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Board: /sci/

"/sci/ - Science & Math" is 4chan's board for the discussion of science and math.

No title
Hubble_ultra_deep_field
Where can I read about the nature of the universe, it's meaning, it's limits, what there is "behind" ? And yes I'm totally illiterate since i'm a psychologist but i'm curious
5 media | 28 replies
/sci/ approved physics books
9cb0f292
>>CM
Treatise on analytical dynamics of particles and rigid bodies by E. T. Whittaker, Sir William McCrae
Foundations of Mechanics by Abraham and Marsden
>>SR
Special Relativity in General Frames by Éric Gourgoulhon
>>GR
Semi-Riemannian Geometry With Applications to Relativity by O'Neill
The Geometry of Kerr Black Holes (Dover Books on Physics) by O'Neill
General Relativity for Mathematicians (Graduate Texts in Mathematics) by Sachs and Wu
The Large Scale Structure of Space-Time by S. W. Hawking, G. F. R. Ellis
>>QM
Quantum Theory for Mathematicians (Graduate Texts in Mathematics) by Hall
Quantum Mechanics for Mathematicians (Graduate Studies in Mathematics) by Takhtajan
>>QFT
Quantum Field Theory: A Tourist Guide for Mathematicians by Folland
Quantum Field Theory for Mathematicians by Robin Ticciati
Quantum Fields and Strings: A Course for Mathematicians by Deligne, Etinghof, Freed, Jeffreys, Kazhdan, Morgan, Morrison, and Witten

Landau & Lifshitz for the rest (Statistical Physics, Fluid Dynamics, etc.)
0 media | 1 replies
No title
1563620314709
Prove him wrong /sci/!
You can't!!!
3 media | 15 replies
Unobtainium
Unobtainium
Is there some kind of unobtainium in the real world?
1 media | 6 replies
No title
Triangle
Let me see if I can describe what I did here.
Within the pyramid I drew 1 at the top, then started skipping squares counting by primes.
Type 1 skip 2 type 2 skip 3 type 3 skip 5 type 4 and so on. When I run out of space, I start over and type 1 in the highest left most open square and repeat the process. Wash rinse repeat until all squares filled.
Lots of stuff I didn't expect, but especially why does every row with 1 in the middle square sum to a square number? Just thought I'd leave this little nugget of autism here and see what yall made of it
1 media | 6 replies
Cancer. Please help.
Screenshot_20211031-235205_Instagram
Hey guys, I just received the news that a family member has malignant cancer, located in the liver, stomach and lungs. He's been told to go on chemo.
Can any of you guys help me out? Does any anon here know anything about suppressing cancer as much as possible? I remember reading some advice from anons talking about not consuming any carbohydrates (especially sugar), going on an alkaline diet, and something about chlorine dioxide. I don't know much else.
I'd really appreciate any advice you can give me
0 media | 19 replies
No title
apusad
>Literally zero alien civilizations want to make contact with us
2 media | 9 replies
No title
wojak
Why does existence exist?
9 media | 95 replies
No title
700px-Siliconchip_by_shapeshifter
What comes after semiconductors?
5 media | 33 replies
Is it worthwhile to attempt to pursue academia with mediocre/bad grades?
unnamed
Sorry for shitting on the boards anons, I made sure to look for a worse thread before posting this one. I found >>>14488911 ,so I'll go ahead.

I'm currently taking an advanced algebra class after barely getting through the standard abstract algebra courses (B and B-). I have been feeling miserable for the past two years of undergrad for unrelated reasons, and I find no joy in doing math anymore. I just do the bare minimum. Lately I have been finding topics that really interest me, some "pure" and others more on the applied side, and I decided to start taking my studies seriously. But looking at the mess I made the previous three semesters and the first half of this one, I don't know if there's any point on trying to do better now. I'm at a crossroads where I think I should just change to something else if I have no real goal to pursue by studying mathematics formally.

