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/sci/ Science & Math

Threads added between 2013/09/04 and 2013/09/11

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Most viewed threads in this category

7 more posts in this thread. [Missing image file: gview.jpg]
Hey /sci/. Does anyone know where I can download gaussview for free? Where does /sci/ get its specialist software without paying for it?
3 more posts in this thread. [Missing image file: download.gif]
A gas has a density of 5.56 g/L What volume in milliliters would 4.25 grams of this gas occupy? What would be the mass in Kilograms of 1.0m^3 of this gas?
14 more posts in this thread. [Missing image file: 1378663504842.jpg]
I'm two weeks into organic chem and I don't know what the fuck I'm doing. I'm learning about hybridization which i learned about in regular chem but i pretty much delete information from my brain after two weeks. I really have no idea where to start but if you could help me understand what "hybridization of central atom" means then i would luff u 4evr. pls help. Pic unrelated.

The future.

26 more posts in this thread. [Missing image file: 1375548659175.jpg]
So it seems we all passively assume that progress is this "thing" that will inevitably happen where technology will come roaring through to save us. But what if it doesn't? "Progress" as we understand it is a Modernist concept. People in the Modern era looked back at human progress from caveman times to now. That juxtaposed with the rapid progress of science and technology in recent centuries one could reasonably, but not objectively, assume that progress will continue. But what makes up think it will? Lets look at science fiction for a moment. Lots of science fiction makes us feel a sense of security that the future will magically bloom into a utopia with perfect medicine, a pristine environment and humanity reaching out to the stars alla Star Trek. But what do we do with ourselves if we get a more Dredd type future? The world is irradiated sterile wasteland and humanity is huddled into mega cities, basted in pollution and blight, living in giant building/cities with 90% unemployment. Crime and despair being a major defining factor of human life. What strikes me about the film is how technology and advancement have flat-lined. The only advancement made are the ones specifically reflecting society; weaponry to kill the mass influx of criminals, architecture to house and protect billions of people in small spaces and protect them from future war, resyck plants to recycle every bit of waste as a resource, even dead bodies. tl;dr I'm kinda leaning more towards a Dredd over a Star Trek future, /sci/. I'm looking at where we are going and all of the mistakes we are making. What do you think? Will science magic make it all go away or will we make a slow decline into despair and mediocrity? Pic related.
0 more posts in this thread. [Missing image file: small_succulent_plants_2558.jpg]
I want to master in plant biology and environmental science, are there any interesting readings I could have on those subjects ?
16 more posts in this thread. [Missing image file: 1r8ybzw4.wizardchan.minimum_wage_waifu.jpg]
What would happened if I just turned the entirity of my attention and spare time to learning maths? Give this example, say I'm a 20 yr old taking first year calculus, (and some other sciences for that fact). This class is so slow, that if I took all of my spare time, I could probably know up to Calc 3s before the end of the semester. Now, what if this time was extended over a longer period? By the time I'm taking grad school maths, I would have taught myself the knowledge of phd level maths, and would be able to challenge theories, have stronger thesises etc tl;dr, can you actually make yourself some kind of math jesus? ---- If you autisticly put all of your spare time into maths (Which I probably wont do since i like having sex and experiencing life), would you be able to turn out a significant result by your old age? This is given someone of a moderate deviation of intelligence (Take me for example, 125-129 verified) I'm thinking someone like Feynman,

Probability and Statistics for Scientists and Engineers

2 more posts in this thread. [Missing image file: outer-space-stars.jpg]
I've never taken stats before. It's taking me hours to get through a 6 question assignment. It has stuff like P(A|B) and P(A U B) and shit like that. It seems to be a lot like physics. You have to find the correct formula for each problem, but it takes me too long. If I stay at this pace I will not do well in the course. What should I do sci? This course is taking up half of my study time and I have 4 other courses. I have taken other 200 level math courses and I don't remember them being this time consuming.
0 more posts in this thread. [Missing image file: 1016colonel_meow.jpg]
I have an answer, but does anyone know where I would submit it? "The observer(i) exists within the field (lim(i>5)={(cos(?)*sin(?)*cos(?),sin(?)|i<?<c2, i<?<c2}=10) whereby {e[K°/t2]=(m2/c)*(m-m/c)/4}."
1 more posts in this thread. [Missing image file: challenge.png]
Any ideas?

Python programming

6 more posts in this thread. [Missing image file: 1375315312209.jpg]
Hey /sci/, I have a problem with some school work. My assigned me a work where I have to create a program (originally in c++) that calculates the age of galaxies'clusters, based on X ray emission. But, since I'm an absolute noob in computer science, I don't know how to use c++ and I figured out that I won't have time to study it. I know a little bit of python, and I d'like to ask you if there's any library to do such work. I really need some help. >tl;dr how can I elaborate an image with python, in order to base a calculation on it?
2 more posts in this thread. [Missing image file: Captura de pantalla 2013-09-11 a la(...).png]
/sci/ need your help right now
1 more posts in this thread. [Missing image file: 1359390305545.jpg]
Need some help with mathematical induction.. sum_(j=1)^(2n-1) (-1)^(j-1) *j^2 = n(2n-1) Where i actually am : 3.) n->n+1 n(2n-1)+(-1)^(2n-1) * (2n)^2 +(-1)^(2n) * (2n+1)^2 I dont know what to do now Can anyone help me out here ?
13 more posts in this thread. [Missing image file: 2.jpg]
I cant't figure out this math problem! a boat travels downstream 36 miles and then came back. Current speed is 5 mph and total trip took 3 hours. whats average speed of boat relative to current? Please help me out. It's my last problem! pic not related

poorly documented slides fml

2 more posts in this thread. [Missing image file: frodo.png]
If I flip a coin four times, is the sample space ? = {h, t} |?| = 2 or ? = {(h,t),(h,t),(h,t),(ht)} = 4
1 more posts in this thread. [Missing image file: 28.jpg]
hey /sci/ I'm a senior who is planning to study mathematics at uni, but I'm struggling with some derivation exercises, especially ones that involve co-ordinate geometry. What I will specify in is probability and combinatorics, but I guess its evident that I would rather excel at everything. Some clearing up with limit would be nice as well. Any books/sites that could help? A private teacher is my last resort. thanks in advance!
15 more posts in this thread. [Missing image file: 250px-The_sun1.jpg]
If visible light and radio waves are both electromagnetic waves then how come light doesn't go through the matter, but scatter around? Is there a border within a frequency of a wave that can come through the matter unscattered?
6 more posts in this thread. [Missing image file: feynman family.jpg]
Has there been a greater post Einstein scientist than Feynman ?

WTF

32 more posts in this thread. [Missing image file: -moon-a.jpg]
It's fucking 13:24 where i live and i can see the fucking moon in the sky. WTF is this shit. btw where i live the sun rises at 6:30
0 more posts in this thread. [Missing image file: tumblr_lpqh8w1EPy1qizvnso1_r1_500.gif]
Any Wildlife Biologists/Conservationists here? Currently looking for a good school to transfer to after I finish these General classes needed. I've taken all the English, Psychology, College Algebra, Calculus, etc classes. Currently Maintaining about a 3.5+ GPA. Curious if anyone out there is familiar with the degree and could point me in the right direction for choosing a good school.
23 more posts in this thread. [Missing image file: BrVr4bwh1XiddTZPZrZr.jpg]
Quick question: You take a ball in space and make it spin and just float there (assuming it would keep it's shape). Now, how long would it stay spinning? What forces are there slowing it down?






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