[ 3 / biz / cgl / ck / diy / fa / g / ic / jp / lit / sci / tg / vr ] [ index / top / reports / report a bug ] [ 4plebs / archived.moe / rbt ]

2017/01/28: An issue regarding the front page of /jp/ has been fixed. Also, thanks to all who contacted us about sponsorship.

# /sci/ - Science & Math

## Page 2

[ Toggle deleted replies ]
File: 50 KB, 600x525, 6a00d834515f9b69e20128777ea63c970c-600wi.jpg [View same] [iqdb] [saucenao] [google] [report]

Just realized most of /sci/ or at least some of /sci/ is the white/satanic version of lucifer. Didn't even know one existed as I was the black version.

I hope you enjoy your time at harvard, and whatever other cesspool's you'll be going to since when the christ comes for you, it won't be easy or short. Both my condolences and hatred goes out to you, its do to your "Superior genetics".

 >> Anonymous Fri Apr 20 03:47:54 2018 No.9685574 File: 33 KB, 690x340, Evolution to Jesus.png [View same] [iqdb] [saucenao] [google] [report] >>9685569???, fuck off to >>>/x//sci/ is a catholic board.
 >> Anonymous Fri Apr 20 04:16:57 2018 No.9685621 >>96855691. Kèk why are you assuming that none of us believe in a higher power? And then you act as though hatred is at all appropriate with your religious tone? The Messiah would instruct you otherwise. 2. You should realize that knowledge of hard science has a fairly steep learning curve right? Just keep working on it, friend. 3. Unless you've done a thesis on genetics and epigenetics across various geographical locations, you can only make a very thin claim about it. "superiority" of genes is relative to the evolutionary needs in a given environment and IQ is determined by your Performance on a specific test. If you suck at taking tests, like me, then that measure is going to be an unfair assessment and your results will likely vary if you take the test more than once. 4. You should drop the intellectualy lazy (racist) attitude. The playing field is leveling in North America so if you apply yourself you could probably thrive as a scholar since universities really want multiethnicity in what's still a predominantly pale-skinned institution...which means you get a slight advantage. 5. Not all pale skin is the same. Some of us have been brutalized by imperial forces over the past century, especially Eastern Europe. Much of that region was basically enslaved to Nazi and then Soviet control for upwards of 60 years. Many of us feel solidarity with your group and others. Don't spit in the face of potential allies.

File: 325 KB, 366x355, 1519680302408.png [View same] [iqdb] [saucenao] [google] [report]

So can the astronauts who colonize mars bring marijuana with them?

At some point, somebody is going to be listening to 'Dark side of the Moon' stoned as fuck, floating in zero g and looking into space.

 >> Anonymous Fri Apr 20 04:04:11 2018 No.9685604 no you stoner faggot

File: 51 KB, 580x380, math.jpg [View same] [iqdb] [saucenao] [google] [report]

What are your favorite stereotypes about different types of mathematicians, like the algebraist vs. the analyst vs. the geometrician

2 replies omitted. Click Reply to view.
 >> Anonymous Fri Apr 20 03:48:40 2018 No.9685576 lol...
 >> Anonymous Fri Apr 20 03:51:08 2018 No.9685581 File: 555 KB, 1920x1200, lowResDefault.png [View same] [iqdb] [saucenao] [google] [report] .
 >> Anonymous Fri Apr 20 04:02:05 2018 No.9685598 >>9685581>no trap porn tabspathetic
 >> Anonymous Fri Apr 20 04:08:36 2018 No.9685615 File: 130 KB, 1084x441, mathvirginchad.jpg [View same] [iqdb] [saucenao] [google] [report]
 >> Anonymous Fri Apr 20 04:30:34 2018 No.9685643 >>9685615>all 4.5Mb of calculator memory is girls' phone numbersKek

File: 2 KB, 125x103, 1476134395262s.jpg [View same] [iqdb] [saucenao] [google] [report]

Say I had a population of 10 people with ten scores.
The mean comes out to 900 with a standard deviation of 100.
That obviously means that one standard deviation is between 800 and 1000.
That said, assume I had two outliers of 799 and 1001.
Evaluate my assumption and tell me if this is considered correct.

With a population of 10 sets of scores, 80% of the data (8/10 = .80) falls within one deviation from the mean. In other words, out of ten scores, eight scores fall between 800 and 1000, with a mean of 900 and a standard deviation of 100. (N = 10).

Is this description accurate?

 >> Anonymous Fri Apr 20 03:56:44 2018 No.9685587 >>9685551No.

File: 125 KB, 899x1599, 147D91CB-577D-4FE2-8C1B-638E7D75374B.jpg [View same] [iqdb] [saucenao] [google] [report]

What are your experiences with polyphasic sleep? How did it affect your cognitive ability?