(Yes, I know about Smale, but that was half a decade or so ago)
0 media | 3 replies
No title
1652110628756
How do we get more women in STEM?
30 media | 177 replies
No title
1652729329927
Are numbers real?
6 media | 31 replies
No title
sid
global warming is fake
25 media | 121 replies
Botany
1632131963832
Is gardening really a science? Which plants are best?
1 media | 9 replies
No title
60d4f3a782c8960018af1d60
What is /sci/ opinion on NileRed? Is it the best science channel on YouTube?
0 media | 31 replies
No title
1613422522155
if 0 to the 0 equals one that means that

0 to the 0 plus 0 to the 0 equals 2

Meaning that

0 to the 0 plus 0 to the 0 times 0 to the 0 plus 0 to the 0 equals 4

Now my question is, how can I use that to take zero apples and get 4 apples?
1 media | 10 replies
No title
class
> junior-year STEM undergrad
> classes still effectively consist of having textbooks read to me
Senior year the charm?
1 media | 6 replies
No title
bv7apko56yr31
>race doesn't exis-
9 media | 31 replies
No title
__kawashiro_nitori_touhou_drawn_by_moka_0w0_mk_0w0__420ab2019818d6586b25f9eb61442d1e
Formerly >>14466681

>what is /sqt/ for?
Questions regarding math and science. Also homework.
>where do I go for advice?
>>>/sci/scg or >>>/adv/
>where do I go for other questions and requests?
>>>/wsr/ >>>/g/sqt >>>/diy/sqt etc.
>how do I post math symbols (Latex)?
rentry.org/sci-latex-v1
>a plain google search didn't return anything, is there anything else I should try before asking the question here?
scholar.google.com
>where can I look up if the question has already been asked here?
archived.moe/sci
archive.wakarimasen.moe/sci
boards.fireden.net/sci
>how do I optimize an image losslessly?
trimage.org
pnggauntlet.com

>where can I get:
>books?
libgen.rs
z-lib.org
stitz-zeager.com
openstax.org
>articles?
sci-hub.st
>book recs?
sites.google.com/site/scienceandmathguide
4chan-science.fandom.com/wiki//sci/_Wiki
math.ucr.edu/home/baez/physics/Administrivia/booklist.html
>charts?
imgur.com/a/pHfMGwE
imgur.com/a/ZZDVNk1
>tables, properties and material selection?
www.engineeringtoolbox.com
www.matweb.com

Tips for asking questions here:
>attach an image (animal images are ideal. Grab them from >>>/an/)
>avoid replying to yourself
>ask anonymously
>recheck the Latex before posting
>ignore shitpost replies
>avoid getting into arguments
>do not tell us where is it you came from
>do not mention how [other place] didn't answer your question so you're reposting it here
>if you need to ask for clarification fifteen times in a row, try to make the sequence easy to read through
>I'm not reading your handwriting
>I'm not flipping that sideways picture
>I'm not google translating your spanish
>don't ask to ask
>don't ask for a hint if you want a solution
>xyproblem.info
25 media | 90 replies
No title
54309583425432
Why is he the best science youtuber?
0 media | 2 replies
No title
2307DF13-C945-4706-9F99-9ABD01E855AD
Why does this thing look uglier and uglier every time I see it?
4 media | 12 replies
No title
DeepMind_logo
>https://www.deepmind.com/publications/a-generalist-agent

>The agent, which we refer to as Gato, works as a multi-modal, multi-task, multi-embodiment generalist policy. The same network with the same weights can play Atari, caption images, chat, stack blocks with a real robot arm and much more, deciding based on its context whether to output text, joint torques, button presses, or other tokens.

>By scaling up and iterating on this same basic approach, we can build a useful general-purpose agent.
10 media | 125 replies
Quantum simulation
pikachu_virgin_road
Does quantum physics point towards our universe being a simulation? And what would be the implications for the parent universe?

