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Archived threads in /sci/ - Science & Math - 532. page

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Find a statement that is both true and false at the same time.
83 posts and 6 images submitted.
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>This statement is false
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>>8909408
Find a statement that isn't recursive and is both true and false at the same time.
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>>8909407
You can travel through time.

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This guy says the universe has an origin. How can something come out of nothing?
22 posts and 4 images submitted.
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>>8909318
The universe does not have an origin because the universe came into existence from another version of the universe. Something can come out of nothing if what we refer to as nothing is the universe in another form.
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>>8909318
>How can something come out of nothing?
How can you pull such a shitty post out of your ass? Sage all fields
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>>8909318
The is more white is this guy, then there are blacks among humanity

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I've been reading about Raspberry Pi and I'm very interested, but before I buy it I want to know what a brainlet like me can do with it. I have background knowledge in programming but not that much. Also where do you recommend I start? the for dummies pack or somewhere else?
13 posts and 4 images submitted.
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>>8909161
There are kits on Amazon with a pre-loaded OS. You could create a home server, plug in a storage volume, store all your porn on it. Play doom. Maybe wrap it in duct tape and massage your prostate with it. The limits are endless bro
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>>8909161
>>>/g/
But srsly they're just a computer that won't be as good as your main computer. Cheap enough to mess around with, but the usefulness is quite redundant.
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>>8909161
you don't need to know how to program
just read https://www.raspberrypi.org/documentation/remote-access/ssh/ first and prepare the sdcard correctly if you want to use it headless

>>8909182
you can use it as a really shitty always-on homeserver

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Ok so this might seem like a stupid question, but bear with me: Are quantum phenomena affected by normal probability?

So for example on a macro scale I roll two dice, and add the two results together to give my answer. In this case I have a higher chance of ending up with a result of 7 than a result of 2, (because 3+4 and 5+2 etc.).

Would this be the same case with hypothetical quantum dice?

I dunno, maybe by throwing probability in there I'm completely missing the point of "cannot be predicted until observed"
11 posts and 2 images submitted.
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>>8909005
The wave function's absolute squared distribution is non-uniform, yes.
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>>8909005
Yes, the effect happens just the same.

Although it's worth pointing out that the probability interpretation is "just that" - an interpretation (maybe the only good interpretation we have).

What's different is that the quantum systems can be more complicated. I.e. some events that would describe joint events simply can't occur. That is, events for which the analog in classical mechanics would be uncorrelated, and so you don't naively expect the complicated behaviors..
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>>8909005
why don't you fucking go and read a book on it if you want to know instead of asking retarded questions about things you don't actually care about?

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How the fuck is blind belief in The Singularity and a techno-rapture even a thing?
How can anyone be so fucking blind to the obvious and glaring problem with the idea of "infinite progress"?
Moreover, how can all these pop-science pothead-logic reddit soothsayers (e.g. WaitButWhy, CGPGrey) keep talking about the Singularity being "right around the corner" with such optimistic conviction when every sign is pointing to technological progress slowing down and growing exponentially more expensive? The difference between 1950 and 2020 is minuscule compared to the difference between 1880 and 1950. How can they not see that?
11 posts and 2 images submitted.
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>>8908970
Because it's easier to muse about hard work being done than to actually do it.
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>>8908970
so you're telling me sam harris is a moron?
yeah fuck off
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>>8908970
>The difference between 1950 and 2020 is minuscule compared to the difference between 1880 and 1950.

I'm curious why you say that, and what metric you are using for technological progression.

The world's population in 1880 was 900 million. In 1950, the population was 2.55 Billion. The difference is 1.65 billion people. (183% increase)

Now, the population in 2020 will be 7.56 Billion. That is a difference of 5 billion. (196% increase). We are able to hold 7 billion people solely because of advancements in technology.

Arguing that technology is "slowing down" is just nuts. All measures of reality show we are rapidly accelerating.

>The difference between 1950 and 2020 is minuscule compared to the difference between 1880 and 1950.

What metric are you using to compare these two time spans?

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If birds evolved from dinosaurs, then what did reptiles evolved from?
12 posts and 1 images submitted.
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>>8908952
Amphibians
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https://www.youtube.com/watch?v=LLpIMRowndg
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>>8908952
Your mom

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Hows it feel to be odd? I'm a super recogniser, I never forget a face.

Why did evolution not make everyone have super recognition? Wouldn't being able to remember faces be an advantage? I can see why forgetting faces would be a disadvantage.
22 posts and 2 images submitted.
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>>8908877
That isn't how evolution works
As you won't die from not being able to remember all faces you reproduce and have kids with the same gentics.

The same applies in reverse you don't mate more because you can recognise faces.

Also unless this ability is common in your family it is just a mutation anyways
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>>8908877
>Does it improve chances of reproduction?
If yes - evolutionary pressure.
If no - no evolutionary pressure.

Tell me, has the ability to remember faces got you laid ever?
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>>8908885
Actually now that you've put it like that, probably works as a good party trick

facial recognition = bitches?

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do not produce deep industry related domain knowledge. Instead they produce students that are not qualified for any job in the workforce.

Great, you studied Algebraic Topology but you lack the probability/statistics and coding knowledge to become a data scientist. You don't know React,Angular, or anything remotely useful.

This means a 3-month bootcamp graduate is more qualified for a job than you are.
12 posts and 1 images submitted.
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>>8908875
>Doing a math/physics degree
>Picked up programming as a hobby
>There were mandatory statistics classes

I guess I'll be fine, then.
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why would you expect a pure math degree to give you 'deep industry' knowledge in the first place? it prepares you for researching pure math, that's why it has that name
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>>8908886
Also anyone capable of graduating in pure math is capable of picking up any skill relevant to "industry" on a whim. CS fags are just mad that someone who didn't spend few years on subpar degree is better at their work

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They told us that lines of field are just imaginary mathematical model to help us calculate and visualize whats happening but we can clearly see that iron dust groups into lines around magnet.

