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Archived threads in /sci/ - Science & Math - 1784. page

This is a blue board which means that it's for everybody (Safe For Work content only). If you see any adult content, please report it.

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What does /sci/ think about the abomination being developed? A.K.A the Chickenosaurus.
10 posts and 1 images submitted.
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>>7967030
You mean feathered dinosaurs? Because thats been established since before jurassic park
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>>7967038
No.
It's a chicken mutant, with ancestral characteristics, making it more similar to dinosaurs.
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>>7967041
Source?

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Horizon-chan is all alone out there and barely anyone listens to her call ;_;
7 posts and 3 images submitted.
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>her
Ugh, cis-people are so lame...
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ur satellitefu a shit
>>
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>>7967019
>horizon
>satellite

Alright /sci/
Need your help here
I'm gonna start sleeping 6 hours a day because 24 doesnt give me enough time to do everything I have to

How badly will this fuck up my health?
No shitty /fit/-tier broscience please
32 posts and 3 images submitted.
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>>7973633
You want to crash in 4 days?
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>>7973633
It hurts me to tell you this but there are only 24 hours in a day
>>
I slept 6 hours or less nearly every day last semester
Dont be a bitch, just do it

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Orthotropics, is it just a meme?
Does improving oral posture actually work?

https://youtu.be/0vn47Dwd7Mw
10 posts and 2 images submitted.
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The evidence is there, why would you ask if it's a meme unless your a mental defect. The mechanics of oral posture is rudimentary orthodontics, Dentists want you to think it's genetic because $$$$$$. Mike will make us all slayers
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>>7966884
you're
>>
are you memeing me right now?

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What is the future of capturing carbon emissions from the atmosphere? Can such a technology exhibit the rapid increase in efficiency that computing power experienced from the 50's-present, or is it intrinsically impossible to make economical or feasible in a large application, similar to seawater desalination?
7 posts and 1 images submitted.
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>>7966720
It is extremely unlikely. The problem is CO2 is like fuck all percent of the atmosphere. 850 ppm is still like fuck all of the atmosphere, which means to even get a bunch of CO2 at reasonable timeframes you need a fuckload of area or to move a fuckload of CO2 through filtering shit.

Steven goddamn Chu thinks we can extract CO2 from the atmosphere and turn that shit into hydrocarbon fuels so that we can even out seasonal variations in energy generation with fuck tons of renewable.(Chu likes nuclear too)

Steven Chu is fucking badass.
>>
>>7966720
>What is the future of capturing carbon emissions from the atmosphere?
There is none, yet.

>Can such a technology exhibit the rapid increase in efficiency that computing power experienced from the 50's-present
No.

>or is it intrinsically impossible to make economical or feasible in a large application, similar to seawater desalination?
Yes, but more-so.
>>
>>7966720
If you want to take CO2 out of air your best bet is to trap it at its source, such as capturing the effluent at the smokestacks that produce it. Even doing this is insanely expensive and not very productive.

If you're worried about global warming, this may not be the solution. We're better off limiting out production of greenhouse gasses as much as possible. Also, the planet is a massive living biosphere that can sometimes cope with stress and regulate itself, hopefully.

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Has science given a name to the disorder of having a phobia of autism or autistic people?

How would I go about finding it?
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>>7966653

>reverse image search
>only 4chin results
>/sci/ again

jesus christ i bet that was you too get your chinese cartoons off this mayalsian basketweaving website
>>
>>7966653
/sci/ OC !
>>
>>7966794
No. You just suck at reverse image searching. Source: http://www.pixiv.net/member_illust.php?mode=medium&illust_id=53963113

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I'm a 3rd year environmental studies major and I'm trying to get the ball rolling with internships and such - seems like there are openings all over the country with the Department of Agriculture and the Department of Interior. Anyone here ever worked for/is currently working for a government agency? Are they selective or is it fairly easy to land a position?
7 posts and 1 images submitted.
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>>7966498
>Are you black?
Hired.
>Are you muslim?
Hired.
>Are you gay?
Hired.
>Are you trans?
Hired.

