Archived threads in /sci/ - Science & Math - 128. page
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Math is more rote memorization than biology. Prove me wrong.
Forget an equation? Get a 0 and fail the exam.
Forget a fact? Write what you know, get part marks, and move on to the next question.
Who punishes who MORE for failing to memorize something?
>math
>real science
>>8092954
>Forget a fact? Write what you know, get part marks, and move on to the next question.
Biofags really due enjoy their word vomit, don't they?
>>8092954
>Forget an equation
It doesn't matter if you forget the equation. You can always derive it.
>>8092954
I am not going to lie, there is some memorization in math. A lot of the times you need to memorize postulates and the most immediately useful theorems so that you can do anything.
The difference between bio and math is that the things you memorize in math there is a sense of logical continuation. Many propositions immediately follow from another so as long as you are sharp and remember just the fundamentals, you can come up with the rest.
In a recent test of set theory that I took, to prove a proposition I needed to use a tautology that at the time I did not remember was given to us. I constructed the tautology that would make the proof possible and then made the entire truth table for it, calling it a lemma, and then finishing my proof as an immediate consecuence of the lemma.
Then I checked my notes and that was one of the first tautologies we were ever taught.
However, if you forget what is in the left side of the heart you cannot take one of your classmates and fucking dissect him there to find out. You absolutely need to know that or else you are fucked forever, as you will never be able to derive it.
If you are asked to name something, you will never be able to derive the train of thought of the biologist from 300 years ago who named it, you better remember that because you will never derive it.
Is fear of the dark an atavism caused by evolutionary psychology?
I recently moved to a rural area and I find it curious that I experience faint panic attack symptoms if I go out at night(it's almost pitch black thanks to a lack of illumination sources). Worth mentioning that I am a materialist, ergo I do not have the faintest belief in supernatural occurrences.
fear of the unknown
>>8092956
But why? At least in my circumstances, it's completely irrational. I'd accept it as a phobia, yet I can't pin any environmental factor or traumatic event that would cause it.
Also, it seems to be a somewhat common fear.
>>8092978
uhh of course its common its the like the only fear all humans have. And it makes perfect sense, Going into an unknown is dangerous, especially when it's nearly pitch black, plenty of evolutionary reasons for it to be bred into us.
A rope 1 cm wide and 100 m long is wound up. What is the diameter of the wound up rope?
420
>>8092838
sqrt(10000/pi) cm
>>8092870
are you sure
![Hermaphrodite_symbol_blue[1].png](https://i.imgur.com/1CiunRK.png "Hermaphrodite_symbol_blue[1].png")
I was a little unsure what board to post this on, but I decided that since it's about (hypothetical) biology that this one would be the best fit.
My question is, if futanari actually existed (in the form depicted in e.g. H-doujins), which of their... bits would they urinate out of? The way I see it, there's three possibilities:
It just comes out of one or the other always
It comes out of both at once
They can control which one it comes out of
Which one would be most likely?
>>8092717
>futanari
>H-doujins
fuck you make me want to fap anon
>>8092717
Both at once. Where did they gain complicated bi-valve bladder control that the rest of humans lack?
> /sci/ - Science & Math
Does anyone unironically enjoy this subject?
It's plug and chug, 3 pages version.
Am i wrong thinking that, as an engineer the Laplace transform is literally the only thing worth learning to solve these? Since every physics application will have initial condition anyways.
>>8092703
That's exactly why I enjoyed it, just plug and chug!
>>8092707
"I obviously have no idea what I am talking about" - The Thread
>>8092640
> pro tip
you can't
The second law of thermodynamics indicates the irreversibility of natural processes, and, in many cases, the tendency of natural processes to lead towards spatial homogeneity of matter and energy, and especially of temperature. It can be formulated in a variety of interesting and important ways.
It implies the existence of a quantity called the entropy of a thermodynamic system. In terms of this quantity it implies that
>>8092640
Causation is just another word for correlation.
Example 1:
We observe that smoking and lung cancer often appear together. Therefore we conclude that lung cancer causes a greater appetite for cigarettes.
Example 2:
We observe that climate is changing. We also observe that humans are doing things. Therefore climate change must be caused by humans and has never changed before humans influenced it and anyone who disagrees with this truth is a dumb evil republican capitalist who knows nothing about...
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Which modern scientist/mathematician inspires you the most?
>>8092588
none of them.
Ethics has destroyed science, and no one can come up with revolutionary stuff like einstein did.
As long as scientists will be constrained to work in one field by the richest universities, no good science will come out of it.
Too bad the french universities and schools are too small to be relevant. At least they produce polymaths, but science doesn't pay enough to interest them.
By modern do you mean living?
I've seen a few lectures from Lurie and he's really amazing at the board, you feel like you want to learn so much more by the end
>>8092588
In general, mathematicians seem to be less beholden to institutional bodies compared to scientists.
