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/sci/ - Science & Math

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10758910 No.10758910 [Reply] [Original] [archived.moe]

Why are statisticians the Master Race of STEM?

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10758841 No.10758841 [Reply] [Original] [archived.moe]

ITT rather than try to convince the others of how grave climate change is or whether its the jews or just blown out of proportion, we discuss what series of events would shift your opinion.

For me if picrelated (nasa GISS) would get 3 months under 40 or a year under 50 I would think climate change is either not real or not big of a treat or fucking saved our ass from a period of extreme cold and be thankful.

On the other hand, if we'd get 3 months over 150 or a year over 120 before the next decade is out, I'll start to really worry and jump on 'the end is near' bandwagon.

>> No.10758864

If Trump or whoever his successor is as Republican leader comes out pro-climate change then I'll go with that.

>> No.10758874
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There's nothing that can really change my opinion desu. We know that climate change is real, we know that we're the cause, and we know that there's nothing we can do to stop it. If we had started to change our way of life several decades ago, it might not have been too late, but it's too late now. There's nothing we can do to stop the coming cataclysm, the best any of us can hope to do as individuals is bunker down and endure the disaster.

>> No.10758888

What do you think the most livable places will be in this not too distant future? Obviously anything around the equator is out of the question.

>> No.10758893

Your post makes zero sense. This isn't some catastrophe that will come and go. This is from now till forever. You cannot "bunker down" and let it pass.
It is therefore never too late because it will always be better to do something than nothing and as long as we do nothing it will only keep getting worst and worst forever.

>> No.10758900
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Canada, Russia, and Scandinavia will become the new breadbaskets of the world. Canada will probably be annexed by the USA, Russia will probably be fine (although China might make a move against it), and Scandinavia is already integrated pretty well into the European Union so they should be fine.

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10758795 No.10758795 [Reply] [Original] [archived.moe]

What's the best country to emigrate to as a STEM major?

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10758758 No.10758758 [Reply] [Original] [archived.moe]

How does one know to distinguish fantasy from reality?

Here is a hypothetical scenario: let us say that there is a certain person afflicted with hallucinations, but their hallucinations are "non-bizarre". That is: the person isn't seeing anything overly unusual, like supernatural, paranormal, and/or conspiracy theory stuff. No demons, ghosts, aliens, deities, or anything like that. But this afflicted person is most definitely hallucinating.

What if this afflicted person has a somewhat unusual experience with no supernatural, paranormal, and/or conspiracy theory elements to it whatsoever. This unusual experience was a full-blown psychotic episode, complete with hallucinations affecting all of the senses: visual, auditory, tactile, olfactory, and gustatory hallucinations... the afflicted person assumes that this experience really happened in the physical world (in reality) among other real people who experienced the same exact things so that the general consensus is something that the afflicted person and everyone else involved can agree on.

So this afflicted person goes about their day assuming that this experience really happened. But then they start meeting with other people and talking to them, and those other people suddenly start saying things that contradict what the afflicted person experienced.

How can the afflicted person be certain that they did not simply hallucinate the entire experience?

>> No.10758768
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Use a video camera or a mirror? Perhaps use an object to determine what is real and false like a cane, and then ask a third party how the object has been affected after the hallucination. An objective middle ground would be the most helpful.

>> No.10758798 [DELETED] 

>isn't seeing anything that is not normal

What is "normal" anyway man.
What if your concept of "normal" is actually quite abnormal, and you're experiencing hallucinations all the time but it all just seems "normal" to you?

>> No.10758843

By seeing a therapist if they are mentally ill like (You)

>> No.10758884
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Read these:


>> No.10758907

>This unusual experience was a full-blown psychotic episode
The key aspect of psychosis is that one can not differentiate it from normative reality, it does not even register as a possible hallucination.

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10758734 No.10758734 [Reply] [Original] [archived.moe]

Evolutionary speaking, why are indonesians so short?

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10758710 No.10758710 [Reply] [Original] [archived.moe]

i always liked looking at the nightsky since i was a kid, i am thinking about getting a telescope to get a closer look at stuff. can you recommend me further reading and other resources? also what can i expect to see? mars, moon and venus should be easy but what else is there to be seen?

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>> No.10758739

sorry I meant telescoptics

>> No.10758742

Buying a hubble is a good first step.

>> No.10758744

Good. I don't have any advice. I just thought the word telescoping was comical. I'm done with this thread. Good bye.

