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/sci/ Science & Math

Threads added between 2013/05/15 and 2013/05/22

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Most viewed threads in this category

3 more posts in this thread. [Missing image file: pleco.jpg]
Why did armored jawless fish died out? This Pleco right here proves that their body plan wasn't shit.
0 more posts in this thread. [Missing image file: CVA.jpg]
I don't ever come to /sci/ and i'm not sure if you guys do anatomy based health science, but i'm looking for help if anyone is willing. I'm a PTA and i'm looking for information on How the body is effected physically and cognitively after a stroke based on what part or parts of the brain are effected. going further than just "oh its a left sided stroke so you'll have right sided hemiparesis" specific sections of the brain being effected leading to specific outcomes.
3 more posts in this thread. [Missing image file: 1361326694455.jpg]
Can imagination and short masking of reality do anything for science and the discovery of new ideas and objects and how they work? I say this because the world seems hopeless and the more I think about it the more it seems incapable of change for the better.
39 more posts in this thread. [Missing image file: Untitled.jpg]
What happens when they collide and what happens after they collide ?
0 more posts in this thread. [Missing image file: 1349031448001.jpg]
What happens if you use an EMP in a lightning storm? Picture unrelated, my apologies.
10 more posts in this thread. [Missing image file: cadeuceus6.jpg]
I'm a medical student staying in college in Australia. I go out on the town usually 2 nights a week with mates. I've recently realised that my average alcohol consumption is more than 2 litres of goon (cask wine) for pre-drinking, then anywhere between 4-7 beers once I'm out. That means I drink 24-28 standard drinks per night. This seems to me to be a ridiculous amount considering than after i'm finished my pre-drinking I'm still only lightly buzzed; after all I never get denied entry or service, and I never black out or vomit from drinking. Can any of you provide reasonable insight into why I have such ridiculous tolerance and possible consequences of this? It's also getting fairly expensive. After several lectures on alcohol dependency I realised that I meet 4 out of the 7 criteria however I dispute my 'dependency' on alcohol. I don't drink unless it's a social occasion and everyone else is going out, and I only drink because I like getting fucked up and chatting up girls when i'm shit drunk. In my opinion, the 'alcohol dependency' guidelines need reformation especially in the case of young adults because of the cultural and social values of the western world. But yeah, insights? Thanks
4 more posts in this thread. [Missing image file: Inside-i-doser-i-doser-24278285-380-285.jpg]
Does I doser really work? I downloaded it and I want to know if it's legit or just placebo.
3 more posts in this thread. [Missing image file: textbook industry.jpg]
What's a good first-year general chemistry textbook with solutions for exercises? I want to prepare ahead for next fall. I know Spivak is praised here for calculus, and both the textbook and solutions are easily found on libgen. I want one that starts from the very basics like stoich, limiting reactants, reaction yields, etc., but not too dumbed down like high school level.

Infinite series

0 more posts in this thread. [Missing image file: 2013-05-17 16.22.57.jpg]
Im solving a problem in real analysis. In order to solve it, I have made this inequality: \left|\frac{\min\left\{|a_{n+1}|,|b_{n+1}|\right\}x^{n+1}}{\min\{|a_n|,|b_n|\}x^n}\right|\leq\min\left\{\left|\frac{a_{n+1}x^{n+1}}{a_nx^n}\right|,\left|\frac{b_{n+1}x^{n+1}}{b_nx^n}\right|\right\} I have tried some constants finding that it holds, but I cant prove it or even understand why taking the minimun of the constants and dividing them gives you something less than taking the minimum of the divided constants? Can anyone explain this? If it really is true, the problem is solved Second inequality on pic related. Thanks in advance.

