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/sci/ Science & Math

Threads added between 2015/01/07 and 2015/01/14

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Most viewed threads in this category

67 more posts in this thread. [Missing image file: ]
tips for surviving /sci/'s bullshit: -causation != correlation -filter idiots arguing outside the demarcation of science with science -ignore IQ bait -actually look up the terminology people use instead of straw manning everything anyone have more?
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Neil deGrasse Tyson gets his own late-night talk show, airs in April: http://time.com/3659253/neil-degrasse-tyson-show/. Will you watch?
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If evolution is real then why are there still apes?
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I've been stuck with this for about an hour, any help? Need to figure out the area of the whole triangle.
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How long is "too long" to study each day? Is there a point where you reach mental exhaustion and can't study properly anymore? Discuss.
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I just took a mensa IQ test and according to Mensa I'm a super-genius even though the test was ridiculously easy and my dog could have scored in the above average range if he had hands to operate a computer. The pic is proof. This confirms my suspicion that mensa is actually not a high IQ society, instead I think that it's a way to make stupid people think they're smart by giving them an incredibly easy test and claiming that it's an IQ test.

Which direction will the current flow

2 more posts in this thread. [Missing image file: ]
If there were no Vo, if it was shorted, I say the current would take the path 1 to 1' to 4 and so on. The textbook says the reverse. I think textbook is a dirty liar. Comments?

ISS

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Are they even doing anything useful on this thing? Whenever I read about it it's like "yeah we sent some more insects to have sex with each other" Has this thing really contributed to science in the last 10 years?
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Hi, I come from a programming background so my formal math isn't too great but hopefully someone can understand what I'm asking. Given a sequence, (a_0, a_1, a_2, ..., a_n)is there a way to generate a function where [code]f(n) = a_n[/code]?
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Promising Antibiotic Discovered in Microbial ‘Dark Matter’
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Why are us STEM nerds so shit at social interaction?

How do i solve that sht?

9 more posts in this thread. [Missing image file: ]
gimme the specifics is been a chalend to me (dum as fuk)
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Is there any actual evidence supporting the claim that animals (specifically humans) have the innate desire to reproduce? It is often said that all men are 'hard-wired' to want to impregnate women and spread their seed as much as they can. Is this true? And if so what EXACTLY is it in our brains that makes us this way? Are the deep feelings of wanting to have a child a learned desire from strong, long-standing social and cultural influences and not biological ones? But if that's the case then what about other animals who arent exposed to those same influences? Also if it was innate wouldn't everyone have the desire? How does that count for people who are gay or decide they don't want kids.

Random sampling and determinism

9 more posts in this thread. [Missing image file: ]
The one thing I don't understand about science is how stuff in the past can be used to determine future things. Let's say you study an animal or chemical reaction or something. You do it with specific examples of that stuff. But then you can apply that same information to different sources and they'll do the same things. Like you know the behavior of one squirrel and that applies to the behavior of most squirrels, or if they're different, it's only because of aberrances you didn't account for (such as rabies or hunger). Or you know how a chemical interacts with another chemical and then you use other sources of those chemicals and it still does the same stuff. Doesn't that seem a bit deterministic? Then how do you explain quantum randomness?

"disorders of sexual preference"

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I saw this on Twitter just a couple of minutes ago and I couldn't really understand what the thought process was between the term "disorders of sexual preference" here. This made me think that all preference was a disorder until I saw the word "sexual", I'm fucking confused. This brings me to my question. Many people say sexuality is a disorder that needs to be cured, but in what ways can it be classified as a disorder? What makes homosexuality, bisexuality, and asexuality a disorder while heterosexuality normal? Surely if the latter occurs in nature then the other forms of sexuality must also occur in the nature too, right?

Evidence for life on mars

3 more posts in this thread. [Missing image file: ]
Can any biofag chime in? How credible is this? http://www.astrobio.net/news-exclusive/potential-signs-ancient-life-mars-rover-photos/ http://online.liebertpub.com/doi/full/10.1089/ast.2014.1218
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I graduated a few weeks ago with a degree in chem and math. I'm trying to get a list of good reference texts. My math library is pretty good, but my chemistry one sort of blows. I have the classics; Cotton's Advanced Inorganic and Chemical Applications of Group theory as well as Pauling's General chemistry. What I am looking for are good physical chemistry and organic chemistry references. The books I used as an undergrad were not that great; the one for p-chem was pretty good, but only for kenetics and thermodynamics (it was really weak in quantum). My organic book was just terrible... written my McMurry if I remember correctly. Any suggestions for a good chemistry reference library is really appreciated. Thanks!
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Useful math for CS? Don't just list the obvious linear algebra.

A nice initiative

1 more posts in this thread. [Missing image file: ]
It's nice that this emerging site tries to introduce progressively the mathematics and the science at the people. http://www.magikbit.com/english/mathematics/mathematics.php we hope that they follow other chapters, as they promise on their home page.
16 more posts in this thread. [Missing image file: ]
Are we going to see any important scientific/technological advances in the next 10 years? How will they affect the average citizen? Electric cars with graphene batteries? Self-driving cars? Electric-cord internet? Thorium fueled nuclear reactors being built everywhere?






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