File: 29 KB, 387x480, IMG_20180324_202431.jpg [View same] [iqdb] [saucenao] [google] [report]

Can scientists build a magnet powerful enough to make other magnets cling to it?

 >> Anonymous Fri Apr 20 03:32:21 2018 No.9685556 >>9685545I am the greatest physicist in the world and I have created one. How much would you like to buy my design plans for?
 >> Anonymous Fri Apr 20 05:03:07 2018 No.9685680 magnets repel other magnets you absolute faggot
 >> Anonymous Fri Apr 20 08:29:59 2018 No.9685857 File: 38 KB, 248x203, untitled.png [View same] [iqdb] [saucenao] [google] [report] >>9685545Hey, brainlet!A magnet turns the paperclip (A) it's touching into another magnet. Which you can see because paperclip (A) can then pick up paperclip (B) and so on.

File: 48 KB, 810x539, Asteroid-hitting-earth-artwork.jpg [View same] [iqdb] [saucenao] [google] [report]

Is it possible for humans to create an apocalyptic asteroid strike on earth by launching something big enough into space then make it slam back down?

1 replies omitted. Click Reply to view.
 >> Anonymous Fri Apr 20 03:15:02 2018 No.9685531
 >> Anonymous Fri Apr 20 04:21:27 2018 No.9685630 >>9685522Asteroid impacts are so destructive because they are moving at very high speeds relative to the earth, often more than 20 km/s. If you just lifted some big rock up and let it fall down again it wouldn't be going anywhere near as fast, sure it would probably fuck up whatever it landed on but the energy required to do it would be a waste of time.
 >> Anonymous Fri Apr 20 07:14:28 2018 No.9685791 File: 97 KB, 1024x595, 1511951373203.jpg [View same] [iqdb] [saucenao] [google] [report] >>9685526>rocks dropped from there>dropped
 >> Anonymous Fri Apr 20 07:19:10 2018 No.9685793 >>9685526based
 >> Anonymous Fri Apr 20 08:21:27 2018 No.9685845 >>9685522Not directly.Firing something into space and letting it fall back is just (partially) converting the energy in the fuel into the kinetic energy of the rocket and then back into heat when it hits.Might as well just explode the fuel at ground level.Your scheme doesn't created any energy.On the other hand, you must be aware of plans to deflect an asteroid away from Earth if it was on an impact trajectory. Works in reverse too. Move an asteroid which was scheduled to barely miss us so that it hits.The energy is already in the asteroid. We're just making a minor adjustment.

File: 5 KB, 821x560, IntellectualChallenge.png [View same] [iqdb] [saucenao] [google] [report]

If you all are so smart, beat me in a simple intellectual challenge.

10 replies omitted. Click Reply to view.
 >> Anonymous Fri Apr 20 03:08:58 2018 No.9685525 File: 401 KB, 1406x768, IntellectualChallenge.png [View same] [iqdb] [saucenao] [google] [report]
 >> Anonymous Fri Apr 20 03:15:17 2018 No.9685533 File: 666 KB, 1406x768, 1524208138707.png [View same] [iqdb] [saucenao] [google] [report]
 >> Anonymous Fri Apr 20 03:19:44 2018 No.9685537 File: 711 KB, 1968x756, ChintellectualInllenge.png [View same] [iqdb] [saucenao] [google] [report]
 >> Anonymous Fri Apr 20 03:31:33 2018 No.9685554 >>9685537KekI'm shlepGoodnight
 >> Anonymous Fri Apr 20 03:33:11 2018 No.9685557 >>9685554Good night, friend. Honestly surprised this shit thread got any (you)s.

File: 7 KB, 500x250, Area-of-a-Circle.jpg [View same] [iqdb] [saucenao] [google] [report]

Hi /sci/, could you explain me how to get formula S=π.r^2 by integration in polar coordinate system?

 >> Anonymous Fri Apr 20 03:05:44 2018 No.9685518 The angle (θ) goes from 0 to 2pi, and r goes from 0 to r, then you just integrate the usual formula for surface in polar cordinates. /dθ/r×dr, which when you solve you get pi×r^2 I don't know how to use the stupid math thingy to make it look nice so i nust used / for integrals but you should get the point.
 >> Anonymous Fri Apr 20 03:21:14 2018 No.9685540 >>9685452$\iint_{0 0}^{2\pi\ R}r\ dr\ d\theta=\pi r^2}$
 >> Anonymous Fri Apr 20 03:23:49 2018 No.9685543 >>9685540Fuc$\iint_{0 0}^{2\pi\ R}r\ dr\ d\theta=\pi r^2$
 >> Anonymous Fri Apr 20 03:29:24 2018 No.9685547 >>9685543If you really wanna be technical, r should be in my bounds of integration and R should be my dummy variable inside the integral and differential.