>> No.10758759

Get a cheap pair of binoculars, that is in fact all it takes to get started. You will be surprised how much more you can see with it.

>> No.10758847

This, even in many decently lit cities it's amazing how much more you can see. But once you've had enough of nebulas and Andromeda being barely visible blobs, and globular clusters and planets being little more than points, you'll quickly want to move up to a big boy reflector. 6 inch aperture at least.

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10758610 No.10758610 [Reply] [Original] [archived.moe]

Anyone know some OTC medications that are metabolised by the CYP19 enzymes? Trying to slow down methadone metabolisation by creating some enzyme competition.

I'm an aussie btw.

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10758594 No.10758594 [Reply] [Original] [archived.moe]

Disclaimer: Am retard with only BBT-tier knowledge of science

So, if large masses are supposed to bend space - resulting in gravity - do they also "stretch" it? When the effect is visualized in CG animations, or with balls on stretched lycra, the space-stand in is clearly deformed, making it shaped like a cone, rather than a circle, and the surface of a cone is greater than area of a circle.
Does it mean that there is "more space" near large masses than away from them? If so, does this mean that the volume of superheavy objects in space has to be calculated in a different way, as it is greater than just a volume of a sphere? Are they "bigger on the inside"?

>> No.10758621

>Does it mean that there is "more space" near large masses than away from them?
Yes, black holes are bigger on the inside due to the counterspace aspects of the electric universe. The more you bend it, the more you cause "stretching" or dark energy. We're all falling into the galactic center, so it makes the universe look like it's expanding. But the center remains at a constant distance from us while we orbit it.

>> No.10758622

>do they also "stretch" it?
I think so, yes, in the direction opposite to the force (that is, outward from the object). This would redshift radiation coming from a massive object.

>> No.10758700

Yes! GR is all about how mass-energy affects geometry. More specifically, how it affects the spacetime metric, which is a generalization of a distance formula.

Generally speaking, you can start out choosing whatever coordinate system you like, as long as the coordinates vary smoothly and uniquely identify every spacetime point. However, without knowing how mass and energy are distributed throughout those coordinates, there is no way to translate coordinates into distances and time intervals. This is what's meant by the phrase "coordinates have no immediate metrical meaning."

Once you know the mass-energy distribution throughout your coordinates, you can calculate the metric, ie distance formula, for those coordinates. In the case of using cartesian coordinates in empty space, you end up with the Pythagorean theorem (more accurately, the Minkowski metric). In most real world scenarios, the metric will only deviate very very slightly from this, but around black holes and such, distances, areas, volumes, and time intervals will be different from what you naively calculate using the typical formulas based on coordinate radius, coordinate angle, and coordinate time.

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10758593 No.10758593 [Reply] [Original] [archived.moe]

Hello, /sci/.

I was wondering: could any of you please tell me as to whether or not there are any laws (within the United States, or to be more specific: California) forbidding psychiatrists and/or psychologists from assessing and/or diagnosing their patients for a/any personality disorder (PD) with neither their patients' knowledge nor consent?

I ask, because: I suspect that I may had received some sort of Mental Status Examination (MSE) by a Nurse Practitioner (NP) who was signing my prescriptions for one of my psychiatric medications. That psychiatric medication being a psychostimulant (Adderall), which was supposed to be for the treatment of Attention Deficit Hyperactivity Disorder (ADHD). At some point between the dates of: July 2013 and November 2016, I suspect that the NP (possibly along with some of her co-workers and her boss—her boss being my old psychiatrist) must have possibly assessed me for a PD. Possibly something along the lines of: Narcissistic Personality Disorder (NPD). I may gotten myself diagnosed with a PD, and was probably receiving treatment without being told about any of it.

I am vaguely aware of certain rules and/or regulations regarding this, one rule which I think may apply to this being the so-called: “Goldwater rule”; however, the Goldwater rule does not seem to be in itself a “law” (but more of a “suggestion” made by the American Psychiatric Association). The Goldwater rule apparently forbids psychiatrists from commenting on individuals' mental states without examining them personally and without being authorized by the person to make such comments; but, it would seem that some psychiatrists and psychologists ignore the Goldwater rule.

I am also aware that under certain circumstances, that psychiatrists will not tell their patients about their diagnosis, such as certain patients diagnosed with: Borderline Personality Disorder (BPD).

