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/sci/ Science & Math

Threads added between 2013/07/10 and 2013/07/17

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Most viewed threads in this category

10 more posts in this thread. [Missing image file: dick.jpg]
I remember there being a torrent with ebooks in it about science, psychics, space and whatnot. I checked the sticky, couldnt find it back. It was sorta like the gentoomen library, but more /sci/-ish Anyone knows where I can find it? Thanks. Pic is unrelated, ofcourse.
7 more posts in this thread. [Missing image file: bat shit.jpg]
Why can't we inject endorphins into the brain? Drug use depletes it, why not refill it some how?
59 more posts in this thread. [Missing image file: 1324755944001.jpg]
>tfw brilliant math/physics students eventually go into economics/finance It's always sad to see promising minds sell their souls.
3 more posts in this thread. [Missing image file: Koala.jpg]
hey /sci/ anyone feeling charitable enough to help a collegefag with his calculus? I am failing miserably at this: Find the equation of a quartic polynomial whose graph is symmetric about the y-axis and has local maxima at (-3,0) and (3,0) and a y-intercept of -2.
1 more posts in this thread. [Missing image file: 1373674555289.jpg]
ok i need some help /sci/ i took general chemistry II before and didn't study so I ended up getting a D. I'm retaking it as an online class soon. Does anyone have any tips, resources, or tools for taking general chem 2 online (it also includes lab online)? thanks
0 more posts in this thread. [Missing image file: pluto.png]
Achewood knew.
34 more posts in this thread. [Missing image file: Notitle.png]
Is anyone good at probability??
39 more posts in this thread. [Missing image file: psi71543449.jpg]
I just got this tattooed on my left pec in black. What do you think /sci/? I'm an inorganic chemist and I want to research room temperature super-conductors. Wavefunctions are fucking awesome so I figured I'd get the symbol for a wavefunction.
84 more posts in this thread. [Missing image file: the-eye-of-silence-1943[1].jpg]
Mathematics >>>>>>>>>>>>>>>>>>> Physics >> Chemistry >>>> Biology >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Engineering So we can all agree with this list ranking the level of sophistication and cleverness each field's arguments possess , right?
27 more posts in this thread. [Missing image file: 405px-Honourable_Bertrand_Russell.jpg]
Hello, great minds of /sci/. Are the following statements logically correct? Christianity is related to Judaism, because it is derived from Judaism. Because Christianity is a derivative of Judaism, Judaism is not related to Christianity,

Nootropics

9 more posts in this thread. [Missing image file: MS_subject_science_2CR.jpg]
I am here to give a report on Nootropics after being a personal Guinea pig, simply because I said I would and several people were interested at the time. AdderRx: Made me feel paranoid, heart racing, couldn't sit still, mind racing, can't concentrate... however it was extremely effective at combating insomnia. I stayed awake for two days. And I never felt tired taking it. ADRApro: Gave a short term boost to focus, seemed like a very very mild adderall, generally I don't think the effort of remembering to take it was worth it. EXCELEROL: At first I did not notice anything, and wasn't even thinking about it but after the second day, I noticed my scores on an online game I occasionally play "Wargame Airland Battle" had improved dramatically, I was now winning almost every match, my decisions were quick, I no longer sat there in a stupor at what to do but made choices quickly and decisively. I was now playing on the highest level with the best player of the game. I noticed also that my reading comprehension was improved, I remember more of what I was reading and understood it's contents better. I decided to re-read the first half of GEB, and the material did not seem as distant as it had before, I also decide to re-read the 48 laws of power, and now the book material seemed childish to me, like the book was written for someone beneath me, where before I was impressed by it. The most dramatic effect are my dreams, I now remember my entire dream sequence from start to finish, and I have been having some highly creative dreams with some very unique and original ideas generated while dreaming. At the pace this is going it feels like I may actually dream up something useful and applicable to the real world. I may not try the rest of the Nootropics and stick with this.
5 more posts in this thread. [Missing image file: NFMnOb2.jpg]
>2013 >Computer smart as a 4-year-old >http://phys.org/news/2013-07-smart-year-old.html Does any /sci/ know in reality that anyone actually reads and trusts these news like these? I can imagine young people or those who lack scientific knowledge would trust something like that. I can't imagine what kind of mental damage would cause on them.
3 more posts in this thread. [Missing image file: milestones_en.png]
Why do most entertainment mediums depict immortality as somehow bad for the humanity? Like for example a recent movie, In Time, a guy in that film said that he's been living enough and wants to die even though he had the body of a 25 year old. Why is it such an opposed idea to extend humanity's life span into eternity?
6 more posts in this thread. [Missing image file: images.jpg]
I want all my pcs to be in the same network. There are two branches connected to the router. How do I keep the router happy as it wants to create two separate networks ?

How to be good at Math ?

2 more posts in this thread. [Missing image file: Frans_Hals_-_Portret_van_René_Descartes.jpg]
I wasn't good at math when i was young, now i want to be good at it. What do i have to read or to do so i can be good at Math.
8 more posts in this thread. [Missing image file: flowchart.jpg]
Could you conduct math just with flowcharts? Is it a viable method to learn math? Besides that flowcharts general I suppose.
11 more posts in this thread. [Missing image file: Untitled.png]
Hello /sci/, I'm studying for an exam in complex analysis and pic related is one of the tasks from last year's exam. The whole thing reads as follows: "Let f be a holomorphic function such that (pic related), where C1 is the complex unit circle in mathematically positive orientation. Determine f such that, in addition to the conditions above, f(0)=1 and f'(0)=2." I don't get it, I can see that it's basically the cauchy integral formula, but the only function I can think of that would make sense here is 1/(sqrt(pi*i))*sin^2(z), but that doesn't fulfill the last 2 conditions obviously. So how are you supposed to make those work with the rest of the task? I thought in the integral formula, f(z) had to be in the enumerator, so that would only leave multiples of sin^2(z)? Is there something I'm missing? Can we just add constants and a c*z function because the circular integral around the unit circle will evaluate to zero anyway? If so, that would make things very easy, but I'm not exactly sure that's allowed..
0 more posts in this thread. [Missing image file: image002.png]
what is the hierarchy of affect affectors?
4 more posts in this thread. [Missing image file: 53569.original[1].jpg]
>spent most of my life using a keyboard >dat feel when I can't write down three lines without either a copying error or a basic arithmetic mistake seriously, this shit is ridiculous. how do I get good at doing simple math on paper fast with no mistakes?

Physics Class presentation

1 more posts in this thread. [Missing image file: mlfw3758-1332112891827.gif]
http://www.youtube.com/watch?v=KFkoe92kii0&t=0m50s You walk into physics class and see dis hur. What do /sci/? SMH






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