It seems like the various probability based dynamics could be a measure to save computation.
If you have taken information theory, you know the entropy/uncertainty of a random variable with close probabilities is dramatically higher than one where the outcomes are completely lopsided. The uncertainty is zero with a fully deterministic function. But this requires knowledge of the actual, realized values in the immediate present/past. As this applies to literally everything, it becomes clear that resource needs balloon/compound exponentially with every further time step. If probabilities were used, a lot of "similar" origins can blur together into just a probability cloud.
If seems like cheeky programming to cut down on memory/calculation.

But if true, just how much more expansive would a parent universe be, assuming it's deterministic? Obviously in some naive/linear sense it's much larger, as our universe is contained in it. Via this logic, one might just assume a parent, say, 300% larger (you get the principle). But intuitively, the parent gets much more bang for a buck by making fuzzy children vs. also deterministic ones, so if you account for such a constant scale factor, a deterministic parent would have to have much more shit going on in the background just to "keep the lights running" (not suggesting the parent also needs to be artificial -- it's right now irrelevant).

Could we somehow get knowledge about traits of the parent via the toll our universe extracts from it in thermal/Hawking radiation (via our event horizon)?
>don't pretend I know what in the FUCK I'm talking about, just non-physicist speculah

Before you reply
>actually, reality itself is defined by fuzziness/wave functions. We don't need alien programmers
I know this is, philosophically, the stronger interpretation. But I want to discuss the simulation case here.
2 media | 5 replies
Mental ilness discussion /thread/
sigmund pepe
i dont believe in widespread mentall ilness, i mean people banging their head into a wall, eating shit and mass murderers etc. surley have some sort of problem. but it seems like EVERYBODY has some sort of defecit. i dont know if its the result of actuall recent progress in the field of psychology that established a better understanding of the human mind and that indeed every human has some sort of illness, or if its just people born into a world where finding and developing a real personality is hard because they never faced hardship and are constantly bombarded with dopamine granades (porn, social media, drugs). therefore they are forced to identify and express themselves with a concept they have no influence over but is still widely appliceble to most humans, hence mentall illnesses and deseases as replacements for personality traits and individualisim.
6 media | 32 replies
Card Counting
Screen Shot 2022-05-15 at 10.15.24 PM
I just read The World's Greatest Blackjack book. I've been drilling myself counting for hours. If I keep this up and practice the basic strategy, what are the chances I make money this upcoming weekend? Anyone else have any experience doing this and have pointers?
1 media | 14 replies
Coilgun Current Help
coil1
I'm building a coil gun but I can't get a high enough current. I'm launching the projectile by momentarily connecting the wires connected to my power supply to the ends of the coil.

My PSU supplies 30V up to 5A. But it isn't powerful enough for my purposes.

How can I increase the current that goes through the coil?
3 media | 20 replies
/med/ - Medicine general
anwli
Quetiapine -edition

old >>14461912

We discuss clinical practice and research, DO NOT offer advice (just fucking go see your doctor) make fun of premeds and shitpost. Please keep vaccination/clamping/vitamin K/soliciting advice out of this thread and start your own because it takes a lot of space.

>inb4 not science
>inb4 poor amerimutts wanting medical advice
21 media | 143 replies
Kurzgesagt Thread /kurz/ - Moving Through Reference EDITION
YOU ARE HERE
This is a kurzgesagt thread for /sci/
New video from kurzgesagt!
https://youtu.be/Pj-h6MEgE7I
This video tells us the idea of frame reference and how we're moving through universe while still believing we aren't, to confirm to us that this world does NOT revolve around us but we do revolve around it.
More info in video, WATCH IT!
1 media | 8 replies
Dedekinds characterization
wnb
https://youtu.be/4CBFUojXoq4

So the Dedekind reals in some realizability topos dependent on some oracle, that doesn't validate excluded middle or countable choice, is indeed countable.
5 media | 12 replies
/sqt/ /qtdttot/ - stupid questions thread
FQPdpYaUYAINY8R
>what is /sqt/ for?
Questions regarding math and science. Also homework.
>where do I go for advice?
>>>/sci/scg or >>>/adv/
>where do I go for other questions and requests?
>>>/wsr/ >>>/g/sqt >>>/diy/sqt etc.
>how do I post math symbols (Latex)?
rentry.org/sci-latex-v1
>a plain google search didn't return anything, is there anything else I should try before asking the question here?
scholar.google.com
>where can I look up if the question has already been asked here?
archived.moe/sci
archive.wakarimasen.moe/sci
boards.fireden.net/sci
>how do I optimize an image losslessly?
trimage.org
pnggauntlet.com

