Archived threads in /sci/ - Science & Math - 546. page
Images are sometimes not shown due to bandwidth/network limitations. Refreshing the page usually helps.
Why are the blue and violent ends of the spectrum so shit?
>>7724484
something to do with frequency or something I guess
shit man I don't know
Because their size compliments the size of our biological doodads.
Wibbly wobbly good, tear to shreds bad.
>>7724498
Does it also have something to due with ridiculous amount of energy due to short wavelength?
Every star that burns, every planet whose orbit is slowly decaying, every breath you take and calorie you metabolize, brings the universe closer and closer to the point when the entropy is maximized.
Organized movement of any kind ceases, and nothing ever happens again.
There is no escape.
No matter how magnificent life in the universe becomes or how advanced, the slow increase in entropy cannot be stopped.
The universe will eventually die.
>mfw i still wipe my ass with toilet paper
>>7724456
The heat death may never happen.
Gravity may prevent it or the expansion of space if it expands fast enough.
Also even if it does happen it won't be for an extremely long time and there's literally nothing you can do about it. All black holes need to decay first. Stop worrying about it.
>>7724476
You are so stupid. Just because it will be a long time is trivial. Think of how much time passed before you were born. That is nothing compared to the next iterationg of life that has achieved immortality.
>>7724483
>posts about the pop sci meme death
>calls others stupid
K
![watermelon_lion_by_bobo_negrodamus-d2pjp8r[1].jpg](https://i.imgur.com/m6lv1Hx.jpg "watermelon_lion_by_bobo_negrodamus-d2pjp8r[1].jpg")
What would happen if you injected watermelon DNA into a Lion?
>>7723910
Obviously every organism contains the same DNA, so the lion's body would just look at the DNA and do a reverse transcription of the contents to figure out where to add or remove methyl groups on its own genes. Then it would grow into a watermelon over time. That's evolution, you are what you eat.
A better question would be, how long would it take of artificial selection to turn a lion into a watermelon plant.
millions of years?
how would you even do that?
>>7723919
Feed the population only watermelon, and make sure their entire environment is just watermelon trees and shrubs.
Eventually everything would even out.
>sociology is just applied psychology!
>psychology is just applied biology!
>biology is just applied chemistry!
>chemistry is just applied physics!
>physics is just applied math!
>math is just applied philosophy!
>i should study philosophy!
well, you should
>physics is just applied math
>math is just applied philosophy
Thats wrong though
>>7723814
Philosophy is just applied memeology.
prove me wrong (or right)
"red equals" = f(x) = SQRT(X^2)
"green equals" = g(x) = 4 - 2x.
(in both cases, "x" refers to the value of the expression on the left of the equals operator)
You're wrong,
unless you're sloppy and by '1+1' you mean 'the number after 1', for which '2' is an abbreviation and then the second line is not the logical equality.
In a predicate logic with equality '=', you have
[math]\forall x.\, x=x[/math]
by definition of '='
and thus, for every b in your domain of discouse,
[math]b=b[/math]
as an almost trivial theorem.
If you set up the natural numbers, usually you say 1 as short for S0, where S and 0 are actually primitive, and then 2 for S1....
Comment too long. Click here to view the full text.
>>7722881
Here is an overview of the axioms, but of course there are many formulations of this basic structure
A cool constructive one involving mostly universal constructions is
https://en.wikipedia.org/wiki/Initial_algebra#Example
(but I just mention it because it's sweet and generalizes to so many other data structures.)
guys right now I'm writing finals in my University, so can you help me solve some of the easy math problems? So here is one of them for example
6. We have [math]\displaystyle p(x) = g^2(x)f(x)[/math]. So [math]\displaystyle p'(x) = 2g(x)g'(x)f(x) + g^2(x)f'(x)[/math] which implies [math]\displaystyle p'(-1) = 2g(-1)g'(-1)f(-1) + g^2(-1)f'(-1) = 2(3)(5)(4) + (3)^2(1/3) = 123[/math]
>1.
[eqn]\lim_{x \to 4^-} \frac{x-4}{x^2+x-20} = \lim_{x \to 4^-} \frac{1}{x+5} = \frac{1}{4+5} = \frac{1}{9}[/eqn]
A. 1/9
>2.
