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/sci/ Science & Math

Threads added between 2013/03/27 and 2013/04/03

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Most viewed threads in this category

24 more posts in this thread. [Missing image file: entropy.jpg]
Is it possible to calculate the entropy of an irrational number? Specifically, Pi. I'm wondering because a friend of mine stated "because Pi is infinite, every single sequence of numbers should occur within it eventually, every movie, game, etc", but I think claiming Pi has infinite entropy is somewhat dubious. In fact I really don't see it being true at all, because their are irrational numbers with very low entropy, what would make Pi the exception?
10 more posts in this thread. [Missing image file: 4176993-realistic-rendering-of-bact(...).jpg]
Are bacteria more highly evolved than humans?

career for schizophrenic in STEM?

1 more posts in this thread. [Missing image file: 1318801397974.jpg]
i spam alot yes but...STEM related not meth this time. i am in biochem currently, for a grunt work lab tech job. i want something easy. i have disorganized schizophnia the guy thinks. not schizo-affective. this was cause when i wrote the essay like paragraph detailing my traumatic events that cause psychosis, he saw how I think naturally and not when i am trying to fit in or be easy to talk to. or after i proof read. i also brought up I said gibberish. which was new, happened recently. made me analyze myself more and realize my speech is poor as fuck and so is my writing once i looked back on 4 year old MSN logs with a girl who is also schizo. her writing is getting bad like mine, but she can survive being a blonde ditzy hot girl. i cannot really function as a choppy sounding, forgets word mid sentance, gibberish gabbling grown man who looks like a russian drug dealer. i am avoided HARD. i never knew why, it's how I talk. my body lanauge as well he said, I sit very still and my eye contact looks confrontational and 'dead eyes'. what job in STEM is good for schizophrenia? i cannt do 40 hour a week. 20. and what major? i was tihnking maybe psychology and then doing drug/alcohol counseling if i clean up? seeing as i'd know more and relate to the patients than the doctors who act like they know about drug when they've never done them or been around the real world. just their clinical setting of drug addicts who come in for help. plenty are out there, 20-30 year veterens of coke or speed but doctors always say they doubt those poeple exist. counsellor a good choice for a schizo? or lab tech? help please. i am not sure. i know drug dealer doesnt last forever though
52 more posts in this thread. [Missing image file: 1328980853052.jpg]
hey /sci/, what's the single most important event in Human History?
7 more posts in this thread. [Missing image file: 1343061858246.jpg]
Add this to that, divide by three; the square of this of course you'll see. But that to this is eight to one. So, find out what this is and you're done.
2 more posts in this thread. [Missing image file: 1359587281919.jpg]
/sci/ I just had my dad attempt to use a psychology textbooks definition of theory and hypothesis to say evolution isn't true. Literally "Evolution is a -theory- ( emphasis on theory )" as if that means anything.
45 more posts in this thread. [Missing image file: spivak_calculus.jpg]
Hey /sci/ I'm currently a first year calculus student, and my class uses Stewart's book. Due to the mediocre reviews it's been given by this community, I opted to download Spivak's book, which I have heard is the best, in order to acquire a deeper understanding of calculus and mathematics as a whole. After a little reading, I'm a bit overwhelmed by the rigor of the book, which is far beyond that of Stewart and my AP Calculus course curriculum. It really makes me feel like none of my prior teachers or textbooks have shown me "true" mathematics, as I find AP Calculus easy, slow, and often boring. So my question is, is Spivak worth looking into at this point in my mathematics journey? That is to say, should I have been fully equipped for the book by now? Or is it a text that I should investigate later when I'm more mathematically literate?
1 more posts in this thread. [Missing image file: nigga_nigga_you_gay.jpg]
Any help?