>where can I get:
>books?
libgen.rs
z-lib.org
stitz-zeager.com
openstax.org
>articles?
sci-hub.st
>book recs?
sites.google.com/site/scienceandmathguide
4chan-science.fandom.com/wiki//sci/_Wiki
math.ucr.edu/home/baez/physics/Administrivia/booklist.html
>charts?
imgur.com/a/pHfMGwE
imgur.com/a/ZZDVNk1
>tables, properties and material selection?
www.engineeringtoolbox.com
www.matweb.com

Tips for asking questions here:
>attach an image (animal images are ideal. Grab them from >>>/an/)
>avoid replying to yourself
>ask anonymously
>recheck the Latex before posting
>ignore shitpost replies
>avoid getting into arguments
>do not tell us where is it you came from
>do not mention how [other place] didn't answer your question so you're reposting it here
>if you need to ask for clarification fifteen times in a row, try to make the sequence easy to read through
>I'm not reading your handwriting
>I'm not flipping that sideways picture
>I'm not google translating your spanish
>don't ask to ask
>don't ask for a hint if you want a solution
>xyproblem.info
3 media | 14 replies
Did the kid smarter than Einstein do anything yet?
BA6D044C-0356-43A1-9A26-2C90F6BB021D
Remember Jacob Barnett? I know his family has had some legal trouble (the Ukrainian dwarf child they left alone in an apartment so they could run to Canada) but last I heard he was working as a researcher?
Has he put out any papers/theories that “disprove relativity” (like he claimed he was going to) yet?
7 media | 51 replies
No title
thumb_cl
Can you make a breakthrough in physics if you dont have a degree, or will you just be ignored?
6 media | 54 replies
No title
d41586-020-02785-5_18436254
Why is it half the time people talk about Venus, they use one of those surface map photos and not what it actually looks like?
0 media | 1 replies
Communist Newspaper
TheDailyRation
“The Daily Ration: Proles' Guide To Quotidian Survival”
Gommunizm: genocide, ethnic cleansing, murder of dissidents, shooting protesters, kleptocracy, corruption, sabotaging businesses, empty promises and empty shelves, rationing and food stamps, ban on emigration, denying people the right to decide their future, economic collapse, constant propaganda, censorship, historical lies covering up the truth, whitewashing failures, breaking up the human spirit to make one feel like a worm.
Reality just a generation ago.
We all know about it, remember it, will never forget and we'll make sure that the rest of the world knows the truth.
0 media | 1 replies
No title
covid
how do scientists deal with coincidences when doing science?
0 media | 2 replies
No title
cc1 (1)
AI scares me
9 media | 26 replies
No title
1627437911641
Why does perception of time speed up as you get older?
6 media | 36 replies
No title
FRjH4MvXMAIBzwP
So if Webb fails to find anything suggesting life is Fermi Paradox actually going to become a real paradox?
36 media | 195 replies
No title
AP_20284470021131
Is rocket science actually hard or is it just undergrads crying about differential equations again?
5 media | 18 replies
Redditfaggots lied to me
9780070856134
I put off reading baby Rudin for a long time just because I kept reading that it was "too hard" for a first analysis course. I started working through it today and the proofs are straightforward and the chapters nicely structured, what's so impenetrable about it?
2 media | 21 replies
No title
the-big-bang-theory[1]
Admit it.
How close is your daily STEM life to the one portrayed in the show?
0 media | 41 replies
No title
1652131231796
Welcome to STEM Career General!
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!

