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Archived threads in /sci/ - Science & Math - 772. page

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What is the maximum number of pieces of pizza one can get by making n straight cuts through?
65 posts and 7 images submitted.
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>>8736158
Assuming it is a continuous pizza: the answer is {}
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>>8736158
define a slice of pizza, you could make infinite cuts with just this information, or I guess you get as many slices as there are *insert smallest kind of particle you can get from this super god knife* in a pizza
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>>8736158
many

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>Einstellung
23 posts and 3 images submitted.
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>Zweistellung
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>>8736014
>>8736234
Nice hate speech, Fritz.
>>>/pol/
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Dreistellung?

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IQ vs. Grit. Who wins?
Rules
1. Grit guy has average IQ
2. IQ guy is restless when it comes to getting what he wants. He cannot stand defeat.
62 posts and 5 images submitted.
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>>8735967
neither

Gritty IQ wins
>>
IQ wins every time
>>
The only people that say IQ wins are pompous assholes than have never tried something that is genuinely hard. Grit wins everytime. I had some CS classmates who were as smart as me in uni, very gifted individuals, but upon reaching the point they needed to genuinely try and work to understand material, they quit. People who are used to working hard, or are able to, make it through. This is a part of the reason why there are so many college drop-outs. People coast by in highschool and never develop the grit nessesary to do well in college and in life. People who have intelligence but lack grit will either settle for low achievement, be defeated when faced with challenge, or develop the needed grit. Unfortunately, most fall in the two formers.

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>his field of study can be summarized in one equation
62 posts and 9 images submitted.
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[math]G_{\mu \nu} + \Lambda g_{\mu \nu} = \frac{8 \pi G}{c^4} T_{\mu \nu}[/math]
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[math]\displaystyle \sum_{n \in \mathrm{N}} n=e^{i\pi}\frac{.\overline{9} } {12} [/math]
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>>8729942
Everything can be approximated by one equation and nothing can be approximated by one equation.

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computer science
41 posts and 3 images submitted.
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I´m learning the programming language scala and wonder how you guys felt about learning how to code? Currently I´m trying to write a tail recursion to square a number without using multiplication. Is it normal to find that hard at the beginning?
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>>8737448
It's normal for most wannabe coders to realize they aren't autistic enough and give up, yes.
>>
I want to do it in college, but my math base is awful because I didn't give a shit about school about two~four years ago. Now I'm fucked.
Also Python is fun so far.

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I need to learn all of trigonometry in one weekend.


I can do calculus, and I'm really good in algebra, but I am the world's worst at trig. I don't understand it. Can someone give me a rundown, or at least a book I can read?

Tried Lang Basic Mathematics. It was good for algebra, but I don't understand the trig sections.
26 posts and 3 images submitted.
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>>8737350
...how can do you calculus without knowing trigonometry...?
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>>8737350
SOHCAHTOA
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>>8737355
mechanically wrote memorization, and i guess i have a vague notion of the sine and cosine functions, but that's it

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Tell me about the science behind DMT. For example, why do people taking it always see the same things (elves etc) as others, even when they have no prior knowledge of what others have seen/what they should expect to see?
14 posts and 2 images submitted.
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>>8736915
>organisms with similar brains react similarly when ingesting the same chemical
I don't know anything about the precise mechanism but it isn't that surprising is it?
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>>8736915
>why do people taking it always see the same things (elves etc) as others
[citation needed]
>>
i dont know the science but the entire reality we live in is a jewish construct made to control the vast population
DMT helps you step out of the matrix built around us and actually see the world and universe for what it is

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>people still think free will exists

If you think so, try to explain how it's physically possible.
50 posts and 4 images submitted.
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Define "free will"
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>>8736667
How can things occur without causality? It doesn't even make sense.
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>>8736672
Basically, it's the belief that YOU choose what you do and that your choices are not just a result of the past. That you could've done something otherwise if at that moment you were like you know what, nah.