C++ Arrays &tc

0 more posts in this thread. [Missing image file: 129232-004-C53AA1B2.jpg]
Hey /sci/, I need a bit of code that will take a string input that is multiple-words-long and copy it into a string array with each element holding one word (or more precisely, one 'unit' that is separated by spaces). For instance, the user will input >cout << \"interest is\" cout << interest << endl ; And I need to take that message into an array userAnswer [x], such that userAnswer[0] is "cout", userAnswer[1] is "<<", userAnswer[2] is " \" " Any suggestions?
4 more posts in this thread. [Missing image file: CodeCogsEqn.gif]
Hi, this is a really easy equation but I'm looking at it and just getting stuck and confused. It's a microeconomics problem looking to solve for consumers optimal levels of a and b. If you need any other information let me know but I think that's all is needed to solve.

Crowdfunding: The Naked Art of Science

18 more posts in this thread. [Missing image file: tnaoscover.gif]
The poet Keats once said that "Isaac Newton has destroyed all the poetry of the rainbow, by reducing it to the prismatic colours." To this day, many people believe wrongly that science takes out the mystery, beauty and majesty of the world by explaining how it works. This is not so. Inspired by Richard Dawkins' book Unweaving the Rainbow, and his new book The Magic of Reality, this book takes the age-old beauty of nude art and combines it with the beauty, mystery and sheer awesomeness found in the great branches of science. Photographs are carefully planned to visually represent the science fact in visual form, while a brief description of the science involved explains each picture. We're trying to include as many branches of science as possible including: Biology, Chemistry, Geology, Physics and Astronomy. Funding for this project will cover the costs of equipment rental (such as a Van De Graff Generator and a replica Hominid skull), gas for travel, incidental expenses for emergencies as well as go towards covering first-run print costs. It also will include partial table rental for its' Calgary Comic Expo 2014 release, copywrite and ISBN registery as an official book and any other conventions locally (or not) that we can afford. The book release is intended to be mid-april of 2014, with most of the shooting and planning happening over the summer and winter of 2013. Updated pictures, videos and such will occur throughout the year as progress is made.
2 more posts in this thread. [Missing image file: nye-consider-the-following.jpg]
We should not decrease greenhouse gas emissions so we can observe which climate model is correct. DO NOTHING FOR SCIENCE!
1 more posts in this thread. [Missing image file: 77149_638874329475357_1844870380_n.jpg]
How are physics as a field, /sci/?
1 more posts in this thread. [Missing image file: 76px-Wooden_hourglass_3.jpg]
Browsing /b/ and found a pic with a troll OP but someone there claimed math graduate and after finding the obvious answer of (8/3)x+13 he proceeded to find the inverse function of F(g(x)). Here is the thread; >>>/b/481451187 Did he find the inverse correctly?
2 more posts in this thread. [Missing image file: ku-xlarge.jpg]
First time poster on /sci/ Being trying to look into the one electron universe theory and cant seem to find much about it. Anybody that can inform me a bit more or anything?
1 more posts in this thread. [Missing image file: image.jpg]
I have an additional mathematics exam tomorrow, and have revised for hours but am still fucked, any help or advice?

Extremely Basic Research Proposal

1 more posts in this thread. [Missing image file: 1368521555007.jpg]
Hello /sci/ Professor wants us to write a research proposal in one night, just a hypothesis basically, but he is setting us up for failure, he said he will point out whats wrong with each of them tomorrow. If I had a week I could make a damn near perfect one, but no. He is rather arrogant too. I wanted to do something with hydroponics and hydroponic gardening on a small scale. Variables I could test include the medium in which the plant would be some-what attached to, factors affecting pH, nutrients in the water, the water itself, air being pumped into the water (as in what is in the air), etc. but I have no idea what to do that is completely original (he says if my proposal has been researched before or a similar hypothesis has been made then he will throw out my paper). So I'm stumped and need help. Pls /sci/. Gibe knowladg plos.
5 more posts in this thread. [Missing image file: teacher.jpg]
Has anyone here done a maths pgce? If so how busy were you? I am currently doing an open university degree on the side and am wondering if I will have time for both? Btw that's me in the pic. x
1 more posts in this thread. [Missing image file: carry.png]
this is how it work?






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