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>> No.10758613

So, then: how (exactly) do people who work within the mental health care system go about testing patients for PDs? I've read a lot about psychological and sociological experiments, and this has led me to wonder: could a mental health care worker go about conducting a MSE to examine their patient for PDs with neither their patient's knowledge nor consent? Is the MMPI (or any other diagnostic classification and rating scales used in psychiatry) really the only way to test for PDs? And if not, how else could they go about it? Furthermore: how could a mental health care worker possibly know that a patient is being completely honest with their behavior and/or answers?

The MMPI-2 kind of felt like a total waste of 7 hours out of my time and $700 out of my wallet. My first psychiatrist even seemed to agree with me on this as he had admitted to me that he believed the MMPI to be: “not very scientific” (his exact words).

It seems like it would be too easy to “cheat” the MMPI-2. Not that I was necessarily trying to cheat the MMPI-2; although, I admit that I did actually consider for a short time looking up the MMPI-2 on the internet to see if it was available to review, but I didn't really try very hard… but let me put it this way: these last few years I've spent a great deal of time reading about psychiatry, psychology, psychotherapy, PDs, mental disorders, etc. I had first heard about the MMPI-2 back in around June of 2016 (after I had inquired to my psychiatrist about testing for PDs, and having him inform me of the MMPI-2 and that it wasn't performed at any of his offices).

>> No.10758618

When I was taking the MMPI-2, some of the questions were things like: “I believe that spirits communicate through me. True or False?” I'd see questions like that and then I'd quietly think to myself: “This seems like the sort of question that a person with Schizotypal Personality Disorder and/or schizophrenia might answer 'True'. I don't want to get myself diagnosed with schizophrenia, do I? They'll just take away my Adderall and probably prescribe me an antipsychotic (Abilify) instead. Regardless, I don't actually believe that spirits communicate through me... do I? Well, I sort of used to. During childhood. And part of my adolescence. But that was then and this is now. I'm 27 now. I don't believe in that sort of stuff anymore. Or do I? Just answer the question already! OK! False.”

Other questions were things like: “My friends often tell me that I have terrible fashion sense. True or False?” I thought to myself: “How am I supposed to answer a question like that? This question does not apply to me because I have no friends.”

Another question might be something like: “The world would be a better place if I ruled the world. True or False?” Then I'd think: “OK. That's the sort of question that would require a complicated answer. How much power would I have? Would I be elected? How agreeable are the people of that world? How many people would agree with me that abortions should be 100% legal in every country?”

>> No.10758619


that’s really cool, you should all definitely trust these people because they passed biochem

>> No.10758625

The point that I'm trying to make is... I didn't try to cheat the MMPI-2, but what is stopping somebody from cheating the MMPI-2? Here's a hypothetical scenario: let's take a person with NPD (for example). This person has the PD, but neither he nor anybody else knows it yet. He hasn't been officially diagnosed with it. This person wants to have himself tested for PDs to prove to himself and to everyone else that he doesn't have one. The guy could probably be considered to be highly intelligent, and has excellent memory. He's spent a lot of time reading about: psychology, PDs, mental disorders, etc. He knows just the right way to answer to all of the questions. He's also a pathological liar. He's such a good liar that he's managed to successfully lie to himself. He believes his own lies. He rationalizes his own actions. He believes himself that he's a good person, but deep down inside he may know that he really isn't. He wants to prove to himself and to the whole world that he's a good person. So he goes on to get himself tested for PDs. Subconsciously, he knows exactly how to answer all of the questions, and exactly how to behave when he's around the psychologist. And he's going to do just that. Maybe he's doing it subconsciously, or maybe even consciously. He then gets told that he doesn't have any PDs. He passed. He got what he wanted. This guy didn't cheat one of those polygraph machines... he did cheat a human polygraph, though.

But my third psychotherapist told me that it's impossible to cheat the MMPI-2 because it was specifically designed to detect dishonesty.

I would really like to know if there really are any such laws and where I could read about them.

Thanks in advance to anybody who can help me.

>> No.10758805

These tests alone are not sufficient for a diagnosis, only in combination with a personal assessment through personal conversation by a professional

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10758580 No.10758580 [Reply] [Original] [archived.moe]

Scientifically speaking, what's the cause behind the Chinese being unable to innovate? There's a shitton of them, so statistically, you'd expect at least some good apples. They have money pouring out of the ass if the project has potential. Their education is always taken as an example for being tough, and the pupils hardworking and smart. Yet, all they do is cheap knockoffs of European/American technology/products/systems/etc. Is it culture? Education? Genetics? Public/private environment?

