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/sci/ Science & Math

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Most viewed threads in this category

Orgasms While on Amphetamines

30 more posts in this thread. [Missing image file: 1282005351907.png]
/sci/ I had an experience a little bit ago, and I want to know the biology behind it. Why do you cum like a .50 rifle discharged when you masturbate on methamphetamine or adderall? Literally, it's so intense my vision went semi black. My cock was so hard it hurt. My PC muscles were spasming so hard i thought i ripped something. I had 10x as much semen too. Like my entire prostate drained out of my dick. I've never felt anything better in my life, not even snorting oxycontin. This is how it went basically. >smoking meth for the first time, usually snort it >dat rush.jpg >take massive hit, cock spontaneously gets hard for some reason >higher than I've ever been >suddenly, incredibly horny >quickly go to computer and find close-up porn so i can see penetration and imagine my cock going into a raw cunt >3 hours later about to cum with 40 tabs open >OH SWEET JESUS IM CUMMING FUUUUUUUUUUUUUCCCCCCCCCCK >actually make a loud noise I can't control and i start shaking and I accidently knock a glass off my desk and it hits the floor and breaks. >feeling too good to give a shit, massive load shot onto my neck and chair >mom opens door as I lay there covered in cum with porn on the screen and meth pipe on desk as my cock is still twitching >I have one week to find a place to live and then im kicked out
11 more posts in this thread. [Missing image file: 1323705903657.jpg]
Can wood fires melt steel? I'm in this argument and people are thinking wood fires can melt steel.
7 more posts in this thread. [Missing image file: ebooks_250x2511[1].jpg]
http://gen.lib.ru.ec is down! Not accessible by the use of any proxy. So where do I get my ebooks now from?
14 more posts in this thread. [Missing image file: 1350147876267.png]
e^(i2pi)=1 e^o=1 e^0=e^(i2pi) ln(e^0)=ln(e^(i2pi) 0=i2pi what did I do wrong?

X-component of magnetic force.

