

File: the phenotype.jpg (396 KB, 798x1200)
396 KB
396 KB JPG
The new /sci/ wiki
https://4chan-science.fandom.com/wiki//sci/_Wiki

(More resources in replies)
4 replies omitted. Click here to view.
>>
File: undergradmath-1.png (296 KB, 1700x2200)
296 KB
296 KB PNG
To use MathJaX, put your TeX code between [ math ] ... [ /math ] tags for inline equations or [ eqn ] ... [ /eqn ] tags for block equations.

[eqn]\zeta(s) = \sum_{n=1}^{\infty}\frac{1}{n^s} = \frac{1}{\Gamma(s)}\int_0^{\infty} \frac{x^{s - 1}}{e^x - 1} \mathrm dx[/eqn]

Note: You may preview the output by clicking the TeX button at the top left corner in the quick reply window.

Additional supported file type on /sci/ is PDF.


Reminder: /sci/ is for discussing topics pertaining to science and mathematics, not for helping you with your homework or helping you figure out your career path.

If you want advice regarding college/university or your career path, go to >>>/adv/ - Advice.
If you want help with your homework, go to >>>/wsr/ - Worksafe Requests.

File: wc32nxgrcodf1.jpg (408 KB, 1536x1920)
408 KB
408 KB JPG
Freedom ain't free: EU edition.

Previous Thread: >>16884240

This thread exists to ask questions regarding careers associated to STEM.
>Discussion on academia-based career progression
>Discussion on penetrating industry from academia
>Or anything in relation to STEM employment or development within STEM academia!
>If you have a question, before posting, read some of the older posts and ,if you can, try to answer their questions on your post. That way the thread isn't an endless log of unanswered questions.

Resources for protecting yourself from academic marxists:
>https://www.thefire.org/ (US)
>https://www.jccf.ca/ (Canada)

Information resource:
>https://sciencecareergeneral.neocities.org/
>*The Chad author is seeking additional input to diversify the content into containing all STEM fields. Said author regularly views these /scg/ threads.

No anons have answered your question? Perhaps try posting it here:
>https://academia.stackexchange.com/

Comment too long. Click here to view the full text.
104 replies and 10 images omitted. Click here to view.
>>
>>16900063
>Im dead set on doing science for a career.
then you will need a PhD, simple as

would you try to build a career in medicine without going to med school? become a pilot without going to flight school? a PhD is a professional cert same as any other
>>
>>16900028
>you're not proving theorems as an engineer, stfu
Here's your answer. No employer is going to let you prove already proven statements or implement something already implemented on their pay.
You want to do something novel and that's only done in r&d/research.
Welcome to the club.
Come and join the rest of us in self loathing and self flagellating because we can't land a job in academia or industry
>>
>>16900197
I'm not the guy asking about jobs, I'm >>16899729 so you're literally just repeating what I already said. Advanced math is for scienticians, not engineers. If an engineer finds himself proving theorems he's crossed well and truly into the research domain
>>
File: 1744801246503.jpg (73 KB, 960x640)
73 KB
73 KB JPG
>>16900197
I am not OP but curious what this third job state that isn't academia or industry is. Wagie fast food / retail ?

Sometimes after reading this general I feel great about my academic lab tech job. Quite frankly I do more design and engineering than most titled engineers I know (only outliers are nepo-gineers where their dad owns a EE outfit and they were basically groomed into it)
>>
>>16899843
I used to be vexed by opinions like this but then I realised the people that believe this don't attend high ranking universities and are writing this from presumably some trap house somewhere and the women they are referring to have names like Latisha.

File: reddit.jpg (22 KB, 540x412)
22 KB
22 KB JPG
Yo
Any confirmed (or suspecting to be) neurodivergents here with above average IQ/intellegence?

Wanna share something about yourself here?
Are you bipolar? Autistic? ADHD? Chronically depressed asf? What are you?

Im currently doing a research and i need this rare and valuable information from anyone who can be described as above. Im asperger myself, so dont be shy.