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>> No.10758660

Research and invention are inherently exceptional and ground breaking, but bugmen are too conformant to allow it, they are only allowed to excel in conformism, nonconformism is a crime, also the young should obey the old.

>> No.10758706

Define innovation

>> No.10758771

To rise in the ranks in China you need to be an unthinking party member. Then you get R&D budgets. And you will be supremely unqualified for either R or D.

Meanwhile the competent flee the country, got killed at Tienanmen or are kept down by party members. Thus even with massive industrial espionage they cannot get far. Add to this the massive corruption.

The result you can see in mess such as Loongson/Godson that was supposed to be new and groundbreaking but in the end turned out to be a copy of MIPS.

>> No.10758829

Because asian culture encourages saving face, and saving face goes counter to creativity and correlates with conformism such that asian countries score less in plasticity and higher in stability, and plasticity is made up of "openness to experience" and "extroversion" which are also known as "cognitive exploration" and "behavioral exploration", both driven by a dopamine and among all beliefs that explain the variance in "openness to experience" is the belief that every person should think of themselves, and thinking for yourself is opposite to these ideas of conformism and "saving face". And one thing that is very important to understand about creativity, is that it's a process and that failure is indispensible, and that one cannot simply expect perfection. However, one can create the conditions for creativity in asians by getting rid of those concerns related to saving face, managing those emotions, and well some scientific paper speaks about that but I can't find it atm. And sure there might be some evolutionary factors, perhaps the fact that western societies tended to the hunting side while the eastern societies tended to the gathering side? Perhaps caused by the geography of those places? And of course it is clear that from history you have philosophies like confucianism that encourage harmony and conformity (though on the other hand taoism and buddhism might rather encourage "openness" but if taoism is misinterpreted then it might rather encourage "conservatism" and "passivity")

>> No.10758831

think for themselves* not "think of themselves"

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10758567 No.10758567 [Reply] [Original] [archived.moe]

Wow it's so hot out here I can't I need beer but my local store only had warm beer. What is some /sci/ approved way of cooling down beer fast?

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10758545 No.10758545 [Reply] [Original] [archived.moe]

In the distant future, if we wanted to move planets around, whether it’s to capture a rogue planet (rocky or gas giant) passing by the solar system, moving the Earth into a new orbit as the sun expands, or moving a moon of Jupiter or Saturn, how would we do it?

>> No.10758887
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Grab it by the core.

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10758505 No.10758505 [Reply] [Original] [archived.moe]

Why is everyone a specialist now? There used to be more polymaths in the past now they are very rare. Now if you take literally anyone out of their field of specialization they are a retard. What the fuck is this shit literally no great person was a specialist.

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>> No.10758680

Because all fields have advanced to the point where so, so much time is necessary to become proficient and competent in even a single one that becoming competent in multiple is basically impossible unless you are an extraordinary genius. It was easy to be a polymath back in the day when physics was basically just what Aristotle and Galileo told us, and medicine was still based on the four humors, etc.
And that's a good thing

>> No.10758687

we could use the technology of today to give everyone more free time.

>> No.10758695


>> No.10758701

So what would be better?

>> No.10758722

>Still no answer

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10758497 No.10758497 [Reply] [Original] [archived.moe]

They were clearly more robust than us. How did we beat them?

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>> No.10758629

Anyone who asserts one particular possible explanation for this as though it were some confirmed answer is retarded. Nobody knows as of today.

>> No.10758672

All I know is that I’m denied contact with our hominid brothers by the genocidal ambitions of my ancestors.

>> No.10758686

Sapiens are more violent.

>> No.10758730

Didn't we have better endurance for persistence hunting? I'd heard they would have overheated quicker and had to rest more than us, and we just jogged after prey continuously until it dropped from exhaustion.

>> No.10758736

Perhaps they couldn't build muscle? Contrary to popular belief, initial muscle size and response to exercise are not governed by the same genes (correlation 0.08 between initial fitness and response to exercise, assuming the subjects did not exercises before. Also, girls who work out are stronger than me despite being initially smaller than me). So perhaps they had bigger muscle base but couldn't build muscle, so they lost when exercising was invented

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10758475 No.10758475 [Reply] [Original] [archived.moe]

I need to learn math. Am NEET brainlet who has forgotten how to even do a division or a multiplication with more than 2 digits without a calculator.