1 more posts in this thread. [Missing image file: LONCAPA.gif]
Anyone able to help me with this problem? The four wires that lie at the corners of a square of side a = 5.30cm are carrying equal currents i=1.00A into (+) or out of (-) the page, as shown in the picture. Calculate the x-component of the force on a 1.0-cm long piece of the lower right hand wire, due to the other three wires. I~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~I I think I'm just not doing the right hand rule correctly. Assume up is north and right is east. B-field from topleft (TL) on bottom right(BR) is pointing north east. B from bottom left (BL) is pointing north. B from top right (TR) is pointing west. So the force from TL points north west. Force from BL points west. Force from TR points south. B(wire) = ( u(0)* I )/( 2*pi*r ) F = I * L X B so I wind up with Fx = I * L *( u(0)* I )/( 2*pi*a ) + I * L *( u(0)* I )/( 2*pi*(sqrt(a^2 + a^2))*cos(45deg)
20 more posts in this thread. [Missing image file: 1338897445933.jpg]
So, I've got the polynomial f(x) = 3x³ + 2x² - 19x + 16 How to get the roots ? I know about polynomial divison, but how to get the first ?
18 more posts in this thread. [Missing image file: IMG-20121024-00247.jpg]
Just made my first robot /sci/ (its 4am here and I've finally finished). $100+ of parts and 6 hours and no idea what to do with it. Help me figure out a name for this little retard.
1 more posts in this thread. [Missing image file: `3455.jpg]
1s22s22p63s23p63d5 is apparently the electron configuration of an Fe+3 ion. I thought 4s filled up before 3d, so wouldn't it be 1s22s22p63s23p64s23d3?
3 more posts in this thread. [Missing image file: 1350342978905.gif]
Will someone here help me synthesis some "stuff" Pic related
9 more posts in this thread. [Missing image file: Math.jpg]
What's the point of higher level math? Do people pursue number theory and such in higher education because it's fun? Or is it assumed that higher more complex models of physics will acquire higher more complex mathematical theories? Because right now it kind of seems like calculus and basic algebra is all that is needed for physics and really anything practical. For instance, in my differential equations and linear algebra class, i loved differential equations, but in linear algebra we had dimensions. And we had 2d, 3d, which you can picture, but then we had sets of matrix which were filled with various equations. Obviously completely incomprehensible to the human mind. And, upon asking my professor what these were for, she said they were basically used only to prove other theorems - which of themselves were of no use than to prove more theorems. What's the point?
4 more posts in this thread. [Missing image file: 1heZ.png]
please do my homework
1 more posts in this thread. [Missing image file: 1344877152617.jpg]
What are some good studies that discuss white privilege apparent in the physical sciences??
66 more posts in this thread. [Missing image file: Slide1.jpg]
ITT science and maths jokes sciencey/mathsy pick up lines also appreciated getting an obvious one out of the way >a neutron walks into a bar and orders a drink, he asks how much that will cost and the barman says "for you no charge"
0 more posts in this thread. [Missing image file: EASY.png]
I think my girlfriend may be legally retarded. She told me she was having problems with 10th-grade chemistry and wanted me to explain this shit to her. I tried it the "normal" way, i.e. how you learn it in class. She didn't get it. Okay, that's fine. I understand that some people need to be able to visualize these kind of things in order to understand. So I went ahead and fucking made a puzzle with her, like in pic related. I cut out pieces with 1-3 notches / bits that would fi in the notches, according to their oxidation state. I explained to her that (anorganic) acids always consist of n H+ ions and "a half salt molecule" with an oxidation state of (-n), while (anorganic) bases consist of n OH- ions and "a half salt molecule" with an oxidation state of n (in simpler terms, of course). I then explained to her that mixing an acid and a base would result in the base's OH- ions and the acid's H+ ions forming H2O (water) molecules while the rest of the ions would form a salt. All that I visualized by acting out the according actions with my puzzle pieces. And she didn't fucking get it. What's so hard about understanding TAKE AB AND XY SPLIT UP, YOU GET A+, B-, X+, Y- + AND - COMBINE AGAIN GET AY, XB
18 more posts in this thread. [Missing image file: work for sci.png]
lest see /sci/ working. easy task, by the way there is writing mistakes on the picture, too lazy to fix them, read the directions and give your best answer. if you have any question, ask. i will not give the answer to the problem. start !
36 more posts in this thread. [Missing image file: chemical-eng-lab-412x264.jpg]
How much harder is chemical engineering compared to chemistry? I'm almost done with my chemistry BA but with the lack of jobs, I'm transferring to a chemical eng. program. I have 0 work ethics and rely entirely on Focalin to get shit done. The tolerance issue is lurking beneath the surface. I didn't consider engineering until I got diagnosed with ADD and given a prescription this year. I noticed some courses like Transport Phenomena, Heat Transfer, Reactor Design, etc. that's not included in the chemistry curriculum. How tough are they? I thought physics 2 was a lot harder than organic chemistry, which was pretty easy.
1 more posts in this thread. [Missing image file: mathchat_whatismath.gif]
Can you help these people out please: >>>/b/432570790
2 more posts in this thread. [Missing image file: articular-cartilage-diagram[1].jpg]
What are the mechanical properties of cartilage? How do synovial joints lubricate the joints to reduce friction and wear? I cant seem to find any mechanical or material values for cartilage - i need to find a material that can simulate cartilage and synovial fluid.
4 more posts in this thread. [Missing image file: Calcdude.gif]
Were any of you guys really awful at math once? I've been struggling with it since coming out of my mother. When I see numbers, I just phase out. I do have ADHD, but I just absorb chemistry like a sponge so I don't think it's that. It makes me sad because I want to major in biochemistry.
1 more posts in this thread. [Missing image file: 1350945780172.jpg]
Bbw thread

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