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/sci/ Science & Math

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Most viewed threads in this category

7 more posts in this thread. [Missing image file: concussion.jpg]
Can a thrown snowball to the head induce a concussion?

spirit science

1 more posts in this thread. [Missing image file: 100PICT0007.jpg]
what does /sci/ think about spirit science?I am watching a few of there videos on YouTube and started to wonder if any of this shot could be actual science that can be studied and reviewed.

Pi VS. Tau

16 more posts in this thread. [Missing image file: piversustau.png]
Pi and Tau. Is one better then the other? Or perhaps only better in certain situations? Discuss.
17 more posts in this thread. [Missing image file: argentinianese.png]
I have a question related to /tv/. In The Dark Knight Rises, Dr Pavel is abducted from the plane, and a lookalike corpse is planted. Bane transfuses a small amount of blood from Dr Pavel, into the corpse. Would this in any way fool anyone performing a DNA test/body identification? Seems very flimsy to me.
5 more posts in this thread. [Missing image file: 1354347944744.gif]
Geometric proofs. Pros, cons, in general rundown of their usefulness and why they are so important to us mathematically and in our basis of logical thinking. My little brother has an assignment about this, and I was curious to see what kind of arguments can be made for the usage and teaching of proofs, and vice versa.
9 more posts in this thread. [Missing image file: 1335414906767.png]
Is anthropology just bullshit?

Euclid's algorithm in c++

9 more posts in this thread. [Missing image file: 1351704917461.gif]
Hey /sci/, I am trying to implement Euclid's algorithm in c++ in a recursive way. However, after I insert the numbers, the .exe wont respond anymore. I am using code blocks and Win 7 x64. Anyone got a hint for me? gifs in return. #include <cstdlib> #include <iostream> using namespace std; int euclid(int m, int n) { if(n=0) {return m;} else {return euclid(n,m%n);
} } int main() { int m,n; cin >> m; cin >> n; euclid(m,n); return 0; }
1 more posts in this thread. [Missing image file: 1294771326090.jpg]
My prof told me that you learn chemistry better if you are drunk. Is this true?
35 more posts in this thread. [Missing image file: ebe.jpg]
What's /sci/'s take on UFO's and aliens? You think a civilization at that's least 100k years more advanced than us could find us and travel to us? Note that it only took us 100 years to get to the moon. Skeptic cunts: >hurr I can replicate it with chinese lanterns therefore everything its all fake and its scientifically impossible no matter how many millions of years of scientific advancement they got Gullible cunts: >hurr it's all real! aliens are real gov't wants to hide everything therefore you skeptics are paid misinformation agents
13 more posts in this thread. [Missing image file: 917402506-mimosa_bark_extraction_04(...).jpg]
what purpose does methanol serve in natural alkaloid extraction?
4 more posts in this thread. [Missing image file: 1291963647014.jpg]
How do I work out the vapour pressure of water /sci/? I'm not a clever man but I would like to know the vapour pressure of 300ml of 5C water in 40C atmosphere. I tried looking at the wiki page but it didn't explain it simple enough for my stupid mind.

Negative harmonic frequency?

0 more posts in this thread. [Missing image file: 200976234336380.jpg]
I went to an electronics sale with the Amateur Radio Club, and I got a bunch of 2n706 transistors. They're small, metal can, and can handle pretty high frequencies. I found this circuit (see the picture) that I was going to turn into a small radio jammer. The schematic calls for an exactly 8MHz crystal, but I only have a 16MHz one. I know that it's usually possible to use a crystal at half the frequency, and the second harmonic will make it resonate, but will it work if I use half the harmonic? I know I'll get 16MHz at the output, along with harmonics 32MHz and up, but will I get subharmonics? >>Td;lr: If I use a resonant circuit in a crystal controlled transmitter, will I get half of the harmonic (0.5f) in the output, instead of 2f, 3f etc? Sincerely, KK4KWE

Climate Change

24 more posts in this thread. [Missing image file: 1334641797435.jpg]
How do people still fall for the liberal climate change hoax? Co2 levels are going down, the earth is cooling, and droves of scientists agree that its a crock. What do you think /sci/?
6 more posts in this thread. [Missing image file: image1.gif]
How do you write the radius of a horizontal cross section of this figure in terms of it's height? I need to know how to complete this calc problem but I'm a fucking idiot, and you all aren't. Thanks
7 more posts in this thread. [Missing image file: 6a00d8341bf7f753ef00e554db33638833-800wi.png]
How can the earth maintain all the air? I mean, the laws of nature must be trying to suck out all that air into space with a lot of fucking power. What's resisting it & how can it be so strong?
2 more posts in this thread. [Missing image file: Untitled.png]
Can (3x^2)/2, become 6x/2=3x, or does the division have to be done before I can work out the derivative of 3x^2?
2 more posts in this thread. [Missing image file: periodic-table-2jh1745.gif]
Guys...im a high school science student(final year)with phy,chem and math.I've got exams coming up and i haven't done quite alot.I need Inspiration and Tips from all of you experienced ones. Lets say that i have to finish the Whole syllabus in 1 month time,and assume that i have to do all from scratch,what would you suggest and how would you go about it? Help me /sci/,Im a brother in need

Improper integrals

2 more posts in this thread. [Missing image file: 1350658145418.jpg]
So i have a test on improper integrals coming up, anyone have any tricks on determining if something converges or diverges? It would be especially helpful if someone could give a simplified explanation or a trick for determining where an integral converges, that's tough for me.


3 more posts in this thread. [Missing image file: ipv6-wheel.gif]
Hello /sci/ I am going to be honest, I need to learn a bit about IP ver6 but I have absolutely no idea where to start searching so I come to you for help, I ask that you share your knowledge of it with me and if possible provide links that I can use in an assignment. The reason that I am also asking you guys is that I am not attempting to become an IT support or something similar but I still gotta work with IPV6 for god knows what reasons. I will of course be attempting to find information myself and I merely hope that some of you will assist me in finding out about it's weaknesses and strengths compared to IPV4 Thank you in advance
0 more posts in this thread. [Missing image file: Genegun.jpg]
>"So, Agrobacterium tumefaciens doesn't work on corn. The fuck do we do?" >"Fuck it, let's cannonball the genes into the cellular core." God damn I love biotech.

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