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/sci/ Science & Math

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Most viewed threads in this category

ITT: Autism

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Take the test Prove your autism
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After the first of July I'll have a couple of free months. I'm thinking of learning stuff I either should already know or I don't. "basically" I'm at the 4th year of Engineering (I'm actually going from Electronics to Neuroengineering/Bioengineering mixed with electronics). So, what do you think would be better to study: >1)statistics I should already know this, but our teacher was quite retarded and I easily passed the test without actually learning (I memorized). >2)non-standard analysis A math teacher (and also a friend) suggested me to read a book about non-standard analysis. I don't know anything about that, could be interesting. >3)python up to be able to easily solve np hard problems and idk >4)deeper learning of Fourier transformation idk, the course we took had way too many arguments to actually be useful in a pratical way, I could learn Fourier and actually caring about maths If you have any suggestion go ahead, really. Of course I could learn about human biology stuff, or nano electronics

'Alien Megastructure' Star Kickstarter Just Met Its Goal

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They just reached the kickstarter budget for observing KIC 8462852 for an entire year from the Las Cumbres Observatory Global Telescope Network. Which means it will do nothing but watch the unusual activities coming from the Tabby's star to figure out what's going on with the dimming. http://www.popsci.com/alien-megastructure-star-just-met-its-kickstarter-goal It's confirmed that it wasn't an alien megasctructure but my money is still on the comets. What you think /sci/ ?
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d = 21.6 (mutational differences found in mtDNA) r = 0.000996 (mutational rate) t = ? so: 21.6 = 2(0.000996) x t or t = 21.6/0.001992 t = 10,843 years. = The amount of years since mankind's earliest common maternal ancestor (Mitochondrial Eve) God is real, and evolution is false. Eternal checkmate, atheists.
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>your school >what you think of it >your major/degree >what you think of it

Blue Origin

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THEY'RE DOING IT LIVE Launch webcast begins at 9:45 Eastern, with launch at 10:15 https://www.blueorigin.com/
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If I want to work in a lab with chemicals hands on, what would be better? Pure Chem or ChemE? What is a typical day for a ChemE like (besides sucking cocks meme?) Can I do most of what a Chemist can do with a ChemE degree? It seems the only differences are ChemE's take more math and some specialized Chemical Engineering courses, and Pure Chemists take more electives that go deeper into various Chem topics. I'm minoring in math, so I'm taking at least the amount of math ChemE's need anyway.
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People will look back on this in 100 years and laugh.

Scientific Presentation

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Sciencefag here. I need a couple of master slides for my powerpoint presentations. Need a slide for each combination of small/large room, bright/dim room (at least 4 in total). Advice on fonts would be great. Protip: must be sans serif. I fell in love with Neue Haas Grotesk, but it doesn't have a greek alphabet character set, and I need my alphas, and betas for my protein names and shit. Currently considering moving to Neue Haas Unica. Doesn't give me orgasms like Grotesk, but close enough. Gif humbly presented for your consideration.
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What happened at the end of the Permian?
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Can someone please explain to me why this idiot wants to go to mars instead of making a moon base? >Mars is 6-9 months away, if anything happens on mars you are fucked >moon is close and can rescue get supplies and rescue parts in a short time >Virtually no coming back from mars >No H3 to mine >No magnetic shielding >No confirmed water >Moon can be used for space port and space craft building for future studies Why mars instead the much closer and cheaper moon?
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So if the most likely reason that black people have dark skin, less sensitive eyes( dark brown) and often wider nostrils is because of adaptation the heat in the areas they lived( wider nostrils means more air can enter) and people with white skin son't for the opposite reason. Why is it East and south east Asians who live in their respective climates and geographic areas have evolved, on top of different skin pigmentation, slanted/almond eyes? What purposes could that feature serve to adaption. I always wondered this. Literally not trying to create a race war or /pol/ thread( Im honestly praying they don't invade). If you have any good sources I could look into please post. Pic somewhat related.
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So help me sort this out Why are we still sticking to the science meme? Who cares about the arbitrary and tedious scientific method? Why are we wasting time with observations and guesswork when we should instead only focus on what we can rigorously derive using pure logic and pure mathematics? Maybe it's just my math background talking, but who cares about experimentation? It doesn't prove anything. The next experiment can have results that completely invalidate all the previous ones. Why waste time and money on that instead of proving things for real? It's not like we can honestly say that experimentation can make predictions that are actually solid enough to depend on completely.

When will the meme end, /sci/

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Shared by a moron from my HS trying to go premed

Lab Partners

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Shitty lab partner stories? I've been really lucky to have cooperative and good-humored lab partners up until this point, but now I'm having problems in chem. >Have three partners (more than needed for the lab experiment) >Lab tables are designed to split us up, but we have to work together anyway >Personally very attentive to detail, cautious about gathering data >People on the other side of the table just want to barrel ahead in the assignment and get out early >They end up doing most of the work, and doing it wrong >I'm only able to get reliable measurements on half the trials >When I point out that they don't have any methodology, they bitch at me for "not paying attention" >Being attentive to the variables and measurement techniques is "not paying attention" >I get fed up and decide that I'll do the whole thing next time, and they can just deal with me being slower Utterly bizarre, I've never had lab partners before who wanted to rush through everything. It is Gen Chem 1 though. Physics >>> shit >>> Gen chem
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what's the point of the so-called 'law of everything', the ultimate physical theory? the unifying theory of the universe? Imho it's just a delusion; from a philosophical viewpoint, wouldn't it be inferred from a set of axioms given for granted? how can that be 'the end'? Physics is an open field per se. How can it become a closed theory i.e. how can every physical truth be derived from the axioms? Am I missing something?

Statistics and stuff

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I'm working on a personal project (pic related). Curren Goal: Take several inputs for a gun - damage per second, kills per hour, and kills per death ratio; combine them together to create a score. Ideally, the 'best' gun is the one with the highest combination of all three metrics. I'm not really sure where I should start with creating an equation for this. Is there any sort of mathematical theory or statistical method I should look into?

computation and the mind - once again

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Hi /sci/ it's me again, the guy who refuses to accept the Church-Turing thesis. I've come up with a new argument for you. If everything can be simulated by Turing machines, then this includes the subjective experience of pain. So in principle it should be possible to create an algorithm which genuinely makes the Turing machine experience pain. But this can easily seen to be absurd. Pain is by definition an experience indicating potential harm to body or mind. Now how could a Turing machine be hurt? By it's own definition there is no way to destroy parts of the machine. Now you might think you're clever for simply naming one of the states "pain" but I counter that this way you don't account for the subjective experience which has to be a process and not merely a state. /argument As a byproduct I'd like to introduce the new concept of a self:destructive Turing machine. That is a TM which can lose parts of its abilities by processing certain malicious inputs. Feel free to discuss.
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Hey /Sci/. If I add pure silicon to water and subject it to intense radiolysis from gamma radiation, what will happen?
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Someone over at /pol/ posted this question >>>/pol/77657495 ... does there exist a surjective polynomial function R^n -> R_{>0} for some positive natural number n? Want to try yourself? I think I might have a proof.






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