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/

An archive of all the previous editions of /scg/:
>https://boards.fireden.net/sci/search/subject/career%20general/

NOTE: Any useful resources relayed in this thread will be included in future /scg/ threads.

previously >>14470328
15 media | 95 replies
No title
1503911127666
Why did we evolve to die? How the fuck is dying an adaptation to your environment? Did Darwin have a stroke when he came up with this bullshit?
4 media | 60 replies
Using nukes in space
voyager-station-space-hotel-gateway-foundation_dezeen_2364_hero_1[1]
do nukes so much damage in space?
suppose you were to hit a space station with a 100-kiloton nuke. would it obliterate the space station?
6 media | 41 replies
No title
cover10
I FUCKING HATE ADHD FUCK ADHD FUCK IT

I HAVE BEEN TESTED TO HAVE 141IQ BUT I FUCKING SUCK AT MATHS AND CHEMISTRY.
WHY THE FUCK IS IT LIKE THIS.
I WILL MAKE A BOMB AND MYSELF UP IF I FAIL ANOTHER MATH TEST. ALSO I HAVE LITERAL GLOWNIGGERS LISTENING IN ON ME - FUCKING WHY??
2 media | 25 replies
Where was all the iron on early proterozoic Earth's surface?
Before iron precipitated out of the oceans, was most iron not in the Earth's mantle/core n shit in the oceans, since most iron we mine is in banded iron formations today? What was the rest of the iron in the crust at the time caught up in?
2 media | 13 replies
No title
FR95hAYVcAEsHqT
But how do you make sense of multiplying a number iπ times?
2 media | 26 replies
did anyone debunk this?
1652733804542
i took 3 doses. should i start to panic?

https://twitter.com/twitchngamer/status/1524728166425759744

i spent my whole life hating on gays and now im going to die with the gay disease, what the hell?
6 media | 30 replies
Determinism.
2023946447
Assuming time trave is possible. you know how you are going to die. would this make the universe deterministic?
also discuss other time travel topics.
1 media | 3 replies
No title
1652771549846
>been out of school so long can't remember how to do math
>see pic related
>manage to get to 1 = (-x + 1)/(-x + 1)
> 1 = 1
>what the fuck
>plug 1 into the original problem
>get 0s in the denominators
How the fuck do you even do these kinds of problems again?
0 media | 16 replies
Synthetic geometry
1632551383180
Synthetic geometry seems to be a very neglected subject nowadays.
What are some good books to get started into the subject beyond the basic stuff that high school courses offer? Among recent mathematicians who devoted themselves to this topic, I only know of Coxeter. Are there any other recent authors who published books on synthetic geometry? Or should I look into older books? Also, how good is Coxeter for starting out?
0 media | 0 replies
No title
1651907380558
>FORGOT HOW BAYESIAN PROBABILITY WORKS AGAIN
0 media | 2 replies
No title
1652791802742
>M.I.T researchers have completed a study this Monday studying the functional differences between a racist and an ordinary person of color.

>"What we found is nothing less than incredible. The key markers of intelligence that are abundantly present in African americans such as thought processing, and rapid understanding of complex ideas is completely missing in a racist's brain." It's astounding."

"We plan to further study this phenomen as we progress further into our next study. Racism seems to go hand in hand with a marked path of idiocy.

>M.I.T grad, and popular skater Mike Vallely had this comment

>"Drive around and scream racial slurs out your window? My fists will be making sure you turn hazard lights on."
0 media | 1 replies
No title
ErN9FpF
Every year CO2 and CH4 capture technology becomes more advanced. So when are we going to start using it?
I feel like a massive number of capture plants running on renewable energy could put the US and EU into carbon neutrality, and eventually do the same for the world.
If the trend towards renewables continues, this would eventually bring the world to a carbon negative point. We could rig the environment so the air is no different from what the Romans breathed.
So why aren't we doing this? We spent trillions on a bad flu, this is a much bigger deal.
4 media | 12 replies
No title
stephen-wolfram-dr.med
> solves all physics
> no pig disgust induction needed
> all achieved with pure deduction from multiway causal hypergraphs
> while at it, also solves all metamathematical problems
> arrives at something more fundamental than maths itself
> Discovers the Mind of God in the Ruliad