Justification Vs. Knowledge

0 more posts in this thread. [Missing image file: Epistemology.png]
There is no doubt how we got here as humans in the 21st century is in part due to the phenomenon of justification. Examples of justification: >Wagering on a random horse to win, and it does. >Religious prayer before scientists in the '50s discovered the placebo effect. Somewhat related due to the fact science considers justification invalid due to lack of empirical evidence
7 more posts in this thread. [Missing image file: visionspots.png]
Medical Science? Optometry to be specific? I don't know if this is the right place to be asking but I'll give it a shot. Last Thursday I got sick with flu-like symptoms, cough, sneeze, runny nose, fatigue, sore throat, aches all over, fever, headache. The thing that stood out though was the headaches, it wasnt constant but it was the worst i have ever felt in my whole life, it would go away for a few minutes and then suddenly feel like i got whacked in the back of the head with a 2x4, this sharp pain also happened every single time I coughed. Friday was brutal, couldn't function at work, left early. Saturday all other symptoms were receding but the headaches remained. Sunday I realized something was wrong with my vision, i seemed to be getting a constant afterimage as if I had looked at a very bright camera flash but the pattern was totally different for each eye. Today I was functional enough to work, symptoms are nearly gone including the headaches and the afterimage effect has shrunken but is still there, I am hoping it will recede further until it goes away but it's like nothing ive ever experienced. Anyone seen or heard of such a thing before? Pic related, scaled about 200%, if each field was entire field of visions than patches would be half size, they seem green when seeing and invert to pink with eyes closed.
5 more posts in this thread. [Missing image file: image.jpg]
I have a question /sci/. If I were to be close to the centre of a large gravitational point, such as a star, and then I shon a beam of light to you, who was in a position where spacetime wasn't distorted, would you not see me shine the beam of light slower and in theory light itself is slowed down? Just a simple question that's been bugging me the past few days.
6 more posts in this thread. [Missing image file: science.png]
Science.
4 more posts in this thread. [Missing image file: Unbenannt.jpg]
Is the mass of a doughball increasing, when you are pressing it into a flat shape?
4 more posts in this thread. [Missing image file: image.jpg]
Hey /sci/, high school senior here. I was just accepted to the honors program at the University I'll be attending in the fall. What are your thoughts about honors/ honors programs in general? The main facet of this program is undergrad research and prep for Grad School, is it the same for most other places? Thanks! And so this is science related(ish) I'll dump NASA pics.
0 more posts in this thread. [Missing image file: 20091013035250!Teal'cLaugh.jpg]
http://www.youtube.com/watch?v=wwmdf5m9khg
4 more posts in this thread. [Missing image file: 123ghjklol8iuy65.gif]
Hi /sci/ Has anyone seen the film; THRIVE: What On Earth Will It Take? If so what were your views on it? Link to film: http://www.youtube.com/watch?v=lEV5AFFcZ-s

Hypothetic Geometry

11 more posts in this thread. [Missing image file: Ellipse.gif]
Well, an ellipse is the geometric ubication defined by a perimeter where all of points meet the condition that the sum of the distances between them and two points called foci is constant, right? So, I was thinking, There´s a way meet this condition for 3 different foci? Is it possible for n>3 foci in general? if not, why?

Finance!

3 more posts in this thread. [Missing image file: ROE.png]
Can someone help me with these last couple questions :) Thanks guys, been on this for a while.
8 more posts in this thread. [Missing image file: Link_(Four_Swords).png]
I saw this on Facebook and I don't see why it wouldn't be true. However, are the effects really that drastic? Or am I retarded? TIPS ON PUMPING GAS I don't know what you guys are paying for gasoline.... but here in California we are paying up to $3.75 to $4.10 per gallon. My line of work is in petroleum for about 31 years now, so here are some tricks to get more of your money's worth for every gallon: Here at the Kinder Morgan Pipeline where I work in San Jose , CA we deliver about 4 million gallons in a 24-hour period thru the pipeline.. One day is diesel the next day is jet fuel, and gasoline, regular and premium grades. We have 34-storage tanks here with a total capacity of 16,800,000 gallons. Only buy or fill up your car or truck in the early morning when the ground temperature is still cold. Remember that all service stations have their storage tanks buried below ground. The colder the ground the more dense the gasoline, when it gets warmer gasoline expands, so buying in the afternoon or in the evening....your gallon is not exactly a gallon. In the petroleum business, the specific gravity and the temperature of the gasoline, diesel and jet fuel, ethanol and other petroleum products plays an important role. A 1-degree rise in temperature is a big deal for this business. But the service stations do not have temperature compensation at the pumps. When you're filling up do not squeeze the trigger of the nozzle to a fast mode If you look you will see that the trigger has three (3) stages: low, middle, and high. You should be pumping on low mode, thereby minimizing the vapors that are created while you are pumping. All hoses at the pump have a vapor return. If you are pumping on the fast rate, some of the liquid that goes to your tank becomes vapor. Those vapors are being sucked up and back into the underground storage tank so you're getting less worth for your money.

The Second Derivitive

16 more posts in this thread. [Missing image file: d2y.jpg]
Why is the ^2 in different places in the numerator and denominator? Is it just notation?






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