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/sci/ Science & Math

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Most viewed threads in this category

42 more posts in this thread. [Missing image file: Midterms.jpg]
Exactly how much harder does Engineering get after Statics and Linear Algebra?
15 more posts in this thread. [Missing image file: love-and-other-drugs-poster-uk.jpg]
Can anyone explain HOW tanning makes a person look more muscular? /fit/ sure as hell couldn't. I haven't really been able to find an answer to this anywhere. Usually, it's just a bunch of imbiciles saying "yeah, it does make you look better" or it "looks healthier.
3 more posts in this thread. [Missing image file: 1306486491726.jpg]
A mixture of carbon and sulfur has a mass of 9.0 g. Complete combustion with excess O2 gives 25.4g of a mixture of CO2 and SO2 Find the mass of sulfur in the original mixture.
17 more posts in this thread. [Missing image file: lanaw.gif]
Can post-op transsexuals/transgendered people have orgasms?
0 more posts in this thread. [Missing image file: redspider5.jpg]
9 more posts in this thread. [Missing image file: Pokemon.jpg]
Hey /sci/, I am taking my PSAT's tomorrow. Really want to score well on this test. I would love to hear peoples scores, techniques, and study habits. Pic unrelated to this board and this post.
29 more posts in this thread. [Missing image file: 1344725519771.gif]
>bored >don't want to write lab reports anymore >don't want to study organometallics anymore >don't want to stop thinking about science /sci/ - ask me chemistry questions so that I may learn/teach
5 more posts in this thread. [Missing image file: Uss_iowa_bb-61_pr.jpg]
Where can I buy chloroform and methylphosphonyl difluoride online? Not looking to do anything illegal, just curious. pic unrelated
2 more posts in this thread. [Missing image file: 1348783228096.jpg]
I suck at factoring. I'm not dumb, in fact I'm rather intelligent, but whenever it comes to factoring in math I look at the problem and forget all the different ways to factor. help please /sci/ :(?
3 more posts in this thread. [Missing image file: RageFace.jpg]
>lab reports
0 more posts in this thread. [Missing image file: image.jpg]
Does anyone have Haggarty's Fundamentals of Mathematical Analysis in PDF or something? Or something similar?
13 more posts in this thread. [Missing image file: space_plane_eads01.jpg]
Why don't we just fly planes into space as space tourism? I know that we can not fly them to other planets because they will run out of fuel, but why not just up into the atmosphere? Could somebody explain this to me? Is the government stupid or something? why have they not thought of this before, is there something that I am missing?

Medicine or Engineering in Mexico

5 more posts in this thread. [Missing image file: APERTURE_SCIENCE_by_Aperture_Science.jpg]
Since I middle school I wanted to be a mechanical engineer but somewhere along the line I decided to try for neurosurgery. Now that I'm in college (Mexico) I'm kicking ass in all my calculus and physics courses and reconsidering engineering. Though what I'm most concerned about is the employment rate and salary. Don't know anything about the Mexican economy and none of my professors seem to know either. I know petroleum engineering is huge here but I'm looking for something mor math-phys related. Most interested in what pays more and if I have to go pass monopolies in medicine, Keep hearing alot of "oh he only got in because he had connections to vouch for him... etc.
64 more posts in this thread. [Missing image file: Albert_Einstein_1948_Karsh.jpg]
What is stopping us from taking , say a kilogram of iron and converting it to energy ( 3x10^16 J) and using that massive amount of energy to power our homes and stuff?
13 more posts in this thread. [Missing image file: difficult geometry problem.png]
help pl0x

Confessions of a Particle Physicist

7 more posts in this thread. [Missing image file: Lies.gif]
I must admit something. My name is Dr. Richard T. Bale, and I hate every single one of you. I'm a practiced particle physicist for the last 32 years; graduated with honors from Duke in my early 20s, then having gained my Ph.D in physics from Edinburgh shortly thereafter. I was soon picked up by company to remain unnamed for various projects, including the search for the Higgs Boson, which had lead me to a short employement at CERN within these last few years. ...we make it all up... Not a damned night goes by in how I wonder that we've come to far by such an asinine and preposterous understanding of science. There are times I compare my practice to that of spinning a bottle at some 14-year-old girl's birthday, regarding how we choose our fundamental deductions. Frankly, I haven't the slightly inkling how we've not yet blown ourselves up save for some unfortunate people in Japan, for whom we are wholly responsible in crimes against humanity. We're ignorant children playing with a lighter, enamored by the flame in a tribal-like delusion of strength and power, and one of these days we're going to burn down our homes, lands, and very existance from this little blue ball we call Earth. I've retired early in disgust with these so-called "sciences", and pray those aspiring in the same field do not lower themselves to be clowns in this circus of lies and arrogance. This old codger is through with the parade, and done wearing masks.
5 more posts in this thread. [Missing image file: 1349978955045a.png]
What is P_v when used in the context of laser dynamics?
24 more posts in this thread. [Missing image file: 1347161564949.jpg]
Has anyone here ever had real trouble with a college class before? I'm struggling with Chem103 currently and can't seem to catch up. I got a D+ on the first exam of the semester and have pretty much failed all the mini quizzes my TA gives me. I study the material and do all the homework but for some reason when it comes time to take a test I can't figure things out anymore. I'm considering hiring a tutor but I don't know if that's necessary yet.
1 more posts in this thread. [Missing image file: 1313759162877.jpg]
Hey /sci/ a friend of mine who is not good at math signed up for statistics honors. I have no idea what they were thinking, but here's a problem they can't figure out. I've never taken stat so if you know of any resources on how to solve this or send me on my way to solving it, or if you could just explain what needs to be done, or if you know of example problems that,d be great. Ideally though I'd rather not bother putting much time into helping them, but they're a good friend of mine. TLDR: i need some resources so i can teach my friend how to solve this or if you guys want, take a crack at it. Neuroblastoma, a rare form of malignant tumor, occurs in 11 children in a million so its probability is 0.000011. Four cases of neuroblastoma occurred in Oak Park, Illinois, which had 12,429 children a_ Assuming that neuroblastoma occurs as usual, find the mean and standard deviation of cases in groups of 12,429 children. b_ Find the probability of that the number of neuroblastoma cases in a group of 12,429 children is 0 or 1. c_ Does the cluster of four cases in Oak Park, Illinois, appear to be attributable to random chance? Why or Why not? I'll delete the thread as soon as i get what I need.


1 more posts in this thread. [Missing image file: Capture.jpg]
halp pls

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