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/sci/ Science & Math

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Most viewed threads in this category

0 more posts in this thread. [Missing image file: Legacysubstation.jpg]
EE major that has an interview with a power company for a substation engineering internship this week. I applied for the summer internship and they responded by giving me some manager of substation engineering. So what exactly does a substation engineer do? I've looked it up and I've gotten just vague descriptions, nothing really specific.

Need help with job

5 more posts in this thread. [Missing image file: 1321758764103.jpg]
Sorry, this is going to be a ramble but I don't know myself what I want to hear... Hey guys. So, I'm a loser university student with no job and no money. I'm a math student, and my studies are mostly focused on real analysis. I think I might end up studying math analysis/math structures for my masters. Possibly statistics/probability theory, I don't know enough about math yet to tell, all I know is that right now I really like real analysis and so I think I'll end up studying it. I realize that there's not much specific I can do with a degree in something like functional analysis. So I'm pretty sure I have to find something that will actually make me money. I'm smart and am able to understand new concepts very quickly, and already have some experience with programming - nothing complicated, and nothing complicated, programming was just a minor compulsory subject in my last year. I did a connect5 playing program using minimax as my main program in the first semester, and an AVL tree data structure in the second semester. How do I go about getting experience, getting recognizable achievements that will allow me to get a well payed job? Should I start trying to find a good open source project I could work on? Should I make a web page? Is there anything where math analysis can be applied? What options do I have with probability theory? I wouldn't want to end up with some boring repetitive job, I want to know how I can find a job, where I'll be able to advance and get to a good position. Any good advice/ideas?

Calc 1

15 more posts in this thread. [Missing image file: image.jpg]
Plz halp, no.13 can't see why answer is 25/3 ft/s. I am eternally grateful

Arrow pushing

14 more posts in this thread. [Missing image file: epush-1{00}.gif]
So my organic chem professor's primary teaching method is using arrow pushing mechanisms to try to show how things fundamentally work. However, I am really not seeing how this is helping, it seems like just memorizations of long lists of intermediates and electrons, and more than one other student has said that the arrow pushing is basically useless in terms of actually learning anything of value. Am I completely missing something here, or is arrow pushing better for mostly showing your work, and not meant to be a teaching method in and of itself?
36 more posts in this thread. [Missing image file: great_attractor_cover.jpg]
>The great attractor is the center of the universe where Big Bang happened >It's nothing but a fuckhuge black hole contineously increasing in size due to the anti matter it contains

cantor's diagonal?

