ITT: We post things that CANNOT be explained by modern science.
>>8930893
>>8930897
This thread is for questions that don't deserve their own thread.
Tips:
>provide context
>show partial work
>use wolframalpha.com and stackexchange.com
Previous thread: >>8920231
i don't get it. something about nice guys/friend zone?
>>8929302
She'll get "put out" by the bad boy.
Continued from last thread.
Where does the arcsin come from when you integrate sqrt(25=x^2)?
Is there an easy way to explain how to do this?
-t. calc 2 brainlet.
Science confirms it, we are Greek
http://www.telegraph.co.uk/science/2017/05/22/europe-birthplace-mankind-not-africa-scientists-find/
Sheeit
Is this legit? Is it real proof humans came from Europe or just conjecture?
Very interesting, but of course wouldn't change the well supported view that we (homo sapiens) originated in africa. So maybe this new erliest hominin immigrated to africa and then evolved into the known later species. Or it went extinct and those, including us, are not direct decendants of it at all.
https://www.topuniversities.com/university-rankings/world-university-rankings/2016
>>8925901
651-700
>tfw brainlet
>>8925901
>19
Rankings are gay and lead to shitty threads.
>>8925901
19 for masters, 14 for PhD
i am living in over-saturation
i can not invent/do nice things because of over -saturation
this is no troll. i am really facing "that" problem
what can i do?
>>8935640
Take your meds, your mother is worried about you.
>>8935642
meds? i don't have ADHD or similar. i don't get any meds prescribed
>>8935640
Common problem, thinking you're smarter than you are
Hey /sci/, I'm taking first-semester abstract algebra in the fall (2nd year math undergrad) and I'm not sure what to expect from it
Anyone have any good recommendations on (preferably) introductory reading material on it? Any adivce?
>>8935534
http://4chan-science.wikia.com/wiki/Mathematics#Group_Theory_Teaser
Also get good at linear algebra
kek algebra doesn't get hard until you take post-metaphysical algebra
that's what separates the men from the brainlets
>>8935534
You will spend a half year doing nothing but proving seemingly pointless facts about field extensions until you finally get to the result of Abel and Ruffini that you most likely already know about.
Probability of a quantum computing revolution - 100%.
Probability we create strong AI - 100%.
Probability we fix humans with genetic engineering - 100%.
Probability we keep global warming under 1.5 degrees - 100%.
Probability we achieve nuclear fusion reactors - 100%.
Probability the above happens within the next 200 years - 100%.
Probability of shitposting on /sci/: 100%
If we achieve any of the above things (with the exception of global warming) the others will be made much easier to achieve.
Probability string theory is the correct physical theory - 100%
Probability of discovering immortality - 100%
Probability that fascism is the correct political ideology - 100%
Probability that Riemann hypothesis is true - 100%
Probability the above happens within the next 200 years - 100%.
Given a random string of n digits, what's the chance you can assign a plus or minus to each of them such that they add up to 9?
Ex: 144741 -> (-1) + (-4) + 4 + 7 + 4 + (-1) = 9
>combinatorics
blegh
Here's an idea to get you started: If all digits are even, then it's easy to see that it's impossible to sum them up to 9. If all digits are odd, then it depends on the parity of n: Adding or subtracting two odd numbers always gives you an even number, so if n is even and all numbers are odd, then it's not possible to sum them up to 9. More generally, if you don't have an odd number of odd digits, then it's not possible to get 9.
Another observation is that if you have any set of digits that can be summed up to 0 in some way, then flipping the sign on any of them will always change the sum by a multiple of two (changing a -1 to a 1 will change the sum from 0 to 2, for example) so combining groups of numbers that can be summed up to two, you will never get an odd sum out of them.
>>8935004
More generally, if their sum is even, then it is not possible, so the probability is surely smaller than 0.5
So I think I'ma use MIT's guide for Lisp, what are some good resources for Lambda Calculus?
>>8934846
That looks like those pics of a hypodermic needle before use and after a few uses.
>>8934848
just the sexiness of obsidian precision
>>8934846
Why would anyone name a language lisp?
Please use my language, I would have called it dildobuttholeIlikepenis but lisp was fewer letters.
Can anybody solve this?