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Is it known why different races have varying brain structure and development? What selective pressures drove these divergences?
62 posts and 12 images submitted.
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is it known why OP is a faggot?
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>>8736578
brains are expensive
they take a ton of calories and increase the probabilty of complications during pregnancy. before modern medicine and agriculture there was strong pressure to keep brains just big enough

the reason whites and asians lead in IQ is most likely because they've been living in more complex urban environments for a long time. This removes some of the pressures reducing brain size and also increases the competitive demands on the brain. Keep in mind that most of those demands are social, for example the number of faces you'll have to recognize in a day/lifetime; a big chunk of cortex is just facial recognition. So autists that have cortex dedicated to math instead of social/seduction are an accident/dead end. Evolution is trying to build more chads and stacies, not the people who consider themselves smart on /sci/
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>>8736622
>Evolution is trying to build more chads and stacies, not the people who consider themselves smart on /sci/

wtf I hate evolution now

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Is there any ongoing research to create genetically modified trees that grow fast and absorb more carbon? I would think that this would be a worldwide research agreement, considering how extreme the governments and their scientists consider climate change to be.
40 posts and 2 images submitted.
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>>8736516

I've seen some papers around on the increased growth rate on some plants under some electricity/static el.field, don't remember details though. Looked interesting enough.

Anycase we'd probably need a fuckton of trees to stop the trend we have now.
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>>8736516
The more a plant grows and has mass the more carbon it captures. They are by their very nature carbon capturing devices. Increasing that rate merely means increasing their growth rate.

In South America they are planting GMO eucalyptus trees for the paper industry. Since they need more paper at a faster rate that also means the trees must grow faster and capture more carbon at the same time. While these trees are not being used for bettering the environment through carbon capturing, their initial reason does the same thing.

If the wood is good for building purposes then it can be stored and used for housing and such. That is the only real way to slow down the release of the carbon back into the environment.
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>>8736539
Do ancient forests absorb less carbon than a young, growing forest then?

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We don't have to be brainlets anymore!

http://worldnewsdailyreport.com/woman-develops-iq-of-220-after-drinking-sperm-everyday-for-a-year/
16 posts and 2 images submitted.
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>>8736230
I wish this was real
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>>8736230
The problem is even if this is true there's no point in drinking your own sperm because it's just taking it out of your body and putting it back in, but losing some of it in the process. The brain should of already learned how to use those proteins and whatnot to increase intelligence.
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>>8736248
>should of

Why do people do this?

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Physical philosophy > Art > Physics > Mathematics > Military > Law > Economics and politics > Engineering > Medicine and biology > Chemistry > Linguistics > Sociology and culture > Psychology > Philosophy > Religion
17 posts and 3 images submitted.
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>>8736089
military > medicine
military > engineering
art > military

Care to explain? Are you a romanticist who likes his paintings dreary as he craves death?
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>>8736114
Your body is equipped to repair almost every single failure you can manage to inflict on you. Medicine is not that important, because humans should just learn how to eat+sleep+sport and live carefully, avoiding injury and infections.

Somebody is born sick and malformed? Yeah just throw it to the wolves and make a new baby. Somebody is shit human and unable to survive? Good, natural selection.

Medicine is needed to extend human biology, like increasing life span.
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>>8736119

>medicine isn't that important

t. didn't die as child due to polio, smallpox, plague, pneumococcal or pertussis pro

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Holy shit /sci/ come here /sci/ pros. (Sorry for my weird "English", I somewhat copied her English for some reason ) Also I'm gonna post what she told me after. lol.
25 posts and 6 images submitted.
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>>8735892
*of
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>>8735892
stupid nigger
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half this shit is unreadable but staring at a pc all day does damage your eyes because you blink less

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How important is IQ? Which parts of the WAIS are most important to doing well in certain fields? What is the cutoff IQ for being able to make a decent contribution to certain fields? What is YOUR IQ?
25 posts and 2 images submitted.
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>>8735501
bump
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The specific number isn't the best indicator. Like if you're 132 and your friend is 133, that doesn't mean anything. Now 15 point gaps are good indicators for intelligence comparison, anything smaller, not so much.
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IQ is meaningless. And I'm not just saying this because I'm insecure about my small IQ.

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How smart was he? How do I get on his level?
19 posts and 5 images submitted.
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>>8735441
bump
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>>8735441
take hella hgh and testosterone. Testosterone makes your ramus longer like his and HGH boosts IQ.
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How could you possibly hope to attain this level of power?

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