File: 112 KB, 1125x843, cats.jpg [View same] [iqdb] [saucenao] [google] [report]

If you take a function f(x)=sinx and take its derivative an infinite amount of times what function do you get back?

And please don't say you have a 1 in 4 chance of getting +/- sin(x)/cos(x)

4 replies omitted. Click Reply to view.
 >> Anonymous Fri Apr 20 03:43:06 2018 No.9685565 >>968543150/50 it either happens or it doesn't
 >> Anonymous Fri Apr 20 03:54:55 2018 No.9685584 >>9685431Retarded question, OP.To answer you would need to divide infinity by 4 and look at the remainder which is not defined.
 >> Anonymous Fri Apr 20 07:58:21 2018 No.9685817 >>9685431If you differentiate the function an infinite amount of times how do you measure the end result???????????
 >> Anonymous Fri Apr 20 08:00:51 2018 No.9685818 Infinity should be banned. That's it!!!!
 >> Anonymous Fri Apr 20 08:04:48 2018 No.9685821 $\mathscr{Im}( i ^ n \exp(ix))$, where n = infinity

File: 147 KB, 600x842, Funny-Awesome-And-Best-Whatsapp-Images.jpg [View same] [iqdb] [saucenao] [google] [report]

is this a meme or did the chinese figure out how to basically control the planet with digital media?

 >> Anonymous Fri Apr 20 02:43:55 2018 No.9685474 File: 193 KB, 871x548, Sy5GjZv2f.png [View same] [iqdb] [saucenao] [google] [report] >>9685427>The global facial recognition industry is forecast to be worth US\$6.5 billion by 2021, and its continued growth in China is being spurred by innovative start-ups like Yitu Technology and DeepGlint.christ there's even an article with the superpower by 2030 meme
 >> Anonymous Fri Apr 20 03:20:00 2018 No.9685538 >>9685427It's a meme.
 >> Anonymous Fri Apr 20 03:30:30 2018 No.9685550 >>9685427Pro-China propaganda in a laughable and obvious package. I'll be worried about China "controlling the planet" when they can figure out what quality products and innovation are.
 >> Anonymous Fri Apr 20 04:36:14 2018 No.9685652 >>9685550Global domination isn't even in their agenda. It's not part of their culture to do anything that would imbalance their steady growth which is already challenged by internal ethnic/semi political conflict and (potentially) an upcoming loan crisis

File: 82 KB, 640x632, soycerer.jpg [View same] [iqdb] [saucenao] [google] [report]

File: 8 KB, 205x246, x0vjs.jpg [View same] [iqdb] [saucenao] [google] [report]

I just forgot my convening letter for the competitive examination of the Polytechnique-Ecole Normale Superieure universities. I was told to fuck off at the entrance of the building.
I really want to die here, and I have no one to talk to.

File: 788 KB, 741x872, Karps.png [View same] [iqdb] [saucenao] [google] [report]

What do you guys think of this textbook for Molecular and Cell Biology?

 >> Anonymous Fri Apr 20 01:49:45 2018 No.9685360 >>9685350I think that it has a fantastically hideous cover which showcases the ugliness of nature and makes me not want to read the book.
 >> Anonymous Fri Apr 20 06:52:42 2018 No.9685765 why use anything other than alberts et al?
 >> Anonymous Fri Apr 20 09:15:02 2018 No.9685913 >not AlbertsWhy even bother

File: 164 KB, 1276x1226, fracking.jpg [View same] [iqdb] [saucenao] [google] [report]

File: 25 KB, 310x256, 7F2E74B8-2657-4D8F-A2EE-C94E4644C133.jpg [View same] [iqdb] [saucenao] [google] [report]

We will never travel more than a few light years away from the earth.

No matter how advanced the human society gets, we will always be limited by the speed of light and relatively short (>1000 year) lifespans.

How does it feel knowing we are trapped in a small bubble?

12 replies omitted. Click Reply to view.
 >> Anonymous Fri Apr 20 04:57:59 2018 No.9685673 >>9685671> being this ratarded
 >> Anonymous Fri Apr 20 05:02:05 2018 No.9685678 File: 142 KB, 1600x900, 1521536384670.png [View same] [iqdb] [saucenao] [google] [report] >>9685673t. soyboy
 >> Anonymous Fri Apr 20 07:19:44 2018 No.9685794 >>9685670>>9685663hahagaaggagaagtaggagagagaga
 >> Anonymous Fri Apr 20 07:24:29 2018 No.9685796 >we will never do anything because muh capitalism/other current problembrainlet
 >> Anonymous Fri Apr 20 09:41:00 2018 No.9685957 >>9685796> I dont have an argumentSorry buddy but always need money. I know this is hard to grasp for a neet like you, but noone likes to work for free.

