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/sci/ Science & Math

Threads added between 2014/01/08 and 2014/01/15

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Most viewed threads in this category

11 more posts in this thread. [Missing image file: 137580941147.png]
Why does linear algebra make no god damn sense? im taking it along side calc 2 and phys (EM) which seem to be piss easy but this linear algebra shit i just dont understand WHY
5 more posts in this thread. [Missing image file: numbers-0-9[1].jpg]
Hi /sci/ I have some number sequences that I can't figure out. Maybe you can help. A) 135, 791, ?, 151 B) 138, 257, ?, 132 C) 24, 16, 25, 66, ?, 36

Ontology for efficient autodidactism

0 more posts in this thread. [Missing image file: 258105_orig.jpg]
Which fields of IT and computer science and independent of one another?
8 more posts in this thread. [Missing image file: provemewrongfaggot.png]
>it must be true, because, if it was not true, no one would have the imagination to invent it Can you invent a better looking number theory equation?
10 more posts in this thread. [Missing image file: Nonsymmetric_velocity_tim(...).gif]
For those who are super rich that want to look young why don't they just spend time on a space shuttle and away from earth so due to time dilation they will age less and look younger? It's more natural than Botox right?
3 more posts in this thread. [Missing image file: 1000px-Cuticula.svg.png]
You hear all the time that spider silk is stronger than steel for it's thickness. But I want to know how strong the chitin that makes up arthropod's exoskeletons is. Are there any studies into this? Google gave me nothing.
116 more posts in this thread. [Missing image file: csmajor.jpg]
If you're thinking about majoring in CS, don't. Major in something like construction management instead. Requires the same kind of analytical problem-solving skills, but with a lot less NIPNONG and outsourcing.

Ritalin

1 more posts in this thread. [Missing image file: Ritalin_Methylphenidat.jpg]
Hey. I just started on ritalin again. Havent been on them for 5 years since i finished high school. However im studying now and need all the concentration i can get. I got regulair Ritalin tablets. However my friend mentioned that i should get depot/retard tablets instead since they are much better. Cant seem to find much info on the net, is there any medical-fag here that could please clarify for me the pros and cons? Sorry if post is in wrong section.
12 more posts in this thread. [Missing image file: 250.jpg]
Do we have scientific evidence that mathematics exists? I hear from people that the universe is governed by mathematics and this expression doesn't seem right. It almost sounds as if the universe came up with mathematics.

Why does this happen to me?

0 more posts in this thread. [Missing image file: image.jpg]
Damn. I just had a moment of clarity about what I believed to be the universe but now that I have gone to type it in /sci/ i have forgotten it. Fuck.
1 more posts in this thread. [Missing image file: 11076637544_3e1fa39fed.jpg]
How does the reverse pyramid boarding strategy for airlines work?
4 more posts in this thread. [Missing image file: 1533895_10203002081832560(...).jpg]
If You're so smart, why can't You name this bird?
11 more posts in this thread. [Missing image file: Embers_01.jpg]
What's the chemical difference between burning with a flame and just smouldering?

Characterizing Human Movement with the Wii Board

2 more posts in this thread. [Missing image file: wiiboard.jpg]
Dear /sci/, I am a masters student in physics currently studying in London and I am in need of some ideas with where to take my major project. The title I have been given is "Characterizing The Human Transfer Function With The Wii Balance Board". The Wii board/Wiimotes/etc. are hooked up via bluetooth to my laptop using some linux specific python libraries. ANYWAY... The project is extremely vague and has to justify 200-400 hours work or so. My supervisor said he is there to provide some guidance and the such but not to tell me what to do. tldr: Ideas for where I can take this?
4 more posts in this thread. [Missing image file: 1817927399_1385431416.gif]
Alright, smartasses, Explain breathing and photosynthesis.
10 more posts in this thread. [Missing image file: RICES.jpg]
Quick question /sci/ When you get a sports injury, medical personal say RICEs Isn't RICES detrimental? The human body naturally repairs itself by increasing blood flow. By Icing and compressing and elevating, your reducing blood flow. Isn't that detrimental?
5 more posts in this thread. [Missing image file: McGonagall.jpg]
what's a formal and basic introduction to ODEs? something that only assumes knowledge of single variable calculus and linear algebra and it's formal

The Existence of Whiteholes

22 more posts in this thread. [Missing image file: 3d1a43c1-0c12-43de-96e1-4(...).gif]
So I'm working on my senior research paper and unlike the rest of my classmates who chose boring and mundane topics, mine will be over the theoretical existence of Whiteholes (a blackhole's counterpart). I'd love to hear any insight /sci/ might be willing to share. This includes personal knowledge, links to books or pages, and possible Skype interviews if possible!

Special Relativity proven wrong

1 more posts in this thread. [Missing image file: borat.jpg]
In his book 'Relativity: The Special and General Theory', Einstein gives a seemingly simple and elegant derivation of the Lorentz transformation which goes as follows: he considers the 'equations of motion' of a light signal in the unprimed and primed frame (1) x-ct=0 (2) x'-ct'=0 and correspondingly for a light signal travelling along the negative x-axis: (1a) x+ct=0 (2a) x'+ct'=0 (note that Eqs.(1a) and (2a) are not written explicitly in Einstein's book (see here)). From these equations, he concludes then (3) x'-ct'= ?.(x-ct) (4) x'+ct'= ?.(x+ct) and by adding and subtracting Eqs.(3) and (4) he gets the formal Lorentz transformation (5a) x' = ax -bct (5b) ct' = act -bx where (6) a= (?+?)/2 (7) b= (?-?)/2 . Now it is obvious that the equations (1),(2) on the one hand and (1a),(2a) on the other are algebraically inconsistent unless the first set of equations is restricted to x,x'>0 in the first case and x,x'<0 in the second. So the generalized Eqs.(3) and (4) must then be restricted in the same sense in order not to violate the original constraint. But Einstein simply ignores this, and assumes that (3) and (4) hold both for positive and negative x,x' in order to be able to add and subtract the equations.
7 more posts in this thread. [Missing image file: mangone.jpg]
Is it possible to get tinnitus (ringing in the ears) from electronic hardware? For a few weeks now I've been hearing static - not ringing - and therefor wonder if it could be caused by the electronic equipment I sit next to several hours a day. It's stuff like an ordinary computer setup, a router, radio and a fluorescent light.






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