I am 1 year into my degree (EE) and find it boring and a chore. Will it get better once I learn enough to apply it to real world applications? I looked at the lecture scripts that will come in the next semesters and all that stuff looks boring as well. Is it normal to feel that way? Is it just something you have to get through to then have fun in your graduate degree or job?
>>8092558
Why not try trades if you're the hands on type?
I fucking hated uni for the same reasons and my life did a complete 180 when I got into trade school.
>>8092558
sounds like you're just not interested
loving my EE/CE course desu
>>8092576
What do you love about it?
What are some cool scientific or technology innovations you think will be made in the next 200 - 300 years?
I think GPS-driven automation will be mandatory by the year 2075.
It will be illegal to drive on the streets on something other than a smartcar past in big cities past a certain point. New York City will probably be first to integrate it.
For that time period? 3D printers might actually reach a milestone.
And the thing it brings to the table isn't just cheap, its insane.
Image: Metal with a internal structure to make it even stronger.
3D printed bike/car/house frames
Currently its a expensive plastic novelty.
>>8092476
Shapeshifting clothing
>>8092517
Shapeshifting/folding geometry in general, clothing is just one aspect.
So I'm trying to compute a metric of phase synchronization between electric brain signals.
I'm trying to use the method in pic related.
I got the Hilbert transform down and computed mutual information ([math]I[/math]). But I cannot for the life of me figure out what the fuck this step is to arrive at the measure they denote with gamma.
So far I have an n x n matrix of mutual information values, where the diagonal is the mutual information of the signal with itself. Values outside of the diagonal indicate mutual information between any two brain...
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>>8092238
gib definition of gamma and I'll help
>>8092255
Thanks. The definition of gamma is listed in pic related. Second to last equation on the right. This is all the information that the authors provide.
>>8092254
butt ugly face tho
>be me
>work in GPU lab of uni
>train deep learning networks to detect animals on pictures
>boring af, time to spice it up
>bring in porn stash
>secretly train network to detect boobs
>tfw 97% accuracy
>professor comes in, sees the number
>"Hey anon, I have an awesome idea, let's run...
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>>8092219
story too good to be true, pics or gtfo
>>8092219
holy fuck lmao
>>8092219
pics or it didnt happen
Instead of caring about P=NP why don't we just try to construct better models of computation?
The Church-Turing hypothesis always appeared very questionable to me. Considering that neither quantum mechanics nor consciousness can be simulated by a Turing machine, shouldn't we extend our definition of what it means for a problem or a function to be solvable / computable?
I've checked the wikipedia and there is a page with a short list of so called "hypercomputers", i.e. models of computation more powerful than Turing machines, but for some reason none of them seemed to have gained any popularity. Why?
>>8091920
>I've checked the wikipedia and there is a page with a short list of so called "hypercomputers", i.e. models of computation more powerful than Turing machines, but for some reason none of them seemed to have gained any popularity. Why?
Because, while novel and cool, they rely on science which isn't yet entirely understood?
Was that a real question?
>Considering that neither quantum mechanics
What do you mean? Quantum mechanics IS computable. It is not deterministic, but that doesn't mean it can't be computated probabilistically.
>nor consciousness
So you are saying that a brain is a hypercomputing device? How? Its a purelly physical system that doesn't seem to rely on any quantum shenanigans and so.
>none of them seemed to have gained any popularity. Why?
Because none can be built, nor aproximated to arbitary usefulness (unlike turing complete machines)
>>8091928
They're not even that novel. Turing himself already thought about the possibilities.
If research in hypercomputation became more popular, maybe we'd find out how to do it, instead of wasting too many resources on questions which in comparison appear useless (e.g. P=NP).
>>8091935
I posit that neither the collapse of the wavefunction in QM, nor the creativity of human consciousness are algorithmically computable by a Turing machine. They are strictly stronger.
Can you solve this /sci/? I'll give you the correct answer
Bout tree fiddy
50°
Are those β angles meant to b equal? Because that's a shitty diagram nigga
what sort of psychological problems (if any) arise from seeing terrible things about the world every day on the internet? consider one starts viewing this as a teenager and is previously sound of mind
are there any effects that change someone structurally or is it more superficial
We do not yet know the answer to "how do observations or memories affect neuron structure".
>>8091672
what is going on in the pic
>>8091686
It appears your momma had too much to drink.
What will the millenium prize problems actually yield when solved? Are they just useful to further our understanding of maths or do they have any other useful applications?
>>8091524
Birch Swinnerton-Dyer conjecture is essentially the bridge between the analytic theory and the algebro-geometric theory of elliptic curves. It's been extremely useful for predicting behaviour in these areas of study, yielding results that would have been otherwise difficult to suggest.
The Riemann hypothesis is the key to understanding the behaviour of primes but as far as I know the more interesting question is the generalized Riemann hypothesis, which gives well, more information about how primes behave.
Essentially...
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>>8091539
I like how this post starts really well and gradually descends to shitposting
>>8091582
It starts as imma shitpost but do so subtly and respectfully, then descends into idk what i'm talking about but i'll shitpost anyway.
Which is the level of quality that we should all strive for.