File: 44 KB, 400x300, nanoparticles.jpg [View same] [iqdb] [saucenao] [google] [report]

There seems to be a disproportionate amount of math and physics fags on this board.

I have a PhD in chemistry, ask me anything about materials science

but not organic chemistry cause i'm not a faggot

28 replies omitted. Click Reply to view.
 >> Anonymous Fri Apr 20 05:02:37 2018 No.9685679 File: 71 KB, 647x594, 1523887878207.jpg [View same] [iqdb] [saucenao] [google] [report] >>9685292I'm an analytical faggot with knowledge in comp chemare there any comp chem jobs out there? How do I stop hating my life?
 >> Anonymous Fri Apr 20 07:51:24 2018 No.9685811 Is it feasible to trust acoustic sound in sensitive photon measurements
 >> Anonymous Fri Apr 20 08:11:38 2018 No.9685831 >>9685292What books/videos would you recommend to make my organic chemistry ? P.S undergrad level
 >> Anonymous Fri Apr 20 08:18:31 2018 No.9685838 >>9685521You use what you know, it's all tools in the tool box,Where I'm at that course is first semester second year and is compulsory for mechanical, software, compDoes this one go into Laplace at all? If it does take it, I use that shit all the time
 >> Anonymous Fri Apr 20 08:24:43 2018 No.9685847 >>9685292>There seems to be a disproportionate amount of math and physics fags on this board.That's because unemployed people have nothing better to do than shitposting on 4chan.

File: 133 KB, 1024x1024, 1522622757590.jpg [View same] [iqdb] [saucenao] [google] [report]

Why direct proportionality is defined as y=kx where k is a constant instead of y=k+x?

21 replies omitted. Click Reply to view.
 >> Anonymous Fri Apr 20 01:56:28 2018 No.9685376 >>9685366whateverI thought perhaps if OP knew where the word came from it might help him/her understand...Explain things to little kids however you want, and I'll do the same.
 >> Anonymous Fri Apr 20 02:09:10 2018 No.9685396 >>9685245y=kx means that the function will always be the same line when graphedIf y=k+x the line graphed will always be offset from origin by whatever value k is which doesn't do as well of a job at explaining the concept as y=kx does since y=kx never moves anywhere.
 >> Anonymous Fri Apr 20 02:22:54 2018 No.9685421 >>9685288wha?it's like you didn't even read his post
 >> Anonymous Fri Apr 20 02:37:15 2018 No.9685456 File: 579 KB, 1280x1563, 1521418395123.jpg [View same] [iqdb] [saucenao] [google] [report] >>9685245>The AGP's autism isn't strong enough and he is a brainletliteCute
 >> Anonymous Fri Apr 20 02:41:08 2018 No.9685461 Not OP here but I kinda understand what OP is trying to ask but I understand that proportion means y=kx however lets say that the baseline is y=xthen we apply the proportion y=kxNow, couldn't you take kx=q=(x+r) (where r=kx-x)

File: 441 KB, 1670x1080, 1467352864311.png [View same] [iqdb] [saucenao] [google] [report]

Should one get a Bachelor of Mathematics degree for fun/satisfaction/completeness/ego alone?

I have a Bachelor of Computer Science degree and I work as a professional software engineer on ML systems and I really enjoy it and will have a nice happy productive life due to my knowledge, but everyone on /sci/ keeps calling me a brainlet so I want to get a Bachelor of Mathematics in order to prove you all wrong so any time someone insults CS I can say "Haha loser I'm a master race CS major who got a Math degree for fun and it's not that hard"

Should I?

38 replies omitted. Click Reply to view.
 >> Anonymous Fri Apr 20 02:52:03 2018 No.9685497 >>9685491>>9685492I own a software company.I hire CS and math majors.The CS people stay as code monkeys and the math people I put in charge of the CS people
 >> Anonymous Fri Apr 20 02:53:23 2018 No.9685499 >>9685497What kind of software LARPer
 >> Anonymous Fri Apr 20 02:54:50 2018 No.9685501 >>9685497I own a company that owns companies.I hire psychology and math majors.The math people stay as middle management and the psychology people I put in charge of math people.
 >> Anonymous Fri Apr 20 02:58:24 2018 No.9685507 >>9685501>psychologynot science or math
 >> Anonymous Fri Apr 20 03:00:54 2018 No.9685510 >>9685507Go back to your scrum meeting, Bob.

File: 229 KB, 1071x502, AAAconceptions.jpg [View same] [iqdb] [saucenao] [google] [report]