I remember being able to do some very basic algebra many years ago but everything is forgotten and I have a lot of brain fog.

I want to change my life for the better and it requires me to know at least college freshman levels of math.

I have until early march to learn everything, I have to do a couple exams by then.

Pls help, should I start with Khan Academy? Any YouTube channel you recommend? How do I get rid of the brain fog and recover the ability to remember things?

>> No.10758640

A lot of practice.

>> No.10758707


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10758447 No.10758447 [Reply] [Original] [archived.moe]

At what point or frequency do electromagnetic waves transition from non-ionizing to ionizing and what is the reason for the difference in effect?

Do higher frequency waves inherently carry higher energy?

>> No.10758463

power is a function of both
amplitude and frequency

>> No.10758464

I think cesium has the lowest ionization energy so whatever frequency has at least that energy.

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10758419 No.10758419 [Reply] [Original] [archived.moe]

I just feel like I should simply kill myself since it impossible to have high IQ(not the mere digits but the cranial power that comes with it). I simply can't see a single reason to exist if you live in an inferior consciousness.

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>> No.10758741

Get over yourself, if you let something that arbitrary demoralize you then you were just genetically weak to begin with, everyone suffers, its just a fact of life, even smart people are not totally impervious to the hardships of life and often more susceptible to mental illness and depression, either you accept the cards you were dealt in life and overcome the obstacles life throws at you or you will never achieve anything and be relegated to the annals of history like the vast majority of people will

>> No.10758777

This is the worst place to be. Considered a genius by retards and considered a retard by geniuses.

>> No.10758846

It isn't. Your brain that is.
>Inb4 another cope

>> No.10758855
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>> No.10758873

Retard please take your schizophrenia mixed with inferiority complex and psuedo psychological babble back to fit/pol or wherever you crawled out off

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10758405 No.10758405 [Reply] [Original] [archived.moe]

Let's see if /sci/ is smart enough to solve this

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>> No.10758520


>> No.10758538

Not P

>> No.10758709


>> No.10758713


>> No.10758715

P = 4

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10758322 No.10758322 [Reply] [Original] [archived.moe]

Hey boys, girl scientist here. Its been exactly 3 years since I graduated and I still haven't needed to evaluate any integrals or differential equations. I thought mathematicians are 300k starting?

12 replies omitted. Click Reply to view.
>> No.10758693

nice job getting baited so hard you utter fucking retard

>> No.10758727

if that's you, you need to hit the gym and lose that pooch before it starts to sag fatty

>> No.10758824

Hopefully you'll find a job soon.

>> No.10758842

I’ve read many. I’m in mathematical physics :)
This is a nice way to deflect without explaining your point.

>> No.10758849

>integration and differentials are only a small part of mathematics
>and useful in applications to classical physics in engineering
are you literally talking about elementary calculus when you say this or just being obtuse on purpose?

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10758272 No.10758272 [Reply] [Original] [archived.moe]

Why isn't the government putting a ban on AI for private companies? What are those puppets doing? Are they really that stupid?

4 replies omitted. Click Reply to view.
>> No.10758748

Because the jews own both AI and gobernment.

>> No.10758799

Because AI is useful and companies are making big money off of it. Why would you ban it?

>> No.10758807

Because countries like china and Russia are using it.

>> No.10758823
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>not just implementing basic income after AI takes our jobs

>> No.10758836
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But when all people have become useless, self-prop systems will find no advantage in taking care of anyone. The techies themselves insist that machines will soon surpass humans in intelligence. When that happens, people will be superfluous and natural selection will favor systems that eliminate them-if not abruptly, then in a series of stages so that the risk of rebellion will be minimized.

Even though the technological world-system still needs large numbers of people for the present, there are now more superfluous humans than there have been in the past because technology has replaced people in many jobs and is making inroads even into occupations formerly thought to require human intelligence. Consequently, under the pressure of economic competition, the world's dominant self-prop systems are already allowing a certain degree of callousness to creep into their treatment of superfluous individuals. In the United States and Europe, pensions and other benefits for retired, disabled, unemployed, and other unproductive persons are being substantially reduced; at least in the U. S., poverty is increasing; and these facts may well indicate the general trend of the future, though there will doubtless be ups and downs.

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