Why is this?
11 posts and 2 images submitted.
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>>8908798
Because, Anon, mathematical models tend to be at least a little bit accurate.
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>>8908800
So there is not magnetic field in space between lines? Im scared
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>>8908798
>They told us that lines of field are just imaginary

They lied to you, fields are absolutely real and physical.

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How can I maximize the amount of time I spend studying mathematics? Do I got into the woods and leave modern society?
14 posts and 4 images submitted.
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>>8908735
Stop visiting 4chan, that will help a lot. In fact, stop paying for internet entirely.
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>>8908735
Damn that looks like some good ass coffee
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>>8908972
>stop paying for internet entirely.
Mong.
You have no feedback without Internet.
You can pull it off only if you're already a math wizard.

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What if viruses are "living" as in when they put the dna in the cell, the cell becomes a living "virus"

like the dna in the virus put into the cell to change it's dna structure to make the cell a different living orgasm, a living "virus" organism
45 posts and 9 images submitted.
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does it matter?
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>>8908635
>>disinfo agent
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>>8908632
A virus is not considered alive because it can't replicate itself. It's similar to life, but not quite. It's really a matter of definitions - not like a virus changes its properties depending on whether you define it is a living thing or not.

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I find it fascinating how geniuses are able to just "get it" after minimal studying and using intuition alone.

How are they able to do this without prior experience? How are their brains able to just "know" the correct answer with such minimal effort?

I remember during my programming classes this guy with 0 prior programming experience, practically became a programming wizard by reading the notes just ONCE and NEVER consulted help on forums, stackexchange or whatever. Whereas everyone else struggled and barely "got it" several months later. (I of course failed the class and took a philosophy credit instead, but this thread is about geniuses not me...)
14 posts and 2 images submitted.
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complimentary knowledge
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>>8908631
You know how you can apply the same skillset you use to wipe your ass for cleaning all kinds of confined spaces? Your brain comes with the ability to notice and match patterns, and quickly realizes that some narrow gap between floorboards is not that dissimilar to an ass crack. Which lets it carry over a lot of the connections for this new task.

Geniuses are the same, just a lot better, and can do this pattern-matching and extension to problems involving a lot more variables and requiring much more working memory.
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>>8908631
you know they spend most of their life just thinking about things. And when you think, you basically think most about problem solving and logic, and when you get better at it. Things that are have anything to do with problem solving and logic just click it just clicks.

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All engineering majors
>learn all of this incredibly specific technical knowledge that will be outdated by the time you graduate and be forced to work in the middle of nowhere for $60,000 per year inspecting various insignificant parts on a line and babysit tradesman
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>>8908452
Religion should be dead last
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How is it possible that some majors have IQ 2 standard deviations above average? It is statistically impossible unless you are somehow specifically selecting people with higher IQ to study certain subjects.
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>>8908587
the iq in these studies/charts is just an estimation based on SAT scores

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Hey /sci/, Lets say i forgot everything about math and want to learn compsci math what books or resources would you advise?
22 posts and 4 images submitted.
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>>8908407

Speed Mathematics Simplified by Edward Stoddard
Algebra by Gelfand and Shen
Functions and Graphs by Gelfand, Glagoleva, and Shnol
The Method of Coordinates by Gelfand, Glagoleva, and Kirillov
Trigonometry by Gelfand and Saul
A Transition to Advanced Mathematics by Smith, Eggen, and St. Andre
Introduction to Calculus and Analysis by Richard Courant and Fritz John
The Art Of Probability for Scientists and Engineers by Hamming
All of Statistics: A Concise Course in Statistical Inference by Wasserman
Numerical Methods for Scientists and Engineers by Hamming
Matrix Analysis and Applied Linear Algebra by Meyer
Combinatorics and Graph Theory by Harris, Hirst, and Mossinghoff
Geometric Methods and Applications: For Computer Science and Engineering by Gallier
Logic for Computer Science: Foundations of Automatic Theorem Proving by Gallier
Elements of Information Theory by Cover and Thomas
Introduction to Modern Cryptography by Katz and Lindell
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>>8908407
CompSci isn't particularly hard on math.

Calc 1, Linear Algebra, Discrete math. That's about it.
Make sure your foundations are strong, perhaps go through a precalc book first. College level math is gonna be impossible if you struggle with basic algebraic manipulations of expressions


Other than that I think it would be better to read "Algorithms" and "The Structure and Interpretation of Computer Programs" aka "CLRS" and "SICP",
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>>8908424
>>8908431
That's all good and great, but if he forgot everything about math, he might want to start here instead.

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What is an imageboard anon?

If you asked Plato what a symposium is you wouldn't just get "it's a place where the lads go and drink", he'd explain the nuances, the interactions, his reason for attending.

Ask an (intelligent) athlete what football is, they won't say "It's a game where you kick a ball and try to get it into the other team's net. It's a lifestyle, a dream, there's history and rivalry between teams, social aspect, banter, you can give a core part of your free time and identity to it.

With that being said, what is an imageboard anon, and why are you here?
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>>8908233
>What's an imageboard hurr?
>Why you here hurr?
Ask an athlete what football is, and he might shove something up your ass. Ask Plato what a symposium is and he will think you are retarded. Shut the fuck up
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>>8908233
>Tits
>Thighs
Alright, I'm fapping.
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>>8908233
a great way to waste time
a low-risk way to interact with people

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