Make the equations valid. You can only use add "+" subtract "-" multiply "x" division "/" and parentheses "()"
YOU MUST USE ALL 4 TENS
10 10 10 10 = 1
10 10 10 10 = 2
10 10 10 10 = 3
10 10 10 10 = 4
10 10 10 10 = 5
10 10 10 10 = 6
10 10 10 10 = 7
10 10 10 10 = 8
10 10 10 10 = 9
10 10 10 10 = 10
pic not related
>>8933844
btw you can't break up the numbers either and you can't use logs.
I can get 1, 2, 3, but not 4
10/10 * 10/10 = 1
10/10 + 10/10 = 2
(10+10+10)/10 = 3
>10 10 10 10 = 4
(10 * 10) / (10 + 10) = 5
>10 10 10 10 = 6
>10 10 10 10 = 7
10 - (10 + 10)/10 = 8
>10 10 10 10 = 9
10 + (10 - 10)/10 = 10
How do i get myself interested in mechanical engineering? (my major)
i've never been much of a student despite being tested in middle school with an IQ in the 99%, the reason being i didn't grow up in a very disciplinary household, being allowed to play video games or lounge around wasting time. Now my interests lie in politics, history, literature, film, etc.
i'm in my early 20s now, and I'd like to actually commit to my major, not just pass however i can.
is there a way i can get myself into working problems, like statics or upper math? if i just keep practicing (i never do) will i eventually enjoy it?
pls help
>>8933550
>i
Thread hidden.
>>8933554
anon, pls
>>8933550
Mech student in France here, I have this problem every now and then an I would recommend just practicing your shit and you'll feel like you know how to do useful stuff and it'll help you like it more. That being said if you really have no interest in mechanics you should really think about your orientation pal.
Convince me that math is useful.
ever done online banking?
Have fun balancing your budget
>>8931703
Convince me that doubt is useful. That'd actually be interesting.
Okay, let's make a fork hypothesis of the Fermi paradox for a moment, but not just that; they're old, really old - hundreds of millions / billions of years old. It's entirely possible given the scope of the universe.
Now here's the crux of my hypothesis; I think that any type-3+ civilization that has self-preservation in mind would naturally attempt to make their homes, not inside Galaxies, but in the most remote segments of the universe; the dark and empty space between galaxies.
Galaxies are massive gravitational wells, and just being in or near one means that, relative to emptier parts of the universe, you are essentially being thrust fast-forward through time, and if the universe does indeed have an end (or at very least a heat-death), a deeply advanced civilization would want to avoid this for as long as possible.
Hence deliberately choosing to live in dark-space.
From there, not only would you have more time as a civilization, you'd get to see what's going on in all of the galaxies near you in relative slow-motion; any civilization even remotely close to rivaling you that chooses to stay inside a galaxy would suffer from relative slowdown; by being outside of these high-mass zones you'd always be ahead of anyone and anything.
Shit on my idea /sci/, I need to know if this is feasible/even makes sense.
Where would they get energy from in darkspace?
>inb4 zero-point
>>8931096
>Civilizations would make their home where there are no resources.
No, thats dumb
>Galaxies are massive gravitational wells, and just being in or near one means that, relative to emptier parts of the universe, you are essentially being thrust fast-forward through time
Ignoring the fact that this doesn't really make sense, time runs slower the further into a well you are.
>>8931140
Red/white dwarf stars surrounded by dyson spheres.
>>8931145
Living in the dark space doesn't STOP them from occasionally going in-galaxy to pickup whatever they want or need.
And yes, time runs slower, that's why it's so bad; the closer to high-mass you are, the faster you are technically travelling through time, and the slower you appear to an outside observer.
For example, a witness watching someone fall into a black hole would never actually see them pass the event horizon, because time is so severely slowed at that point, they'd appear to just 'freeze' in place after a certain closeness to the hole.
Galaxies are giant gravity wells and anyone in or near them experiences similar levels of a relative slowdown to an outside observer (someone in dark space).
How far in are you /sci/?
You've at least done up to Reimann sums, right?
>>8929607
Right up to before serious math.
I'm ok with this tho, I have a decent foundation to learn more on my own, and I'll probably never use the more serious math or even most of what I've learned in my current job.
>>8929607
>cohomology
>genius level
B R A I N L E T
R
A
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N
L
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T
Serious math, but I just finished 1st year EE so idk if I'm even going further down
Reading some other thread I see there is kind of a consensus here that physicians are brainlets? Care to elaborate /sci/
Just scapegoating desu
they are rote memorizers, not problem solvers
If doctors aren't brainlets, they why haven't they cured cancer yet?