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Archived threads in /sci/ - Science & Math - 610. page

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Yo /sci/, do I take calculus I in college or skip it with my AB credit?
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>>7672002
You should go fuck yourself.
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>>7672006
Well memed my friend
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>>7672010
>>7672010
quit acting like there is anything to say you dumb faggot. you either know it well enough to skip it or you fucking don't you dumb fuck. why are you asking some random faggots on the internet that don't fucking know you or anything?

fuck off I don't fucking care about your dumb question

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>I like programming and computers so I'm doing computer science! XD
>my fucking face when
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>>7671985
What's wrong with that?
If someone likes programming and computers, are they supposed to get a Math degree or Physics? Biology?
What? CS sure is a shit major but I don't understand your point here.
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>>7671987
>what's wrong with that
these kids don't realize how fucking math intensive CS is
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>>7672004
>CS
>Math intensive
I don't think Cal 1, 2, linear algebra and Discrete math are intensive. But yeah maybe most of them kids don't know they have to deal with math more than they were supposed to.
After you are done with the first year maths though, you barely touch it anymore unless you pursuit a grad degree.

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If gravity is the weakest of the fundamental forces then how come it makes the most powerful force in the universe?

Checkmate atheists.
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>>7671944
Why OP? Why did you post this?
>>
<weakest of the fundamental forces
<most powerful force

Why bother trolling if you can't even express yourself clearly?
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>>7671949
>forces

>force

>Not realizing these are two different words

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https://en.wikipedia.org/wiki/Finitism#Classical_finitism_vs._strict_finitism
https://en.wikipedia.org/wiki/Ultrafinitism
is this for real?
If it is, are these people the flat earth society of mathematics?
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Yes and yes.
Yes they are.
>>
pls respond
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>>7671841
Yes it's real.
No, but retards who can barely into math think it is.

Here is an interesting text describing a use case scenario for ultrafinitism.
ftp://pier.botik.ru/rented/logic/papers/SAZONOV/lcc.ps

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>discrete mathematics next semester
>tfw uncreative retard
How fucked am I?
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>>7671819
in general math majors are uncreative, so you're fine
>>
Just read your textbook, ask questions in class, and do lots of practice problems. It really isn't that hard, especially if it's your regular "discrete math 101" class.

It's not that different from calculus. I find it to be more intuitive, actually.
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>>7671840
Compared to calculus, how much harder or less difficult is it?

>>7671824
No man, math majors need some imagination, I am devoid of any abstract imagination whatsoever

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Is it just me or are most professors complete manchildren?
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No, but students certainly are.
Especially US students.
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In my experience yes, just because they spend so much time researching or otherwise in the academic world they don't have lives and don't mature as people
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>>7671806
Most are married and have kids. How much more can you mature if you're working in the industry? Industry and academia aren't that different...

Both require a bunch of upkeep and bureaucratic bullshit, both require justifying your worth to higher uppers, etc...

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>When you think you failed an exam but you actually got a perfect score

>when you did so well on the exam, the professor just gave you extra credit
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that never happened
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>when someone gets mad cause you're unhappy with your exam mark
>when people think anything less than a 90 is unacceptable

do people not realize if you can't pull a near perfect GPA you're just dumb?
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>>7671778
>when you think you did well on an exam but failed horribly
>when you did so poorly you brought the average down enough to raise everyone else's score

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Is there any hard reason why an immortal man couldn't eventually leave earth?

Let's say a man wakes up 15k years ago, and he is the only human on earth. He never ages past 25-35 or so. He is only immortal in the sense that he never grows old. Could he *possibly* leave the planet and continue to survive indefinitely? We haven't done this yet, so it's speculative, but I'm curious if there is any hard reason that he couldn't that anybody is aware of.
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>>7671681
Assuming he can bring with him unlimited food, water, oxygen sure.
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>>7671681
>He is only immortal in the sense that he never grows old
I'm assuming you mean he's immune to any degradation of the body or dna, so no cancer, disease, etc.
I doubt he would live a thousand years. He would die from violence. After enough time if he lived, he would probably become super political. Eventually with thousands of years of knowledge and experience he would rise to some leadership position, where people would kill him out of jealousy or tyranny.

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>>7671712
he is alone

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Are you afraid of the Technological Singularity?

Do you believe it will happen, why or why not?

I for one will not bow to our robot overlords
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>>7671651
>I for one will not bow to our robot overlords
Unless they march us into ovens, they can't be much worse than the current status quo.
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>>7671665
>march us into ovens
Why do that when they could just release a virus to kill us all? Why kill us at all when they could just retreat into a simulated utopia maintained by just a few sentries.
>>
There is no reason to think our robot overlords will behave like humans.

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>https://www.youtube.com/watch?v=8YkfEft4p-w

What is preventing us from making actual holograms?
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The physical impossibility of blocking light in mid-air with projections.
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>>7671648
With a "screen"/tank/etc or without?