I tried looking on reddit due to how easy is it to search for information, but reddit is shithole and filled with bots and dumb midwits. I tried looking for high iq + neurodivergent, but whenever i was doxing people who claimed that they are "gifted" they were just larping midwits most of the times. One dude claimed to have AuDHD and 140 iq, but i found more info about his life and he lives with his family and just has typical autistic (stereotypical, "dumb" type) interests without anything "gifted" in his life. He is just dumb, autistic redditor that larped as gifted, wasted some time thinking that i found a gem yet it was just larping nigger

So. Dear anon. Mind sharing something about yourself? Would be appreciated. This place has a lot of smart people, so i hope you will write something about yourself? Dont be shy.
In advance, thanks for your effort.

Remeber anon, Gary loves you.
66 replies and 9 images omitted. Click here to view.
>>
>>16898686
This is a bad survey, you need to work on your survey design if you want to do serious research
>>
>>16899981
No. Its intentionally made in this specific way.
Im well aware of the fact that spergs/ND's are, obviously human. They will probably not get attracted to "serious" threat, but gladly talk in "casual" one.
Everything here is intentional.
At least thats what i think.
>>16899940
I dont score numbers that fancy, but i understand what you wanted to say.
I feel like this too. Somehow, im able to do great in life, constantly shocking my peers because what is insane luck to them is actually:
Careful, deep, extremely deep, obsessive research for hours, days or week until i milk internet dry of information. Then i carefully plan, make my plan perfect, they i execute - get perfect results.

Sometimes it makes me feel extremely.. derealized. Because, if you know enough and spot enough patterns life is actually just a game that can be easily solved. Humans are biological machines and their humanity is fake, their behaviour can be reverse enginereed and exploited.
Its stuff like that. I feel quite crazy sometimes because of that. I know too much, too soon, too early. Im probably statistical anomaly, i dont have much explanation otherwise. I wish i knew myself. I wonder why why i exist and how im able keep existing. Im not supposed to be here. Yet im writing this text right now. Im even real?
>>16899942
Yeah. I understand that all of these "ADHD" "autism" and etc is just "labels" that will never show the actual picture. Its just simplified label.
>>16899925
Dont worry. From your story and from your writing i can confidently say that you can find your "purpose" in life and game this life too.
You just to need keep working, keep going, keep learning. It will be easy if you keep going. It will be hard if you will give up.
>>16899919
You're not retarded, you're clearly able to function well enough to respond in this way on 4chan. So. Dont worry about being "dumb", you're clearly capable and just dont know what you're actually capable of. character limitniggger2000symbo
>>
>>16900122
>careful, deep, extremely deep, obsessive

I am not a details guy at all actually. I actively avoid details. I focus on the big picture and leave details for quick reference. Details are a waste of bandwidth. It is also not a challenge whatsoever for me to remember things, which is another reason why I never emphasize details. It is much more important to be big picture focused and highly creative.

Being an insecure little try-hard slows you down.
>>
>>16900140
I actually enjoy challenge. I enjoy overthinking.
But its differs from person to person, im just weird one. I dont know myself.
>>
>>16900172
Details aren't challenging. Just slow. You will always lose to someone that knows how to access details quickly.

File: 1749063555719786.jpg (172 KB, 500x377)
172 KB
172 KB JPG
conscious belief is not required for the mind to alter the body. proof of that is the placebo effect working even when people know it's a placebo
3 replies omitted. Click here to view.
>>
>>16897061
>You believe the placebo effect works so the placebo works even if you know it's placebo.
/thread. Pretty funny how scientific analysis can turn nothing into a thing, and suddenly it can do things to you.
>>
>>16897061
>>16897081
placebo effect is not a real thing. there's no evidence. what weak evidence there is is because the 'real' thing itself has negligible beneficial effects to begin with in most cases so taking nothing only appears similar in light of this. most drugs are no different to a tincture of bitters as far as actually fixing something goes. only pain relief or sedation via intoxicated, muddled consciousness (which is ancient) is solid. everything is highly non-targeted and highly ineffective, based on weak theory (and fads) with no clear experiential evidence.
>>
>>16897802
>the 'real' thing itself has negligible beneficial effects to begin with in
So basically, you just don't understand that the whole point of judging what is the "real" thing is by judging how much it outperforms random chance in the form of placebo?
>>
>>16897041
if placebo works, why don't doctors prescribe placebo to you on top of your regular medicine? not even untreatable diseases get you a placebo prescription
>>
>>16900177
global revenue in homeopathy is roughly $10 billion

