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/sci/ Science & Math

Threads added between 2013/08/28 and 2013/09/04

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Most viewed threads in this category

4 more posts in this thread. [Missing image file: alart.jpg]
Hey, /sci/, it's /tg/. I'm making a setting which can shortly be summed up as "Atompunk" and I need some advice on how to treat nuclear reactors. Specifically, in an alternate world, the Kingdom of Astaria was once a typical Steampunk kingdom. Problem is, they ran out of coal. Due to lucky placement of a few geniuses, they quickly learned of radioactivity and its . The first Uranium pile was put into place in 1903, and the first Thorium Molten Salt Reactor built in 1907. These are concessions to the idea of Atompunk, so I'm not asking about them, or the miniaturization required. What I'm asking about is the basic mechanics: If you have the capability to build a three megawatt reactor that lasts for six years, can you build a similarly sized or smaller three hundred kilowatt reactor that lasts for much longer, or do things just not work that way?
41 more posts in this thread. [Missing image file: 1368655646117.jpg]
What is the real answer, if there is one, to 0/0?
41 more posts in this thread. [Missing image file: 1356844692457.jpg]
What happens if you're an EE major senior and you feel like you don't fucking know anything? I've had two internships and I still feel like I'm completely useless, I didn't learn much at them. I learned C and C++ a couple years ago but that was really just syntax, and I haven't used it since then. I basically don't know anything that would be useful to an employer, like IT related stuff. Is this normal? Am I screwed when it comes to getting hired?
25 more posts in this thread. [Missing image file: general-3.jpg]
Rust on physics, mates. d = 1/2at^2 + vt Solve for v. a) v = d/t - at b) v = d/t - at/2 c) v = - 1/2 at - d d) v = d - 1/2a / 1/2 + 2 e) v = 1/2at + d
13 more posts in this thread. [Missing image file: image.jpg]
What field of science would be the best to study if I wanted to experiment and conduct research on the effects (visual, psychological, chemical, and supposedly "supernatural") of hallucinogens such as LSD, psilocybin, DMT, DXM, 2C-E, as well as other drugs like delirients and stimulants? Which path would make me able to work on that?
45 more posts in this thread. [Missing image file: dirac_1251607c.jpg]
A magical being comes to you with the choice of chosing three people who you wish to have the intelligence of. Your brain will be as intelligent as these three combined, you will be able to think uniquely like each one of them did, and combine their methods of solving problems. Who do you chose? 1. Albert Einstein 2. Richard Feynman 3. Gauss
39 more posts in this thread. [Missing image file: rt90clo1_500.jpg]
Computer "science".
13 more posts in this thread. [Missing image file: 1354867059334.jpg]
Would infrequent binge drinking result in brain damage? I binge drink maybe 6 times in a year but I'm light-moderate drinker otherwise. Most studies seem to focus on heavy long term drinkers.
3 more posts in this thread. [Missing image file: brain.jpg]
/sci/, this is something that has been puzzling me for a little while now. First, let's assume that technology has advanced to a point where a functioning human brain can be replicated through mechanical, synthetic, or some other means. This process is precise down to the point where a brain can be created in an identical state to an individual's at a given point in time. Functionally speaking, someone could have their entire brain transplanted with an identical one in an operation, "they" would wake up and it would be as if nothing changed by their perspective, however theoretically speaking this would be a new, identical person and the one who entered the surgery will die. (In the scenario that the original brain is discarded and not transplanted elsewhere.) Taking this into account, what would happen if the same procedure was executed in parts instead of a single operation? Is it possible that to replace an entire human brain without "killing" the original consciousness of that brain? If not, at which point is it lost?
2 more posts in this thread. [Missing image file: 1378046179405.jpg]
Soon. Soon, this will happen to all male dominated occupations such as engineers and physicists. And there's nothing you can do to stop it.
15 more posts in this thread. [Missing image file: 3.jpg]
15 or 6
42 more posts in this thread. [Missing image file: 1349525619179.png]
Time exists. Prove me wrong.
1 more posts in this thread. [Missing image file: coinflip.png]
Help me sleep. Assuming a coin flip has always a chance of 50% heads and 50% tails. The minimum coin flip attempt for me to get heads then tails (or vice versa) is two flips. (eg. if I'm lucky, the first flip is heads, then second flip is tails.) So what's the maximum coin flip attempt? Is it infinite?
9 more posts in this thread. [Missing image file: image.jpg]
Hi all, just started college. >taking Computer Science with no previous knowledge or understanding of scripts nor c++ >reading through professors online lecture >this comes up >what the fuck is he trying to say? He never mentioned anything about those positive and negative signs in the class nor did he explain them in the lecture aside from the respective order of them. What the fuck does this mean? I'd appreciate some insight from those more experienced please, any bit of knowledge brings me closer to conceiving an understanding of my own.
16 more posts in this thread. [Missing image file: 1367957681975.jpg]
Hey /sci/, what are the common misconceptions about space in popular culture and how should a somewhat realistic portrayal look like in your opinion? For example in terms of warfare? I mean, stuff like if there really is no sound in space, or if explosions could occur and so, maybe regarding an oxygen rich environment in contrast to the stellar vacuum.
12 more posts in this thread. [Missing image file: bananahack.png]
Does this work? Why?
21 more posts in this thread. [Missing image file: 1371173157001.jpg]
/sci/ I need to travel back in time, what should I do? not trollin'.
4 more posts in this thread. [Missing image file: 1377691118100 copy.jpg]
What would happen if we dumped a couple of solar masses of antimatter into a black hole barely passed the tipping point of being a BH
5 more posts in this thread. [Missing image file: NIF-Laser.jpg]
I don't know if you know about this because this is the first time I've ever visited /sci/, but i feel you should read this shit >http://www.geekosystem.com/500-trillion-watt-laser-shot/

How Much Math Do You Use?

60 more posts in this thread. [Missing image file: math.jpg]
I was chatting with nuclear engineer the other day about his job and degree and after telling me about the mathematics courses he took in college--Differential Equations, Partial Differential Equations, etc.--I asked how often he used that kind of math in his day-to-day work. To my surprise, he said he virtually never used any of it. In fact, he claimed the highest level math that he had to use over the past several years had only been some stuff from Cal II. So to all of you STEM majors: What's your job and degree and how much of the math that you studied in school is actually put to use in your day-to-day work? What kind of techniques do you use regularly? Do you ever find yourselves in a position where you have to crunch out some of it by hand, or is it all done on a computer program or a calculator?

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