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/sci/ Science & Math

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Most viewed threads in this category

12 more posts in this thread. [Missing image file: 128641024.png]
How do you write out the sequence 1, 2, 8, 64 ,1024, ... as a function? I couldn't figure it out with my minimal knowledge of mathematics. I got as far as 2*(2^x) for the '2, 4, 8, 16' but that doesn't really get me anywhere.
312 more posts in this thread. [Missing image file: bustamante.jpg]
Answering physics questions!
16 more posts in this thread. [Missing image file: AFP_Getty-524509849-760x492.jpg]
Anyone with a medical background capable of telling me what kind of injuries the man in the foreground has sustained just by the photo? Thanks in advance heir doctors.
18 more posts in this thread. [Missing image file: Mensa-Entrance-Requirements7.png]
People like to say that IQ tests only measure your ability to take IQ tests. This implies that it's possible to significantly raise one's score by training and taking lots of practice tests, but nothing in the literature suggests this. It's actually the opposite, IQ is remarkably stable once you reach a certain age (adolescence / young adulthood). So how do you explain this?
10 more posts in this thread. [Missing image file: 1383984880916.jpg]
Hey /sci/, I know that many of you hate people that obsess over IQ, and many of you are those people, but being here has left me self-conscious about mine. I have an IQ of 131 and am planning on studying genetics when I get to university. It may also be worth noting that biology is a subject I can quite easily grasp, but I don't know much at all about the difficulty of University level work. Any information/experiences would be appreciated. >Pic unrelated
26 more posts in this thread. [Missing image file: 1384906551744.jpg]
is it possible to have a high IQ and still be bad at math (academically)?

Dressing like a Mathematician

75 more posts in this thread. [Missing image file: david-hilbert.jpg]
Just got accepted into Grad school for Mathematics. How do you dress like a mathematician?

string theory question

7 more posts in this thread. [Missing image file: pic2.gif]
What is the physical meaning of D-branes? I understood they are needed for Dirichlet boundary conditions of the world sheet. But how do they arise physically and how are their dimensions determined physically? What are the experimental consequences of the model? And are there other possible branes for other possible boundary conditions? pic chosen at random, probably unrelated
23 more posts in this thread. [Missing image file: zataomm.jpg]
what does /sci/ think about this book? i read through it once and it was pretty good. i might go back over it and try and analyse some of the stuff its saying.
59 more posts in this thread. [Missing image file: quantum.jpg]
So what the fuck is quantum mechanics?
3 more posts in this thread. [Missing image file: spinning_bh_chandra[1].jpg]
What would happen if say there was a super massive black hole that was spinning so fast it warped it shape into a disc, and was so large the the outer region of the disc span faster than the speed of light? Or rather what happens to that outer region when the speed increases so it reaches that point? Matter could not break away from the black hole by definition.
3 more posts in this thread. [Missing image file: article-2362486-1ACA2A10000005DC-97(...).jpg]
What is this kid's IQ? Is it higher than yours? http://www.bbc.co.uk/news/magazine-24931542

Textbook Preference

9 more posts in this thread. [Missing image file: hjk.jpg]
Hey /sci/, Quick question. Which would you say is a better textbook. Stewart's Early Transcendentals or Rowgaskis Early Transcendentals? I am a Nuclear engineering major and would like to thorough review math up to linear algebra and differential equations. I would prefer one which has more applications. Thank you.
2 more posts in this thread. [Missing image file: 1349295427553.jpg]
>have big undergrad project next term >started looking in to it today for 4 hours >have meeting with adviser tomorrow Holy shit looking at papers is even more of a time black hole than 4chan. I still don't really know where to begin on my topic. How do you even get started on research? Almost everyone who writes papers is a twat that doesn't say what their numbers are. It's always just, "We got our numbers from this other paper lol."
9 more posts in this thread. [Missing image file: chris langan.png]
now first of all my iq is too high for you so let me make it "simple". I finally figured out how reality works thanks to chris langan except i modified his theory to make it more logically presice. The first problem with his theory was that he forgot to talk about how why UBT was there to begin with and basically it's bc my IQ was so high i went back in time to make it (retrocausation is real btw that's another topic tho) Now first of all you may think "lol he's crazy he's schizo wtf he thinks he created reality by going back in time?" Let me explain. Frist of all I didn't say i created reality i basically created "unreality" by thinking about it . It's just that unreality was what allowed reality to get create in teh first place I was smart enuf to do it but also really lucky cause there are a few others smart enuf to have done it. Now how do I know i did it? Simple. Remember retro-causation? Let's go back there for a minute. See? BOOM we just caused that event to happen by DEFINING it in real time. We can talk about past events and give them MEANING with the stuff we say or think now. You caused it to bc pauli exclusion john wheeler participant theorem. but i mostly caused it. Now second, when I had the thought that 'unreality preceded reality" my mind had an implicit definition of at least some traits reality would have to follow and in the mental matrix there are only two categories and by thinking of the first it automotically shot into the second thus creating it. Moreover, god told me that "well done u did it now read up on chris langan to make his theory much better he is on the right track but heeds a super genius to help him. that's where you come in" So I got there and God was mad at me for not doing it sooner and let my horse got away before slamming me onto my chest. but enuf about me, this is REAlity we talking about. So we all know how in math you need to consider two levels of proof, the obejct language and the mata language.
0 more posts in this thread. [Missing image file: 1371049010247.gif]
>http://science.discovery.com/tv-shows/futurescape/videos/computer-chips-in-your-brain.htm#mkcpgn=fbsci1
7 more posts in this thread. [Missing image file: 1.jpg]
why isnt the sky illuminated at night by stars?
7 more posts in this thread. [Missing image file: 1356116056508.png]
Does getting a maths degree make you a problem solving number god who could easily do physics, chemistry (not the stamp collecting parts) or engineering? Or does it just let you know a tonne of random shit about maths? In the same way that I feel barely any intellectual development from my engineering degree, I just know some more random shit
10 more posts in this thread. [Missing image file: spect.jpg]
Should I?
6 more posts in this thread. [Missing image file: Wat.jpg]
http://www.ncbi.nlm.nih.gov/pubmed/16971751 >After 60 minutes of administration, GABA significantly increases alpha waves and decreases beta waves compared to water or L-theanine. How is this even possible when GABA doesn't cross the blood brain barrier? Median eminence can control alpha waves?






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