26 more posts in this thread. [Missing image file: cantor_diagonal.jpg]
> invocation any math genius willing to enlighten me? cause this simply seems wrong > dissertation cantor's diagonal is a proof that some infinities are bigger than others; saying that: for any countable infinite set of decimals (as paired to integers) it is possible to construct a number not on the set (i.e. index: infinity+1). the conclusion here is that there are countable sets (which can be aligned with integers) and uncountable sets (which contain something more) > disputation it seems to me that this would be wrong. cantor just took a shortcut and created his set out of numbers with infinitely many digits. > if this assumption is wrong and sets have a finite number of digits the set would seem finite? i would guess that numbers with infinitely many digits are a subset of infinity.. than the same method would apply to integers (or rather, any *countable* infinite set) meaning that both infinities are the same size > or rather that integer set is at least as uncountable as the decimal one > conclusion I've run into this several times now and this is always the very first thought.. can anyone disillusion me.. cause I cannot possibly be right.. the proof stands for over a century. > someone would have noticed by now.
14 more posts in this thread. [Missing image file: anymathhelp.png]
can anyone see what I did wrong. One part is wrong
3 more posts in this thread. [Missing image file: gang-democracy.jpg]
Seen recently on /pol/: > It is only recently that "free market" has been wildly misinterpreted by non-economists to mean "unfettered" or "laissez faire." Markets are something like surjective functions which map property rights and prior distributions to other distributions. The fundamental theorems of welfare economics ensure us that such a function has at least one fixed point and that a fixed point will be found regardless of the starting distribution (though it may not be the same fixed point, if multiple exist). Is this a good way to look at it?
14 more posts in this thread. [Missing image file: fibonaccispiral.jpg]
Nobody can solve: 8a(squared)+22a-21=0
1 more posts in this thread. [Missing image file: 26994-radioactive-periodic-table.jpg]
/sci/ help me out, i just had to reformat my computer and i lost all my /sci/ related bookmarks, in particular there was a site that was a search engine for tons and tons of scientific articles, i could basically find anything and i was using it quite frequently, but alas, i have lost it. please post your best resources for textbooks, scientific articles, and things of that nature.
0 more posts in this thread. [Missing image file: Jucken - Kopie.jpg]
Hey guys! I need some medical help. My girlfriends hands and feet itch frequently. It's not any kind of bacteria so I'm assuming that it must have something to do with hormones of some sort. We gathered data over 6,5 months now and I made this diagram. Day 1 marks the first day after period in a cycle. Blue - probability that it itches on that day Red - Intensity of itching if it itched Green - Red*Blue Please look at the trend of the line if you know a certain blood-value/hormone, which looks close to this. Thank you!
11 more posts in this thread. [Missing image file: dv738035.jpg]
Hey, /sci/. I’m still in the process of choosing a major, and it’s stressing me out. I like working with computers, so I’ve been considering a degree in computer science/engineering (I still don’t understand the difference). That said, I also like to build/design stuff. I like working with tools. So, I’ve also been thinking about pursuing a degree in mechanical and/or electrical engineering. I know electrical engineers do at least *some* programming, and that might work for me. I’m just worried about limiting myself to any particular field, only to find that it’s not for me. Can anyone who’s been there offer any advice? I’d appreciate it.
0 more posts in this thread. [Missing image file: 1356559344870.jpg]
I have to speak about Emden-Fowler equation tomorrow. I kind of get the idea, but I cannot grasp it enough to explain it to others. Can someone help me with this? Or at least give me some materials that is about Emden-Fowler type equations and how they are used. Only things that I can find are solutions and well, I really don't care about them now.
25 more posts in this thread. [Missing image file: 1361899302189.gif]
If I wanted to become an expert at designing weaponry and defense systems (drones, missiles...), what do you think are the fields of science and engineering required? Obviously, physics and chemistry, but furthermore? Keep in mind I'm not looking at a "broad" or "specialized" knowledge: I want to be able to participate in the design of everything, from the aerodynamics to the propulsion systems or the materials used.
2 more posts in this thread. [Missing image file: 515BXB212ML._SX240_.jpg]
Can someone recommend me a good book on signals? Picture (Signal Processing First) is what is used in class, and it's okay, but I want some other books.
4 more posts in this thread. [Missing image file: 4743532.jpg]
Subliminal indeterminant ectoplasmic jurrasic centipede box wiggler, making a subversive 3rd D diagnol basket weaving so that the integrated coffee chasm narrates the dips wrangling device to be engulfing the whole of the coffee grains post fitting Mah encryptions are undecipherable, but you may enjoy a task of relighting them
1 more posts in this thread. [Missing image file: 1354433468195.gif]
quick question /sci/. Say I have a wind turbine with three rotor blades (just going to consider these to be "thin rods"), how would I find the mass moment of inertia about the axis of rotation? I'm fairly sure that I have to use the parallel axis theorem, but how do I use it to take into account three rods? Would I just multiply the inertia of the rods by 3?

Argand diagram

27 more posts in this thread. [Missing image file: tumblr_m6cuexGLDl1rq0qkjo1_500.png]
On an Argand diagram, can any complex number with modulus 1 be represent as a quotient of a number and its conjugate
14 more posts in this thread. [Missing image file: technology.jpg]
How will technology change in the next 100 years?

Dawkins is turning into Hannibal Lecter

10 more posts in this thread. [Missing image file: 1365418181381.jpg]
https://twitter.com/RichardDawkins/status/321207849852231680 >Your 200 million greats grandmother would have been classified as a fish and might have gone well with Sauce Tartare and a dry white wine. Dawkins is giving serious thought to eating your relative with some Fava beans and a dry white wine.






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