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/sci/ Science & Math

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Most viewed threads in this category

Modern Solism

21 more posts in this thread. [Missing image file: 1364839892399.png]
I'd like to introduce Modern Solism to /sci/, as it seems like something many of you could get behind. Modern Solism is a new, non-theistic philosophy/religious movement; none of us consider the Sun to be a 'true' god, but it has done all that a god is said to do, even if it is an inanimate object -- it has created life as we know it, provides food for us and all of the planet, and it's the only thing we could say watches over us constantly. For the significant role it has had in our creation and our reliance upon it for our survival for all of our existence, the Sun is something deserving of our veneration, Modern Solists conclude. We place the Sun as an object at the centre of a set of ideas which present an alternative to the choice of faith in the unverifiable or the concession of nihilism. Modern Solism is all about affirming human identity and encouraging people to work to preserve our species and nature; two of the greatest creations of the Sun. Feel free to come in and discuss, critique, or ask questions. SOL OMNIBUS LUCET
1 more posts in this thread. [Missing image file: 1351963694016.jpg]
Which is the best programming program using LaTex for a engineer student? Would love to write my third year paper in LaTex, so I need to get started. Which one is recommended to use?

Physics Biot-Savarts Law

0 more posts in this thread. [Missing image file: h14_threewires.png]
Anyone know how to solve this? Three infinite straight wires are fixed in place and aligned parallel to the z-axis as shown. The wire at (x,y) = (-11.5 cm, 0) carries current I1 = 2.3 A in the negative z-direction. The wire at (x,y) = (11.5 cm, 0) carries current I2 = 1.1 A in the positive z-direction. The wire at (x,y) = (0, 19.9 cm) carries current I3 = 5.8 A in the positive z-direction. What is Fx(1), the x-component of the force exerted on a one meter length of the wire carrying current I1? What is Fy(1), the y-component of the force exerted on a one meter length of the wire carrying current I1?

animal surrogacy

13 more posts in this thread. [Missing image file: zebra.jpg]
look at this article /sci/: http://www.nytimes.com/1984/05/18/us/horse-gives-birth-to-healthy-zebra-in-embryo-switch.html is interspecies surrogacy practical for humans? can you take a fertilized human egg and put it into another animal like a gorilla or something and have it brought to term? pic related
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
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?
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]
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]
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?


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?
7 more posts in this thread. [Missing image file: Hard Math.png]
First year electrical engineering student here. Besides the obvious like math, physics and programming what are some things i could work on to better myself in preparation for everything?
18 more posts in this thread. [Missing image file: bismuth.jpg]
What's your favorite element, /sci/?

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