[eqn]\lim_{x \to \pi^+} \frac{x\cos(x)}{\sin(x)} = \lim_{x \to \pi^+} x\cos(x) \times \lim_{x \to \pi^+} \frac{1}{\sin(x)} = \pi\cos(pi) \times \frac{1}{\sin(\pi)} = -\pi \times -\infty = \infty[/eqn]
D. [eqn]\infty[/eqn]
>3.
[eqn]\lim_{x \to 2} \frac{\ln{(x^3-7)}}{4-x^2} = \lim_{x \to 2} \frac{\frac{3x^2}{x^3-7}}{-2x}...
Comment too long. Click here to view the full text.
multiple choice maths exams what in the fug
What would you do with unlimited energy, with the exception of exploiting it for money purposes?
I can't even start to think about what free energy would mean for humanity.
AI, automation/robots and free energy. You could set up a base on the moon just for the fun of it.
>>7722100
Start making matter out of energy
>>7722100
I would be hyperactive as fuck
This is what European universities actually believe
>>7722028
What?
>>7722028
>>7723401
thanks mr. skeltal
Does anyone else find existence weird? The fact that we exist and interact with people who all have a different vision of reality scares the fuck out of me. There's so little that we know and life is uncertain. How does /Sci/ rationalize this?
>>7721489
Try to be a productive member of society.
>>7721489
Yup its weird.
>>7721489
Gain power and nihilistically undermine the very system that supports you for no reason. Do lots of drugs while doing this as well. Also tell everyone that you're trying to help and promote "progress".
>yfw modern mathematics is inconsistent but mathematicians are too lazy to tear everything down and build it up back up again so they just roll with it and pretend everything is alright
>>7720904
please explain how modern mathematics is inconsistent
>>7720905
>1=1+1
>>7720907
>Implying that an object composed of an uncountablly infinite number of points is "1"
>Not realizing that the Banach-Tarski "paradox" requires the axiom of choice specifically
>trying to simplify a fascinating mathematical theorem into a retarded arithmetic statement
So my Ochem final is in three hours, and I don't know jack shit. Though, I've already taken my differential geometry and analysis finals, and I aced, and I'm good at physics, so this should be very easy, in comparison. It's chem, for christ's sake
Anyone got any pointers/tips? I need to learn Stereochemistry, Nomenclature of alkanes, alkenes, alkynes, Sn1, Sn2, E1, E2, Addition in alkenes, addition in alkynes, and their respective regiochemistry or whatever it's called. Also, conjugated pi bond mechs, and redox mechs. Finally, NMR, GC/MS,...
Comment too long. Click here to view the full text.
>>7719820
>I don't know jack shit
>this should be very easy
>Anyone got any pointers/tips?
>I should just barely make it
please tell us more
>>7719833
Well, it's chemistry
>>7719835
yet you don't know jack shit
Fuck this worthless class
>b-but you need to understand
It literally boils down to memorizing. Pic related.
Chem majors and premeds need to off themselves for enabling this meme class to exist.
>>7718526
>being this asshurt about organic chem
I bet you came undone the first time you were shown spectra, too.
>not being able to memorize a handful of basic facts
Im studying in biotechnology.
Basicly comps. Sci + biology
I rate myslef 10/10
>>7715831
I rate you 3/10 because you're studying a meme degree.
>>7715831
Dude, grow up. That's all I'm going to say.
>>7715844
How?
Saw this on Facebook, and I can't figure out if I'm too dumb to understand or if it's bullshit, help me /sci/
>>7725222
giffgaff??
thats a real cell company???
oh man
i cant wait until someone makes a company called ouchie or tummywummy or yumyum
>>7725222
Well it depends on what does these letters mean to be honest, but still dont pay attention to this shit, typical "look how smart Iam, I wrote nothing hard but still you are dumb hoe that cheated on every possible math test and u understand shit so whatever"
>>7725244
What do you do if you are interested in science but know that you are not intelligent enough (+missed the train) to make any meaningful contributions?
>>7725194
You become a pop sci pleb.
>>7725194
Subscribe to popular science magazine and buy a box set of all of big bang theory
>>7725194
make threads on /sci/, watch big bang theory and subscribe to numberphile
there's a bingo chart somewhere you can look into