File: GvMYSXLWwAAK11x.jpg (73 KB, 736x981)
73 KB
73 KB JPG
Why are some girls lesbians? Is it something in their brain or is it related to upbringing?
55 replies and 7 images omitted. Click here to view.
>>
Cause women are hot. Really the question is why aren't more girls lesbians?
>>
>>16899000
nice trips
but if you were a girl you could appreciate the male aesthetic, there are millions of faggots who do.
i think one issue here is that too many males are not living up to the aesthetic.
>>
>>16899964
>Using fujos as an example
>Women are horny dude
Yeah and women fuck dogs your point being
>>
>>16894700
>Brainwashed
How ironic
>>
>>16894695
That's like asking whether cancer is caused by genetics or the environment.

File: 1752592467749081.jpg (80 KB, 1080x1085)
80 KB
80 KB JPG
What's ur favorite equation?
16 replies and 4 images omitted. Click here to view.
>>
Shapiro-Rudin
>>
2^4 = 4^2
>>
>>16899661
2 is definitely a cool one
Add to that 2+2=2*2=2^2
2 is a fixed point of a generic arithmetic operator of the form a[x]b where x=1,2,3 for addition, multiplication, and exponentiation. Presumably 2 would also be a fixed point for all values of x including x=1.5, x=100, etc
>>
>>16899417
only if zeros aren’t given a size
>>
>>16899242
= = =
Its a truly amazing equation relating equality with itself. This is the magic the greats of history built everything on top of!

File: 20140210144656-0_0.jpg (292 KB, 900x600)
292 KB
292 KB JPG
Can siberia turning into literal hell end the world 251.9 million years ago.
>>
>>16899514
happened in different areas around the planet, will happen again somewhere sometime.
>>
File: FdRSRfXaUAAI9qT.png (104 KB, 255x256)
104 KB
104 KB PNG
>>16900052
Hopefully sooner than later, we're in a dire need of a great reset.
>>
File: KxHumd3fdDaNwfBYWgAdHi.jpg (3.9 MB, 4862x2734)
3.9 MB
3.9 MB JPG
>>16899514
If global warming isn't stopped the permafrost in Siberia will melt and it will end civilization as we know it

File: file.png (93 KB, 499x978)
93 KB
93 KB PNG
How was it decided that my consciousness is in this body and not another one?

In another words why am I experiencing the world from this viewpoint?

And even more fucked up question - where I was before?

Is it even possible to have technology to answer these questions?
30 replies and 1 image omitted. Click here to view.
>>
>>16899913
So why don't I remember being you if I came first or you remember being me if you came first?
>>
>>16899522
We would be in a rotating dark matter sphere that heats up enough from a section from the light from a body source underwater. With other ingredients, it shifts people into place.
Because people's bodies are always larger-scaled than locally, to account for expansions.
>>
>>16899522
You're not even you. Particles don't have an identity. How does an excitation in a field have an identity? It's not even a thing.
It's all an illusion constructed by memory and thoughts. "You" only exist as the blips of conscious perception and you disappear when the blip disappears and a new "you" will appear with the next blip. There's nothing else, only the blips. Thoughts are just more blips. Time is just blips too.
I said blip too many timea but you know what I mean. The atoms of perception.
>>
>>16900127
>Particles don't have an identity.
>The things I can identify as particles don't have identities.
Makes total sense if you don't actually think about it.
>>
>>16900165
A ripple in a field isn't a "thing"

