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Archived threads in /sci/ - Science & Math - 1735. page

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I'm 25 in four months and I'm pretty sure my hair is thinning.

Is there anything I can do to save it or should I just kill myself?
15 posts and 2 images submitted.
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>>8011151
Go skinhead.
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>>8011160

Too ugly, my hair is the only nice thing I have. Not for much longer though.
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>>8011169
I agree. Go skinhead jason statham style until all your hair falls off. Then get implants. Todays hair technology is indistinguisable from real hair and its relatively affordable

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I want to get into theoretical CS.

What math pre-reqs should I have?
How & Where are the pre-reqs mentioned applied in theoretical CS?

What major results in CS should I know?
25 posts and 2 images submitted.
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>>8011140
>>>/g/
>>
>>8011140
calculus 1

what are "major results?"
>>
PHD in graph here,

What field of CS are you interested in ?

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Did we draw the short straw in the game of life?

Born good at music, art or sport:
>Wildly popular is school
>Can be in the big leagues from 17 onwards
>Not hard to get into so long as you have the talent
>Supportive environment where everyone is a winner so long as you try
>Girls are all over you
>Exciting social life
>Can do your own thing, no need to be in a company
>Can make a name for yourself

Be born good at science or maths:
>Usually bullied for it at school
>Girls mostly don't give a shit some even avoid you over it.
>Ultra competitive, all your ideas and work is constantly dismissed as babby tier until you have a PhD
>Virtually impossible to make a name for yourself
>Even more impossible to be an independent freelancer
>Career can't start until you're mid-20s and even then you're a junior underdog. if you get anywhere it is by the time you are mid-30s.
>Autistic arrogant strange peers

If I could I'd 100% trade being good at STEM for musical or sporting skill. Everyone I know who is good at these things is enjoying life much more than I am.
30 posts and 2 images submitted.
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The truth is that, in reality, you're mediocre in math and science, and likely would be mediocre in sports if you were given an equivalent skill level; the other prevailing truth is that that mediocrity in either area will only get you moderately far in life - in fact, you'll probably go further with your comparatively low understanding of stem than you would with equivalent understanding in music.
>>
Why not both? I'm good at STEM and at sports as well as art. Get out level plen.
>>
>>8011089
>Usually bullied for it at school
Nope, went to a boarding school where academia was everything. Try not being born a poorfag with parents who love you, idiot.
>Girls mostly don't give a shit some even avoid you over it.
The only type of girl who doesn't bore me to shit does.
>Ultra competitive, all your ideas and work is constantly dismissed as babby tier until you have a PhD
Not true, your work is baby tier because it's baby tier, nothing to do with your qualifications.
>Virtually impossible to make a name for yourself
See people like Kestler who earns over 200k for a single weekend's training session.
>Even more impossible to be an independent freelancer
See also literally any expert, firm or well known academic.
>Career can't start until you're mid-20s and even then you're a junior underdog. if you get anywhere it is by the time you are mid-30s.
And how the fuck does my internships from 18 not contribute to my career? Not only was I paid but the experience probably boosted my salary later, a career starts when you start building it, not when you start earning 6 figs.
>Autistic arrogant strange peers
Who I get along with better than normies.

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What is your response?
16 posts and 2 images submitted.
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>>8011054
>Be me
>Be in Honors Calculus II
>Cute girl says she needs help with HW due Wednesday (Monday night)
>I say sure but don't know where to meet her
>Suggest she meet me at my dorm
>She says "Sure!"
>She comes over around 8pm
>Help her with her math hw
>She says "Wow anon you're really smart!"
>Sees a hat I wear (tips fedora)
>She puts it on
>Says she looks nice
>She puts it on me
>We joke around
>"Well anon thanks for the help! I have to go!" "See you in class Wednesday!"
>She never ask for help again
>Probably got cucked
>>
pls dont diss me in a song im a nice guy pls
>>
"Yeah, I'm just in it for the babes, though"

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what is the best element?
31 posts and 9 images submitted.
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>>8010743 (U)
>>
Carbon
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teh greatest

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Biology is science right?

I just smoked some weed and realsied my mum and dad have brown eyes but I have blue eyes, is my dad really my dad or did my mum fuck some dude with blues eyes.

They broke up when I was young because they were always fighting, were they fighting over my mum cheating or something?

I love my dad though and he is awesome but I'm curious.
45 posts and 3 images submitted.
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blue eyes are a recessive gene, my grandma has blue eyes yet none of her children and grandchildren have blue eyes
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>>8010550
My entire mums side of the family has brown eyes same with my dad
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>>8010546
You could always ask.

I'm in the same boat sort of, but instead of eye color it's blood type.

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If you have two arbitrary points on the x-y plane, each with known first derivatives, what is the equation of the interpolating curve between those two points such that it starts and ends at the specified slopes?
21 posts and 2 images submitted.
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Plot the derivatives and find a function that goes through the two derivative values. Take the integral of this function and find c such that the integral equation goes through one of the original points given.
>>
>>8010463
f'(x) = (f'(a)-f'(b))/(a-b) (x-a) + f'(a)
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>>8010463
>Plot the derivatives and find a function that goes through the two derivative values.
But that's just restating the problem. What is the function?

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WHY IN THE FUCK IS NOBODY TALKING ABOUT THIS:

http://news.rice.edu/2016/04/14/nanotubes-assemble-rice-introduces-teslaphoresis/
11 posts and 1 images submitted.
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>>8010395
are you just posting this because it has the word tesla in it? It's cool, I guess.
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>>8010395
what's so impressive about this?
>>
>>8010395

because idiots like >>8010539 still think tesla is a meme.