>W-what do you mean you are not a minority in any of these categories? Oh... that's a shame
>4.0 GPA? WOW haha impressive.
>You've done research with your professors. AMAZING wooo!
>You invented the cure for cancer when you are were 8. That's good!
>W-well, that was a good interview. Don't bother calling us, we will call you :^)
>Why did I throw your resume in the thrash? Oh no no! This is not the thrash can, this is our resume depository! haha we just have a good sense of humor :^)
>BYEEEEEEEEEE
>>
>>7966528
HAH gay don't get shit for internships. Bums me the fuck out too.
>>
>>7966536
I'm sure it is quite easy for an engineer in a good uni to get internships.

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If you have a different recommendation be free to share
41 posts and 9 images submitted.
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>>7972897
aw man there's a screenshot somewhere with all the books and steps on learning mat but i dont have it, bumping for someone to give you it
>>
Khan Academy touches the most important parts of the subject, but it's shit if you want to prepare for tests since the problems given by the Mongolian Academy are never type your teacher gives you. It's great but have some reference from the class
t. Received a shitty education and studied with khan Academy for college entrance
>>
Great way to learn if you use the exercises and only use videos when you are stuck. They have quite good calculus materials. Should be enough

Are humans going to bring man's best friend along when they leave earth someday?
8 posts and 3 images submitted.
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I hope not. Fuckin things are noisy and shit all over the place.
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>>7966444
so do you

you discusting ape
>>
>>7966444
So does that mean we won't be taking Africans, Indians, and Chinese into space?

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What is the significance of the fractional derivative? Does it define any process or have any (current) uses in the real world?
28 posts and 10 images submitted.
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fractional fourier transforms come to mind
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>>7966417
oil drilling, it has to do with the porousness of the ground
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>>7966417
>>7966748
also fractional differential equations

look up fractional calculus books

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So my chem prof (we're doing C of hydrogen/hydroxide) just showed us how to solve for +-b^14 using the good ol' quadratic formula. I objected thatit can only be used on quadratic funcs ie the power of 2. I was rebuffed, including by my classmates, many of whom are in calc. Am i wrong here??
8 posts and 2 images submitted.
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lol math is useless bro
shut the fuck up
>>
>>7966387
>+-b^14
what does that mean?

If you want to see how quadratic equations are used, and in some cases simplified under certain assumptions, in equilibria, see chapters 6-8 of this
http://libgen.io/book/index.php?md5=AB1997FB4F02E54E8D17789F27CAF1D2
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>>7966407
Trolling? On 4chan?? What, you have a tough day, tiger?

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How quickly can someone reasonably progress in math? How long should it take someone to be comfortably adept at single variable calculus? Multivariable calculus? Differential equations? Linear Algebra? I know everyone learns differently, so I'm asking for more of a reasonable timespan (2-3 months for example) than an absolute timeframe.
7 posts and 1 images submitted.
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you shouldof grasp the fundamentals by the age of 12ish
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Am I the only one who thinks such a question is a definition of stupidity? I mean, even if you get an answer, how can you verify it? And if you could easily verify it, why the fuck are you asking it?
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>>7966250
high school drop out reporting in. i went through Math 050 (remedial algebra) to diff eq in 14 months.

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Is it possible that a woman has a weak(er) child if she has a hard time getting pregnant?
8 posts and 1 images submitted.
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Anything's possible if you believe in yourself.
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>>7966234
Is there any proven correlation?
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>>7966223
your question will be answered in the affirmative if there is a single woman who has trouble getting preggers that had a weak child.

seems likely

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Suppose you performed an independent-samples t-test to evaluate mean differences between two groups in a study. Then, you performed an ANOVA on the same data. You noticed that the critical t and critical F values in your two tests seem to be related somehow.

Assuming your study had 20 people (10 in each group), describe the relation between the critical values of t and F in each test.
8 posts and 1 images submitted.
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>>7966178
You should have done applied math
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>>7966178
babby's first homework assignment not going well?
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>>7966178
More of sauce?

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How similar is studying statistics compared to studying mathematics? I doubt I could handle a complete mathematics degree (or at least well with decent grades) but statistics looks somewhat fun.

What I'm especially concerned about is about the emphasis on mathematical proofs.
7 posts and 1 images submitted.
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>>7966169
Statistics is applied math. I suppose it varies on the individual institution, but in my UG classes we did proofs in class to show that something worked (more importantly for intuition WHY it worked) and then actual out of class work was typically doing statistics. Studying to do statistics isn't too bad, studying to understand statistics can be hard because it gets VERY intuitive.
>>
Statistics=shit
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>>7966169
You should have done applied math

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