File: 1221.png (972 KB, 619x644)
972 KB
972 KB PNG
/sci/, scientifically speaking, how do I increase my chance of dying while I'm sleeping?
14 replies and 1 image omitted. Click here to view.
>>
>>16896992
You've just GOT to try deathmaxxing my friend:
* co2maxx with car running for warmth and co2 in garage
* monoxidemaxx with furnace & hwh vents closed for warmth and monoxide
* firemaxx with lit cigarette in mouth every night (combine with alcohol for potential spontaneous self explosion)
* heartattackmaxx with deepfried cheeseburgers for every meal
* brainbleedmaxx with 1000 mg aspirin every night before bed, sleep on tilted bed, and 12 sets x 10 reps valsalvas each week
>>
>>16900166
Spontaneous self combustion isn't really a thing, it's been attributed to the wick effect. You drop your cigarette and it starts to smoulder eventually catching your clothes or the bedding on fire. This kills you pretty quickly especially if you're intoxicated. Then the fun part begins, your fats starts do melt and wick into your clothing turning your body into what is essentially a torch. This can fuel a fire for a long time leading to a completely incinerated corpse.
>>
>>16900169
In firemaxxing we drink 2L pure ethanol then create a bolus in the stomach of pure oxygen using a external canister and tubing. Light a cigarette, enjoy a puff or two, then ingest the lit cigarette to firemaxx
>>
>>16900176
Oh neat, my mistake.
>>
>>16896992
Have you tried sleeping on actively used railways?

File: IMG_0479.png (2 KB, 300x168)
2 KB
2 KB PNG
why is it that i can look at this image and not get high?
>>
Ceci n'est pas du DMT.
>>
>>16898617
c'est quoi, alors?
>>
>>16898584
Same the reason I can drink water and not get thirsty
>>
>>16898584
You are high. You're just tripping to hard to realize it.
>>
>>16898621
Une image de sa structure moléculaire.

File: IMG_1606.jpg (126 KB, 1000x708)
126 KB
126 KB JPG
Today’s edition: vscan air, my beloved.

Thread dedicated to the discussion of medical practice and literature. We do not give medical advice, kindly fuck off.
95 replies and 22 images omitted. Click here to view.
>>
SOTD fico di amalfi
>>
>>16899405
Television shows and money. Also I want people (my parents too) to respect me. I'm insecure.
>>
>>16899405
It seemed like a good idea at the time
>>
>>16899614
Memes aside it really still is the best option careerwise. If things seem worse it's because the entire economy got worse and we just got dragged down with it. Unfortunately being the king of the shit pile still beats being the poor fucker at the bottom getting smothered, even if we're all still covered in shit.
>>
>>16900040
Think about this a lot. Relative compensation is in the shitter but I can still afford a house, vacation once a year, car maintenance etc and I'm just a resident.

is the diagonal argument intuitionistically valid?
50 replies and 8 images omitted. Click here to view.
>>
>>16899903
it is unfalsifiable nonsense
historically set theorists just kept adding axioms until they had something that was not trivially self-contradictory
generally speaking, mathematics is not science
>>
>>16899471
>It's just invalid altogether.
>You cannot prove the existence of an infinite number of things while using a finite amount of reason without your proof being circular.
Okay. One problem. Circular arguments are definitionally valid.
>>
>>16900056
exactly, which is why a monad is just a monoid in the category of endofunctors.
>>
>>16899705
>That’s ridiculous. What if I just start counting, 1..2..3. Are you telling me I’ll hit the limit, find the highest number possible?
You won't find the highest number, but you will run out of memory by either dying first or getting to some arbitrarily large number where you lose your count.
>>
>>16899733
>It has categories of Hilbert spaces. The working math of QM is one of the reason why I'd not start the conversation with SOA.

Do Non-second countable Hilbert spaces occur in QM? If not, then you're in l^2 all the time and this space is well managed by SOA (like any polish space, with the help of long and tedious encodings though).

File: 74869891987.jpg (340 KB, 1338x1365)
340 KB
340 KB JPG
It is going to keep expanding and expanding faster and faster until all matter is ripped apart with unimaginable vast spaces and cold and dead?
Is this the future of all existence?
16 replies and 1 image omitted. Click here to view.
>>
File: 1764254465918704.webm (2.65 MB, 584x856)
2.65 MB
2.65 MB WEBM
>>16898554
i think in the end all matter in the universe will gravitate into a single point and burst into a new universe, maybe with new laws of physics too
>>
>>16898860
Yes the general response from particle people is that there is a hritho unknown complexity and a plethora of particle models could account for it. If you watch that youtube video the scientists fo through a few potential models. It's all at a very early stage though, many models could fit the data.
https://www.youtube.com/watch?v=reNicLW2vpY