Nothing personnel, kid
0 media | 6 replies
Chemistry for Mathematicians
1652207303705
Does this exist? There are lots of physics books written for mathematicians (e.g. Arnold, Takhtajan, Hall, O'Neill, Abraham & Marsden, etc.), is there an equivalent for chemistry?
0 media | 2 replies
"Grabby Aliens"
GrabbyAliens
>We estimate that loud alien civilizations now control 40-50% of universe volume, each will later control ~10^5 - 3x10^7 galaxies, and we could meet them in ~200Myr - 2Gyr.
what am I to make of this, bros? is this valid reasoning?
https://grabbyaliens.com/
It got published in a real Astrophysics journal. It says 50% of the universe is controlled by aliens.
0 media | 2 replies
No title
carrots
Is there a way to calculate how much resources a man needs, such as water, land, etc.?

Like for example for food you need farms and stock, so that ads to total land usage that we need.

If you own a car or a computer, that means the mines for the materials in this, the production plants, the transport etc.

Picture of a carrot because it's good for you
0 media | 1 replies
Is high-functioning autism real?
Part 60
All of the features are pretty common.

>Dislike of loud noises, bright lights
Who likes those?
>Fascination with one or several hobbies
That's most men.
>Not hyper-social, low empathy
That's most men.
0 media | 2 replies
No title
7B9C8832-95D2-41D4-B7B1-B14F0817AAC4
>almost everything that exists reflects light of only the narrow Visible Spectrum as seem by humans.
It’s almost as if someone designed it like that…
1 media | 12 replies
No title
pPwi7HYokxau
It was easier to trick brainless drug zombies into volunteering for the clot shot than it was people who weren't in a drug induced stupor, so now the scientists can blame their drug addiction for their death instead of the clot shot.
5 media | 68 replies
No title
Tesla_circa_1890
Why did he hate Theory of Relativity so much?
35 media | 256 replies
No title
84d
Will we ever get a cure for baldness?
5 media | 27 replies
No title
chrome_IGy34Y9h4H
why does she think that 2+2=4 excludes POC? Did it exclude Dr. Tyson? Michiu Kaku? Jim Al-Khalili?
9 media | 40 replies
wild corn
evolution of corn
Native Americans used selective breeding over thousands of years taking a wild corn and domesticating it leading to the kind we have now.

Modern corn is completely dependant on humans for survival and does not currently have a wild version in nature anymore. Every other vegetable or fruit has a smaller wild version out there somewhere in the wild, onions, carrots, bannanas for example. if humans disapeared, corn could go extinct in a year or two.

I love corn and that worries me. Can anyone in a college try to create wild corn? Maybe with a large fenced in field or greenhouse, start the usual way tilling the soil and growing corn as normal, but let it dry out on the stalk and let nature run its course. Out of all the plants, there might be a few that pop up next spring, protect those ones and care for them, repeat this process with the seeds from those until you create a strain that can reproduce on its own. Do this is different invironments, like northern america with winters and hott states.
0 media | 9 replies
No title
star size angle subtended
Looking at stars with the naked eye, they appear about the size of a sentence period at arms length (about 1mm).

But when you do the trig calculation of star distance & diameter you find the angle of our vision stars should /really/ subtend, which is only nanometers wide at arms length (between the size of a molecule and virus).

What's going on here? Why do stars appear a million times bigger than you'd expect them to?
1 media | 13 replies
No title
average_faces_01
Why do different ethnicities have such different facial phenotypes? Is it more to do with partner preference or survivability?
0 media | 1 replies
No title
1652302761043
Will we have AGI once we get deep-learning language models to use logical reasoning?
1 media | 5 replies
No title
195528791546
How come gays are still around despite natural selection?
25 media | 249 replies
No title
images
>be non-britbong poorfag
>get accepted into picrel for stem subject
>family is piss poor and cannot afford tuition so basically i will have to turn down their offer
>admissions into the US are a p2w game so no success there either
>will have to settle for top 3 tech universities into the netherlands