>>8010890
imagine much more small and precise coils which work in line assembly but can alter the wiring on every circuit rather than just produce a single circuit layout

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So I'm sure many of us here grew up with Bill Nye in some form, and for some of us he may have even been a big influence on our interest in science, but do we all agree that he needs to STFU?

He's knowledgeable and his heart is in the right place, but he's not an authority and shouldn't be treated as one. He routinely says things that are just plain wrong. But a lot of people (even those more educated than he is) don't want to undermine him because of politics.
37 posts and 9 images submitted.
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Even Sarah Palin called him out on being an engineer and popsci tv show host and not an actual scientist.

Is Sarah Palin now /sci/?
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>>8009959
Remember how hot she was 8 years ago lol?
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>>8009962
No. I remember how I saw ancient pics of her that were hot but since I haven't been brainwashed by feminists and the MILF-meme to pursue menopausal women I never found her hot during her political career.

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Are all mathematicians this autistic?

https://www.youtube.com/watch?v=-k3mVnRlQLU
34 posts and 5 images submitted.
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>>8009925
>Numberphile
Not even once.
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>>8009925
topkek he is not even a mathematician, he is a physicist you retard.

Are all non-mathematicians this retarded?
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>>8009925
Im more interested in biology and chemistry but i must admit that this is pretty cool

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What immoral experiment do you wish actually happened out of morbid curiosity?

Mine is Humanzee, I would like to know what a half chimp half human hybrid would be like.
22 posts and 1 images submitted.
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>>8009629
Such experiments have actually been done. I'll leave it to your imagination to guess what kinds of regimes permitted this.
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>>8009629
Human neurogenetics experiments. Understanding how genes affect nervous system development and finding ways to breed slightly different but intellectually superior humans.
>>
>>8009629
I want to see a whole country dosed with 500 micro grams lysergic acid diethylamide. Then observed six months later to see how the place changed if at all.

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ITT : we post an idea and the next poster extends it as much as possible until we derive something never thought before
24 posts and 1 images submitted.
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>>8009618
OP is undeniably a faggot
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>>8009621
This guy is undeniably a faggot
>>
Our technology is based in electrons.

I think titan is the next best thing to earth for habitability.

I want to start by talking about its atmosphere. Titan has a nitrogen/hydrocarbon atmosphere which is a bit denser than earth's, and a bit bigger too. Not breathable of course its also -180 C. Whats cool about its atmosphere is its really dense, you can almost float back into space making it ideal for a spaceport going into the deeper solar system. The extreme cold in conjunction with its density makes it challenging to build such a base because its rapidly moving. That combination results in convection quickly removing heat from a base.

But Titans surface is made of lots of ice. Ice is an insulator and more stable temperatures can be achieved by penetrating the surface. This would best be constructed by autonomous robots. Current materials like aerogel with low thermal conductivity could effectively insulate a base. Nitrogen and other elements on the surface can be used to grow plants, and there is a suspected water ocean ~60 miles under the surface - likely much warmer too.

The atmosphere rotates faster than the planet, meaning wind power would be an early sustainable power source - until oxygen can be distilled for using the bountiful hydrocarbons to create power. This power can be used in conjunction with the cold for superconductive hyperloops to create enough artificial gravity to compensate for its smaller mass.

The moon system of Saturn is abundant in elements and could also assist in long term survival. My next contender would be Ganymede - why is everyone so stuck up on colonizing that desert mars?
31 posts and 2 images submitted.
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>>8009536
*The atmosphere rotates faster than the *moon*.

also I want to mention that vehicles could explore the surface easier, easier to keep warm than just a suit alone.

The titan surface exploration suits wouldnt need to protect the wearer from pressure since the atmosphere is dense - just from freezing/suffocating. Antarctica would be a great testing ground.

Titan has a weaker magnetic field, but Saturn protects titan within its giant field.
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>>8009536
The main problem with colonizing another space bodies is the time it takes to get there. I guess that's why Mars is the easiest one right now, maybe in 80 years Titan might be colonizable.
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>>8009676
took 7 years for cassini using almost 20 year old tech

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What happens if you let go of a helium balloon? Where does it end up going?
31 posts and 3 images submitted.
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ballon heavan
>>
It goes really high up in the sky until it reaches equillibrium. It wont escape the atmosphere, itll travel maybe 10 miles up. Then, as the pressure and temp drops, the helium will escape rapidly and the balloon will come right back down.
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>>8009333
i like this response better :3

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Is this what mathematicians actually believe?
https://www.youtube.com/watch?v=SrU9YDoXE88
20 posts and 3 images submitted.
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>>8009205
>vsauce
>mathematicians
no
>>
Honestly? No, it's not.

That video is taking a simple concept and making it way more fucking convoluted and idiot sounding than it needs to be.

We believe in countable infinity and uncountable infinity, and thanks to Cantor's proofs, there can be nothing in between and nothing greater than uncountable infinity.

Countable infinity is the number of elements in the set of all natural numbers. To determine if a set has countably infinite elements, it suffices to see if there exists a bijective correspondence between that set and the set of natural numbers (hence the name 'countable').

Uncountably infinite sets have a bijective correspondence with the set of real numbers. That just means that there isn't a finite number of elements in the set, there IS an order to the elements in the set, and yet there is an infinite number of elements between any two elements in this set. This clearly doesn't meet the definition for a finite set, or a countably infinite set, and yet we can prove such sets exist by means of Dedekind cuts. So we call these sets uncountably infinite sets.

There's slight nuanced definitions like "at most countable", etc., which change the wording a bit, but that's basically it.

That's all there is to it. Very simple concept. Does not need 23 fucking minutes to explain.
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>>8009227
>we "believe" in the infinity and power set axioms
>cantor proved the continuum hypothesis

>very simple concept
and you get it so wrong

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