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/sci/ Science & Math

Threads added between 2015/04/01 and 2015/04/08

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Most viewed threads in this category

14 more posts in this thread. [Missing image file: ]
what is a manifold and why is the concept important?
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What led to humans evolving separate emotions for anger and sadness? The best I can think of is that anger supplies the energy to retaliate against your wrongdoers, while sadness lacks energy (which is fitting, since sad situations often merit no action on your part). But still, while sad situations don't require any anger-like energy, I don't see what pressure there would be to evolve this just-give-up feeling of sadness. How could this emotion have helped our ancestors to survive longer or make more children? Any ideas?
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Either the universe has always existed, or it originated from nothing. This is atleast my understanding of it. After thinking about this for a while, it dawned on me that... Maybe these two are, in a literal sense, the exact same thing? The standard response when asking a physicist what happened before the big bang is that the question is meaningless. Time did not exist prior to the universe appearing. And so, my thought is that, with this being true, a universe coming into being from nothing is essentially a universe that has always existed, since its creation necessarily was the beginning of time itself. It does not make sense to ask what came before, and so in the same sense it does not make sense to say that the universe did not exist prior to its existence, because when there is nothing, there is also not a lack of something (I'm not sure I'm wording this properly, but I hope you get what I'm trying to say)... I'm a pleb law student whose understanding of science/math is superficial at best; I'd just like some actual science people to weigh in on this. Am I being retarded or does this actually make sense? I feel that I didn't really capture my thoughts properly in the words that I wrote, but I did the best I could (English is my second language) so if there's something you want me to expound on, tell me and I'll give it a try.
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Is there anything this guy actually contributed with to science? In any aspect. I see nothing he revolutionized or improved upon, all I see is a semi-charismatic black spokesman (something rare, probabl 3 in seven billion) and actor who has a PhD. Nothing else. I might aswell make a thread on /tv/ and ask them about this later on since he's more of an actor these days than anything. >Calls Interstellar accurate >Goes full fedora on religion (I'm an Atheist, I just don't give a shit about what people believe in and ignore them if they try to convert me) >Is a feminist >Boosts up the ratings of random documentaries he appears in Anything else?

What is with the push to get more people into STEM?

124 more posts in this thread. [Missing image file: ]
Especially women. All that this does is make it harder for people who actually WANT to do STEM stuff.


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What’s the difference between an cult and a religion? My opinion: size. Some cults will grow and become religions, most will die and be forgotten. But a religion is just a big cult and a cult is just an infant religion. What does /sci say?

Doing Math major thru Computer Science

3 more posts in this thread. [Missing image file: ]
19 year old here Looking to do a Math major but do the past choices I can only do Computer Science I didn't do a science subject or advanced subject at school. So I can't do a Bachelor of Science, but can I still try? A computer science course at an university in my state offers computer science with a major in mathematics. Now I want to get into finance mathematics. Is it better if I try to get a Math major thru BSci or thru BCompSci
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What kind of programming languages should mathematicians and physicists leave undergrad/grad school knowing? I think C/C++/Python are very useful, but what about languages like Fortran? or R?

Mathematician's vent

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I typically do not agree with the "engineers are gay" rants on this board and considered it an example of what makes this board lacking in substance. But I experienced something first hand that single-handily changed my opinion of most engineering students. I was at a party, casually chatting with an engineer and a few other people. The engineer didn't know I studied mathematics and naturally assumed he was the most intelligent person in the room. He initially said he is logical and can poke holes in arguments until people jokingly tell him to "stop". He bragged about using logic over emotions. He asked what I studied, trying to impress the women at the party with his brilliance, and I told him I studied pure math. At some point the conversation got into undecidable problems. The engineer profusely disagreed that any problem in mathematics was undecidable. He proclaimed as an engineer that "EVERY PROBLEM HAS TO HAVE A SOLUTION/BE DECIDABLE. EVERY PROBLEM HAS A SOLUTION!" -- His logical mind couldn't listen to the mathematical proofs that this simply isn't true. The people in the room was impressed with him and continued to think he was brilliant. They were impressed that this guy could solve undecidable problems and that the engineering mindset was such problem solving intensive, more so than any mathematician's ability. I didn't even bother with the guy, but it made me dislike engineers. /sci/ you guys are my brothers. I opened my eyes and now I see what engineers are like. I tried to give them the benefit of the doubt and now I' on shaky grounds. It made me realize the most complex math is they do is considered baby math to me.
35 more posts in this thread. [Missing image file: ]
so /sci/ prove to me global warming exists and is caused by humans.
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Is there a STEM major out there who doesn't know MATLAB?
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What's faster? A truck going 40 mph or A dolphin going 40 mph
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Hey /sci/, I was wondering if we had a female (human) in her prime fertility period mate with a male, what is the general percentage that it will be successful in making her pregnant? Do such statistics exist?
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>climate change is a myth perpetrated by liberal intelligensia to raise taxes and advance the cause of a New World Order >it could not possibly be that disinformation and obfuscation and denial is being pumped out by the Fossil Fuel industry, their PR agencies, and right wing think tanks to maintain their status quo how can people seriously believe this?
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didn't einstein sort of start quantum mechanics?

Infinite monkey theorem

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Supposedly in an infinite universe a bunch of monkeys on typewritters would eventually write a shakespeare play. "Whatever can happen will happen" Why the fuck is this true? Even if the timespan is infinite then surely the monkeys could just go on constantly never writing it throughout time?

Evaporating black hole

8 more posts in this thread. [Missing image file: ]
Let's say I was within the event horizon of a black hole. If the black hole evaporated because of Hawking radiation, while I was inside, then would I be able to leave afterwards?
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ITT: We discuss out MBTI Jung personality types INTJ here
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Please explain in concepts a stupid person (me) could understand. Scale is obviously fucked and I know there's no actual barrier for the second circle but you should get the gist of my question.
10 more posts in this thread. [Missing image file: ]
Are there biological diferences between females and males psychology? Like girls having bias for stuff males don't like too much. like girls loving medicine and males engineering like little girls loving to play social games and little boys loving to play action competitive ones.

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