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/sci/ Science & Math

Threads added between 2012/09/12 and 2012/09/19

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Most viewed threads in this category

6 more posts in this thread. [Missing image file: wade.jpg]
Anyone has this book in pdf? An Introduction to Analysis by Wade
10 more posts in this thread. [Missing image file: 1330616756020.jpg]
Why do your testicles go chilled after ejaculation?

Spivak 4th edition PDF

11 more posts in this thread. [Missing image file: 31ESrmEz0-L._SL500_AA300_[1].jpg]
anyone got a pdf of spivak's calculus 4th edition?
6 more posts in this thread. [Missing image file: 1338634591372.jpg]
5.74*10^17 electrons flow through a wire in 250 ms. What is the current in amperes?
1 more posts in this thread. [Missing image file: pia16164-43.gif]
Flashing thread
6 more posts in this thread. [Missing image file: 1347090289290.jpg]
>wearing my "May the d/dt (mv) be with you" community college physics club shirt >walking into steak n shake at 4 in the morning with friend for some late night coffee banter and maybe some studying >young girl my age with some friends standing at register looks at me and says she loves my shirt >I say "t-thanks" without even stopping head towards a booth I turned that steak n shake into a spaghetti warehouse that's the first time a female I didn't know has spoken to me in like 7 or 8 months inspite of my poor social skills why not celebrate a fellow autist engineerfag who has made it in one of the hardest social games of all time?
25 more posts in this thread. [Missing image file: volume_vs_mass.jpg]
If there was zero error in the experiment, how many points would be on the line? (meaning if the equation for the points was created). I'm thinking that ALL points will be on that line, but I feel like this is a tricky question. The other option is that "there will always be some points that do not go through the line even if there is zero error" I know that in real life nothing is perfect but the question seems to ask about a theoretical situation. What do you guys think?
3 more posts in this thread. [Missing image file: what is this.jpg]
Some guy I know is claiming that Australian Aboriginals are not black. He claims that there is a different genetic mechanism for their color than that of African black. Is he right? I am not particularly versed in this topic but I was under the impression that black skin was just melanin?

who said this?

4 more posts in this thread. [Missing image file: snooplion.jpg]
Who was the guy that said modern "scientists" are ignorant and when a formula is proven wrong they just add x# onto the equation ad infinium until someone creates a simpler formula that has the same results and repeats the process I.e. Scientist wants to graph phenomenon. He does this with X^1. Later, X^1 is proven wrong with new data so he adds X^1 + X^2 and calls it a day. Later yet again it's again proven wrong so they just add + X^3 and so on until a new guy says (X + Y) and it is ignored until x^1+x^2+x^3's problems are too great to ignore then 'scientists' praise (x+y) as genius and as if they always followed it. Then the process repeats. There was a simpler and better way of saying this, but I don't remember who said it.

Bemer is hoax?

0 more posts in this thread. [Missing image file: gradt.jpg]
Hey fellow scifags Please send here documents about Bemer therapy. I have to write a long essay about pseudo-scientific shit that involves biochemistry. I'd need deatils, real scientific reports (can't find any from Bemer or Institute of Microcirculation in Berlin) and sceptic blogs on this topic (pro & contra). Suspects: Dr. Rainer Klopp, Prof. Dr. Wolf A. Kafka
9 more posts in this thread. [Missing image file: really tough math problem.png]
10 more posts in this thread. [Missing image file: latest.jpg]
Alright /sci/. Let's get some astronomy up in here. I'm going to take you through an amazing tour of the Universe. This first picture here is of the sun and it is the most recent picture taken only 2 hours ago. It was taken by the Solar and Heliospheric Observatory. This sucker orbits around the freakin sun and takes pictures every few hours. Those small black dots are sun spots and could easily swallow the entire earth. The reason they appear black is because they are much cooler than the surrounding surface. It's like holding a flashlight next to a light house. Soon though, the magnetic loops bursting through the sun and causing these sun spots will break and die off. If they happen to have a bunch of plasma stored in the fields when they break you get a huge eruption of plasma known as a coronal mass ejection (CME).
7 more posts in this thread. [Missing image file: em.jpg]
Say you have a permanent magnet being bounced back and forth between two electromagnets, which change polarity every time the magnet touches them. Would the permanent magnet experience heating?

Putnam problem of the day

0 more posts in this thread. [Missing image file: day.gif]
1 more posts in this thread. [Missing image file: SUN0071.jpg]
Love and Peace are presented to your heart. MEDITATION http://www.youtube.com/watch?v=wNC2Ait01m8
6 more posts in this thread. [Missing image file: heaven sky bright light.jpg]
Hey Atheists, God exists. Here's the proof: http://en.wikipedia.org/wiki/G%C3%B6del%27s_ontological_proof God - 1 Atheists - 0
8 more posts in this thread. [Missing image file: 1323577903340.png]
Ok, help me out here /sci/, I cannot for the life of me figure out WHY a self-filling flask as designed by Robert Boyle wouldn't work. If you've got a large tank of water with a pipe running out of the bottom, should that not be able to pump water above it's own level? And in that case, shouldn't you be able to pump it back into the original cistern? Something here isn't ringing true with me, but for the life of me I can't figure it out! WHY wouldn't this work?

Japan phasing out nuclear power...

5 more posts in this thread. [Missing image file: screenshot_2012-09-15_0310.png]
Japan decided to phase out nuclear power entirely by 2046. Can anyone here tell me whether running modern nuclear power plants in Japan would be safe? Let us say that an 8.0+ earthquake hits a japanese city that has two nuclear power plants using the latest technology. Would these plants withstand such a quake, or would we get a new disaster a la fukushima?

10k nukes

22 more posts in this thread. [Missing image file: so we got 5k nukes medium.jpg]
Someone on /pol posted this question: "so we got 10K nukes. why don't we take 5K nukes, use them to make hydro, and everybody has free gas forever?" They then clarified what they meant: "We have 10,000 intercontinental ballistic missiles armed with nuclear warheads that use refined uranium to achieve an uncontrolled fission reaction. Why don't we dilute that uranium, use it to build nuclear reactors that provide power to civilians, then use that power to manufacture hydrogen gas that can be used in highly efficient fuel cells to power our cars and transportation infrastructure?" What do you think /sci/?
1 more posts in this thread. [Missing image file: atom-with-electrons.png]
Electricity = electrons moving Static = unmoving Static electricity = impossible eat it atheists






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