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/sci/ Science & Math

Threads added between 2013/03/13 and 2013/03/20

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Most viewed threads in this category

22 more posts in this thread. [Missing image file: 1355961706797.jpg]
Mathematician here, just took modafinil for the first time ever (1 tablet=200mg), well, by "just took" I mean about 35 minutes ago. Pulse right after eating the tablet: 74bpm Current pulse: 72bpm I masturbated just after taking the tablet, and subjectively feel like i got a stronger, longer-lasting burst of euphoria than usual after ejaculation. However, that could be the placebo effect. I am now going to review my math deck in anki (105 cards due), will report back after.
8 more posts in this thread. [Missing image file: Problem.png]
Proof that statistics is bullshit. Why is this shit even classified as mathematics? Its all subjective.
36 more posts in this thread. [Missing image file: 0003331719206_500X500.jpg]
How does TI get away with charging $120 for a graphing calculator... with 24kb of ram? itt: Someone who just lost his TI84
5 more posts in this thread. [Missing image file: constructioninging.jpg]
I kind of need some help. Is this possible /sci/? Can you find the values for the other two. The original estimate was lost due to a fire, and there were no soft copies then. So we decided to use the price per sq.mt. x area method.
2 more posts in this thread. [Missing image file: 644282_10151451549765219_39228751_n.jpg]
Anyone here knows how to answer these? y^{u}-2(y')+2y=e^{2x}(cos x-3sin x) y??+y=cos2x
33 more posts in this thread. [Missing image file: Picture 6.png]
How in the world do you determine if this converges or diverges?
31 more posts in this thread. [Missing image file: trufaxx.png]
http://www.youtube.com/watch?v=U8NNHmV3QPw >implying this isn't true
7 more posts in this thread. [Missing image file: image.jpg]
Hello /sci/, I'm in need of a little help. You see, I'm an idiot and can't manage alone, will you listen to my plight? Basically I need to know the altitude at which you would need to drop an anvil for it to fall for seven days before hitting the ground. I'm really not sure where to start. I know the anvil would have to start in space, but I know nothing about the strength of the gravitational pull of Earth outside the atmoshere.
2 more posts in this thread. [Missing image file: idiot.jpg]
Why are all these people tattooing constants, chemical formulas all over themselves nowadays? I know pic related isnt wrong but I saw a some picture of a kid who tried to tattoo adrenaline on his chest and had latin words and numbers all around and the speed of light. Well, the adrenaline was missing part of the carbon ring, and the speed of light was off by an order of magnitude. Please for the love of god, Dont be this guy. Just dont... Unless you plan to Get DNA on your back. 5'-3' and 3'-5 including the correct chemical drawing of the phophate backbone and correct purines and pyrimidines. that would be cool. Actually i coudlt find the bolztman tattoo picture so here is a picture thats related. Stupid shit like this
14 more posts in this thread. [Missing image file: 51454-best_breathalyzer.jpg]
Is it possible to beat the breathalyzer BAC test, /sci/? I know hyperventilation can reduce your apparent BAC by about 20%, but would it be possible to safely reduce the concentration of ethanol in your breath chemically? Putting oxidising agents in your mouth is generally a bad idea, so that's probably out of the question. inb4 OP is an asshole for drink driving. I don't even drive, I'm just interested.
2 more posts in this thread. [Missing image file: spacebat.jpg]
Never forget!
10 more posts in this thread. [Missing image file: big_dbe21c7367b721e3e86696627c7caa1(...).jpg]
What are some examples of preening behaviors in humans? I'm having trouble grasping the concept.
1 more posts in this thread. [Missing image file: 1343557855993.gif]
What does /sci/ think of Race Surrealism?
11 more posts in this thread. [Missing image file: 1363229448820.jpg]
So im going to college next year, texas tech specifically. I am planning on a concentration in petro engineering; however, i dont feel like i learned much in hs. What should i brush up on, and how should i go about learning it? Resources and orderof learning. Excuse phone spelling and format
4 more posts in this thread. [Missing image file: titration6.gif]
Currently writing an essay on why I should become a paid research assistant. My interests are listed as later going into geophysics, geology or petroleum engineering. It needs to be submitted to my UNI by April 12, so I just started it. But I don't know how to actually "start" it. The topic is basically how will getting into this program help me, and make a difference in my life. I also have to state different abilities and skills I have. but as far as skills go I only have coding and my fascination of science. My question is what would be the skills of someone ideal for this ? Or any other kind of help

Looping Spectrum Theory

35 more posts in this thread. [Missing image file: looping spectrum summary 1.2.jpg]
Happy Pi day folks! I've been working on this theory that combines art and science, and I think Pi is the cosmological constant. Here is a summary graphic I made.
19 more posts in this thread. [Missing image file: 1357644800490.jpg]
If you haven't already heard Science News: Mars environment was suitable for life Curiosity has discovered an ancient environment on mars which could have sustained life. recent rock samples have showed that the gale crater used to be a river bed, containing basic ingredients for life: Nitrogen, Oxygen, Phosphorus, Carbon, and Hydrogen. More importantly, the rock contained clay and calcium sulphates, which could have only formed in an environment what was pH neutral and not very salty. (very friendly to life) this one discovery will project nasas goals towards working on finding concrete signs of life in the past on mars and habitats today which could support life. http://www.nasa.gov/mission_pages/msl/news/msl20130220b.html http://www.nasa.gov/mission_pages/msl/news/msl20130209.html

Efficient Studying Techniques

23 more posts in this thread. [Missing image file: image.jpg]
I'm sure there are gentlemen here who have spent many years in a college or university.Lets ohave a thread about effective study habits. In definition and concept heavy courses such as biology or chem I would read the textbook and then write down the Important information in a bullied list. Sometimes the notes get pretty extensive but it's pretty fucking worth it when the test rolls around and you know your gonna bend it over and dry fuck it. Also the notes are excellent for future reference when that concept or idea is eluding you. So how do you study /sci/?
11 more posts in this thread. [Missing image file: 1358371977056.png]
Biological and psychological effects of over-masturbation. Please, scientists points.

IBN 5100

10 more posts in this thread. [Missing image file: Device.jpg]
Hello, I came from the year 2036 and I am in desperate need of an IBN 5100 computer. Does anyone know where to acquire this device?

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