With, it's expensive and there's no good way to get occlusion, so it's pretty confusing. Net result: Just not worth it.

Without, same problems as above, except with the additional complication that there's no real way to generate that kind of light field without having light be emitted from points floating in empty space, which limits all your options to "shitty" and "shitty and doesn't work,"
>>
I mean like if you have a box with a cloud of dust, and you send manipulated light at specific wavelengths and intensities so that the waves cancel each other out where the hologram is "hollow" and so that the correct specks of dust get lit with high intensity. Since with a Fourier transform of the original image you can calculate exactly what waves you need to reconstruct the image.

Here, /sci/ I've identified a problem and I want to know your thoughts. There is a lot of original research in it, though, so bare with me and ask questions as I go along if you need to.

Continued in the next post.
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>>7671594
>Continued in the next post.
Why.
>>
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That picture is ridiculous. The orthodox Jews condemn the Zionist government that is currently in place in Israel at the moment.
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>>7671594
First of all, I'll identify the roots of the problem.

Rule 110 (pictured) is an elementary cellular automaton that was conjectured by Stephen Wolfram to be Turing-complete, and later proven to be complete by his assistant Matthew Cook. In Wolfram's own classification of cellular automata, it is a Class 4 rule.
Cook showed it was able to simulate another Turing-complete program, a cyclic tag system.

Rule 110 is called such because it's rule:

[math]\begin{matrix}
111 & 110...
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Does quantum physics work on the principle that the quantum level is so small that you can't observe it without fundamentally changing it?
59 replies and 5 images submitted. Click here to view.
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Part of it does ( Heisenberg uncertainty)
Other parts are the idea that energy and angular momentum is discrete and has to be unique
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>>7671556
>Heisenberg uncertainty
no. youre confusing the uncertainty principle with the observer effect
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>>7671550
Not necessarily. The uncertainty principal says that our inability to know precisely both a particles momentum and its position has nothing to do with the type of measurement. Even a theoretical perfect measuring system that did not alter the particle at all would fail to gain the precise momentum and position.

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If I have an accelerometer and I drop it and it undergoes freefall, the accelerometer will not read anything.

With that in mind, let's say I'm in outer space. I drop my accelerometer towards Earth. All of a sudden, some crazy aliens appear out of no where. They instantaneously move the Earth 90 degrees from the direction the accelerometer was travelling. Now the device turns 90 degrees to fall towards Earth at the new location.

What would the accelerometer read during this event? Would it be zero the whole time? At no point was it not under free-fall...
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>>7671532

>If I have an accelerometer and I drop it and it undergoes freefall, the accelerometer will not read anything.
uhmm, what about gravity?
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>>7671540
This, what a retard
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>>7671532
Well the aliens would be doing some serious warping of spacetime by definition so it doesn't seem that counterintuitive.

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Suppose there are 3 doors. Two of them have goats behind them and the 3rd has a luxury car. You can pick a door at random. The host will then (always) open one of the doors you didn't pick. The door he picks must have a goat behind it (he cannot choose a door with the luxury car to open). With 2 doors now left closed (one with a goat, one with a car) you now have the option to switch doors or to stay with the door you originally chose. Should you switch doors?

The answer is you should. Going back to the original 3 doors, if your strategy is to switch, then 2 of the...
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21 replies and 1 images submitted. Click here to view.
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It's because the host knows the content behind the doors.
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There are n doors numbered 1, 2, ... n.

You choose one.

Monty Hall then opens every door except your chosen door and one other and all opened doors had a goat behind them.

You now have the option of switching to the other unopened door.

The probability of your original choice being the winner is 1/n.
The probability of winning if you switch is (n-1)/n.
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>>7671522

Right, the host will never open the door that has the goat behind it so that increases the odds that the door the host didn't pick has the goat behind it.

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Everyone tends to talk shit on Biology as the worst of the STEM majors.
Is it actually better to just go be an RN with a BSN and become a Physician's assistant from there?
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People tend to look down on Biology because it won't bring inmediate joy or progress from it's investigations, ecologists are the ones that suffer this more than molecular branches, because they're seen as insufferable hippies. At least that's what I've seen and experienced.
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>>7671503
Personally I think field biologists have the coolest STEM jobs.

Also a biologist cracked the genome project in the end.

I have a lot of respect for quality researchers in the field.

Problem is that undergrad biology is seen as the easy STEM major so a lot of kids with no aptitude for science take it. Not to mention premeds.

Seriously according to that SA study there's something like 17 (seventeen) biology undergrads for every one Physics or ChemE undergrad.

It's ridiculous,...
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>>7671529
So it's a case of some sort of elitism is a way?
Meaning, that because it's the most common it's perceived as the easiest? Even though it seems like it actually IS the easiest.
But more to my second question, what does /sci/ think of PA's and RN's? From what I've seen it's still a decent amount of work, albeit a little more hands-on.

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