just kill me already
8 media | 150 replies
No title
348383B8-8D84-4EA4-BC72-90FBD3A2DB8B
which existential risk would be cosmic in scope and hellish in severity?
7 media | 26 replies
No title
lex-fridman
What difference between biological neural networks and artificial neural networks is most captivating to you at the higher philosophical level?
3 media | 11 replies
No title
91MFOM+fm+L
Does anyone have the pdf for this book? Or can at least tell me how I can purchase it online? I need it for my functions class.
0 media | 9 replies
No title
70dde3c065eca2367785ee915d5dd84aca0386c5f40b26bb5939286dd834699f
What's your favorite /sci/ publisher?
4 media | 18 replies
Dr.Fauci
faucipilled
"Haters only hate things they cant have and people they cant be, it's a little thing called jelousy" - lil Wayne
11 media | 18 replies
No title
y intercept
How would you explain graphs to a newbie?
0 media | 12 replies
No title
yyyy
my humanities brain is content
12 media | 72 replies
Space
lol
Space is boring now guys just give up on your curiousity.
2 media | 20 replies
No title
52526BB7-F0AA-44B2-925C-77DA60349ABD
Are there any animals other than humans that attempt/commit suicide? Is animal suicide real?
0 media | 1 replies
No title
8dcffbf3fe0a376af88c3bfefb316c5c39629128a08071548032f4a099332192
Is there such a thing as a type of music/noise that has been shown to actually promote concentration?
0 media | 13 replies
No title
2.8.27 Sodium reaction diagram
What is /sci/'s favorite chemical reaction? Mine is sodium + water. Makes a nice bang
0 media | 7 replies
Roast me
1647851664124
I am going to study civil engineering at a public uni next semester
3 media | 8 replies
No title
53F93732-2137-4983-BD7D-32C06F9EA123
What is the easiest way I can notice time dilation due to gravity inducing quantities of mass
2 media | 10 replies
No title
PF1Pm6odWShj
The FDA is planning to dramatically increase the cost and lower the availability of all dietary supplements such as vitamin pills and protein powders by requiring them to go through the same expensive, time consuming approval process as pharmaceuticals.
Does /sci/ think this is a good or a bad idea and why?
https://news.bloomberglaw.com/health-law-and-business/durbin-eyes-linking-dietary-supplement-bill-to-fda-fee-package
2 media | 16 replies
No title
Bromine_25ml_(transparent)
What would theoretically happen if you drank some deciliters of bromine? How would your body handle it and would you die?
1 media | 5 replies
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1644007162558
I need a simple but fast way (approximation is fine) to calculate the geodesic distance between two points on a 3D mesh.
1 media | 5 replies
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Coping-with-stress[1]
What is the use of the stress response?
When I'm trying to deal with something already, why does my body say "here you go, have these stress hormones that'll make you feel bad and weaken your heart tissue and age you prematurely so you won't reproduce"
How is that an evolutionary benefit?
0 media | 18 replies
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0fgx9Hy
Physics

https://imgur.com/gallery/b0dmmYR
0 media | 5 replies
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a1x8dk53yi261
How do you know if a mathematical proof is true or not?
1 media | 31 replies
string theory (proper) died when Joe died
CE457BE2-4C3E-42BD-AB71-8B56615A0164
i honestly feel that the death of Joe Polchinski was a quiet and unrecognized turning point in history that marked the death of String Theory.

he was a self-proclaimed “grandmaster” of string theory and one of the very few willing to go into the trenches to fight the anti-string haters to defend it with real substance.

the elder gods of string theory like Witten and Schwarz and the rest are so boring and timid and too mathematical. even Lenny Susskind is like an empty shell of a string theorist.

poor Joe. his brain literally imploded on him. massive tumor. when he was still in his prime too. guess he was too smart.
5 media | 37 replies
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moon
Why is the moon disappearing?
I thought it gave it's own light... is it finally broken?
12 media | 33 replies