New particle models may also change how the DESI data is understood in terms of whether expansion is changing or slowing too.
>>
>>16898554
>It is going to keep expanding and expanding faster and faster until all matter is ripped apart with unimaginable vast spaces and cold and dead?
Yes, for our universe at least. But keep in mind the Heat Death theory is just that: a theory. Although there is wide consensus on it by now, it relies on what we can observe right now and from the universe's past. It's not at all certain that the expansion of the universe will keep increasing forever. Maybe in X billion/trillion/quadrillion/etc. years, it might start to slow down, come to a halt entirely or maybe even begin to shrink again. Basically we're watching a race car accelerating and from that observation we infer that it will reach 1,000 km/s in a couple hours. Just because we can't see any slowing down of the universe's expansion RIGHT NOW doesn't mean this will never happen. Who knows?
Changes in the speed of our universe's expansion have already happened in the past (early Big Bang), so there really isn't any reason to automatically assume they won't happen again.

>Is this the future of all existence?
Depends on whether our universe really is all of existence or whether other universes exist. Maybe in others the Hubble Constant is lower, balances itself out with gravitational attraction, or mabe is even negative. Alas, we will never know.
>>
>>16898574
>So it will eventually bounce back and collapse to zero
Zero doesn't indicate collapse, zero is indicative of balance, negative is the indication of collapse.
>>
>>16898894
Lol the sass of that fawn

File: 191.jpg (143 KB, 1280x720)
143 KB
143 KB JPG
Just how fake and gay is evolution?
266 replies and 22 images omitted. Click here to view.
>>
>>16899570
Struggling with what? You can't even name a mechanism.
Genetics flowing backwards? That is a fine statement, but genetics change while organisms are alive anyways. The claim of backwards and forwards is a value judgement.
Additionally, this still doesn't define a generation. What is a generation? How do I tell generations apart?
>>
>>16899571
>You can't even name a mechanism
For what? You’re asking for a mechanism for how an organism dying changes the genetics of the rest of the individuals when you’ve been told that isn’t what happens multiple times
>but genetics change while organisms are alive anyways
And that only gets passed on when it reproduces
>Additionally, this still doesn't define a generation. What is a generation? How do I tell generations apart?
A generation is what we call the separation between parent and offspring
>>
>>16899590
Are you disagreeing that death changes allele frequency in a population of organisms?
Genetics are passed in more ways than through organism reproduction. Ignoring the other avenues for gene transfer, all offspring are their own generation with no peers and certainly of no population. Just another meaningless term to be piled on top of all of the others that can't be parsed through the defunct evolutionary lens.
>>
>>16899674
>Are you disagreeing that death changes allele frequency in a population of organisms?
No? You still seem to be struggling with this
>Genetics are passed in more ways than through organism reproduction
There are, but even if they get passed from organism A to B that doesn’t matter unless B reproduces or otherwise passes on that information. Also it doesn’t seem like you knew this until that one anon pointed out retroviruses
>all offspring are their own generation with no peers and certainly of no population
Incorrect. Population can refer to any continuous lineage or group of organisms. You seem to be under the impression that it’s necessary to look at just one species when referring to a population
>Just another meaningless term
It’s not, but you’ve made it apparent that you can only understand very small absolute terms
>>
>>16900030
ERV is hardly what is being discussed. You obviously never looked at basic gene transfer in simple organisms. Your new definition of generation is in direct contradiction to the previous one.
>A generation is what we call the separation between parent and offspring
You won't settle on the mechanism of how a single organism dying causes the entire population of organisms to evolve by definition. This is not science. You invent ad hoc terms on other loaded terms to obfuscate meaning through false equivocation. you cant even keep consistent in a +1 conversation chain.
Maybe you should find God.

File: hqdefault.jpg (19 KB, 480x360)
19 KB
19 KB JPG
I'm breaking a scientific/mathematical frontier with radical observationism. I can only hint that it has to do with geometry and optics.


[Advertise on 4chan]

Delete Post: [File Only] Style:
[1] [2] [3] [4] [5] [6] [7] [8] [9] [10]
[1] [2] [3] [4] [5] [6] [7] [8] [9] [10]
[Disable Mobile View / Use Desktop Site]

[Enable Mobile View / Use Mobile Site]

All trademarks and copyrights on this page are owned by their respective parties. Images uploaded are the responsibility of the Poster. Comments are owned by the Poster.