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Archived threads in /sci/ - Science & Math - 602. page
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I have a question /sci/, why do most of you always whine about your IQ or IQ generally? There's always a thread talking about IQ, doesn't it get boring?
Now for a /sci/ related question, is there a special class that you can take that is designed to increase your IQ, if not, is it possible?
24 replies and 3 images submitted. Click here to view.
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Yes, that's why I'm not replying to this thread. Except with this.
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>>7681254
because manchildren who took an iq test they found by google searching "legit iq test" need to have something to brag about
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I really don't give a shit if you have an IQ of 200, you're still not a genius. A genius changes the world. You're just some faggot that can process shit faster than everyone else.

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Is this actually practical/feasible?
https://www.youtube.com/watch?v=MktwUqAOboQ
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>>7681248
Nice dead link, op. Good stuff.
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>>7681256
>Dead link
???
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>>7681256
Works for me...?

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Can you fall in love at any age? Or is it an age you have to reach before your ability to fall in love gets activated?
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get this bullshit off /sci/
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>>7681241
come on, it's a biology related question
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>>7681245
Bio isn't true science like math

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So I recently received a letter in the mail detailing that I have been nominated to participate in an "extremely selective" program for "future scientific leaders". It's asking for 1.5k to travel to Boston and attend a conference for 3 days. Do you guys believe this is legitimate, I am a fairly academically successful student after all (35 on the ACT *cough* *cough*), or is it just a scam? Here's a link to the webpage: http://www.scitechleaders.com/
11 replies and 1 images submitted. Click here to view.
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>>7681200

It's clearly a scam. When you go to the 'in the news' section all the news articles link to the same fake news website.
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Sounds like a scam to me. Do a lot of research and don't get your hopes up. They know exactly what people like us want to hear.
>>
we dont give a fuck about your life ask someone who cares

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what the hell are these, /sci/?
they smell really good. like apples.
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this is the plant they came off of
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>>7681174
Eat them and report back
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>>7681174
eat

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Is anyone on /sci/ actually able to do theoretical math (e.g. number theory). Or do they just shit on math because they are bad at it?

Find all natural numbers n such that the number [math]2^n−1[/math] is divisible by 7.

Prove that for all natural numbers n the number [math]2^n+1[/math] is not divisible by 7.
16 replies and 2 images submitted. Click here to view.
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>>7681050

Yes these problems are relatively easy. I picked them since you don't have to have too much specialized knowledge or training.
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The first one is just all n equivalent to 0 modulo 3. The value of 2^n - 1 modulo 7 is periodic in n with period 3, and the values that occur are 1, 3, and 7 (or 0, if you prefer). It's easy to show inductively that this pattern continues by noting that to get from 2^n - 1 to 2^{n+1} - 1, you multiply by 2 and then add 1.

The second one can be done in essentially the same way, but the values modulo 7 which occur are 3, 5, and 2, so none of those numbers are multiples of 7.
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>>7681050
Did the goat die?

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How is this possible?
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>>7680954
magic bro, mathemagics
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threads like this should be deleted
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>>7680959
It's not bait. I legitimately want to know if there is a mistake that I couldn't pick.

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Why is chemistry such a meme degree?
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because of breaking bad
>dude meth lmao
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I mean, c'mon. Physics major here.
I need to visit a chemistry course and the people sitting there have problems solving integrals and even normal cubic or even quadratic formula.
They don't know shit.
There is nothing else they know what a physician doesn't know.

>But I know from what material is made of

Fuck off. Why is such a seperate degree even allowed?
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>>7680952
>Why is such a SEPARATE degree even allowed?

Because it takes guts to handle some of the compounds you only dare read about. And you don't need to be that smart to be brave, in fact, it's easier to have guts if you're not any sharper than you have to be.

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Apparently a Japanese prob took this picture of the Earth from several thousand miles away, in deep space. This is lovely, bit it raises some questions.

My initial question is, why can you see no stars in the photograph? You just see the Earth and Moon. A consensus is, the Earth is so bright, it washes out the light from the other stars. It is compared to when you see the sun in space, it's so bright that you can't see anything else.
But by this same logic, how are we able to see stars at night??

The explanation appears to be: the sun, which illuminates...
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>>7680887
To clarify, by Small F-Stop, I mean small aperture hole, which would be something like F32
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>>7680887
>at night

Hey OP, have you noticed that you can't see the sun at night? So how could sunlight wash out the stars?
>>
I can't say I know much more about cameras than you, but that's clearly the problem. The brightness of the moon does not wash out the stars at night and the moon and Earth wouldn't wash out the stars to the naked eye in this image. But the eye is a pretty good camera and this Japanese probe doesn't seem like the best.

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Are more mathematical fields generally better?
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>>7680873
The agriculture dot should be connected to the chemistry dot
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>>7680873
>cs citing math
but you don't need math to make games wtf
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>>7681108
Lmao what?

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CS majors, how much math did you actually do? How much of it was mandatory?

I feel CS has way too little math these days. Freshmen complain and don't see the use of it, and in more advanced classes later years they are completely confused because they never bothered to put any effort into it.
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At least at my school, we do a good amount of maths. Classes involve proving things mathematically and then programming up the solutions.

The /sci/ hate for CS is weird. Either they go to a trashy college where CS is bad ( and their own major is bad too ) or they haven't looked into the CS degree enough to actually say anything about it.

Inb4 muh CS hate.
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Computer science and mathematics double major.

I've taken quite a lot of math. Probability theory, statistical inference, discreet, complex variables, foundations of math, linear algebra 1 and 2, calc 1,2,3, and an analysis calculus course. I guess numerical methods could be considered as math although really computer driven.

I'm still waiting to take abstract algebra, diff eq, number theory, differential geometry, and I want to take a course relating to forecasting and prediction methods using math and computers.

If you're wondering, I'm...
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>>7680909
I'm leaving out a few.

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>go to school
>It's math time
>you see this on the blackboard (pic related)
What you do, /sci/ ?
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>>7680834
shut the fuck up
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>>7680834
(mod 1)
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>>7680834
There we go, fixed

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I am a student who studies at the TU in Delft, Netherlands. I want to study nuclear physics or what it is called. But I can't ask anyone what bachelor I need for it. Which studies will provide a way to nuclear science?

Pic unrelated
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Als je dit soort shit op 4chan vraagt ipv een simpel mailtje aan je studieadviseur, vraag ik me af wat je op een tu doet..
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>>7680810
Met een arabisch achtergrond is dat niet echt slim om te vragen
>>
>Applied Physics specialisation Nuclear Science and Engineering
>The principle objective of the Nuclear Science and Engineering specialization is to meet the growing demand for qualified nuclear scientists and engineers. The field of nuclear science and engineering is widespread and multidisciplinary. The NSE programme can be taken within both the Applied Physics and the Chemical Engineering Master’s Programme. The programme may focus on either health or energy.

http://www.tudelft.nl/en/study/master-of-science/master-programmes/applied-physics/programme/specialisation-nse/

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Amateur game dev here,
How difficult would it be to create a simple model of the solar system ? I've only taken pre-calculus so far, but I did learn conic sections. I've been looking at Kepler's law of planetary motion, and I kind of understand the math, but I'm not quite sure how to implement it programmatically. Please share your precious knowledge with me.
21 replies and 2 images submitted. Click here to view.
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depends how simple you want it to be
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You need to solve a system of differential equations with initial conditions from the planets. You don't need more than Kepler's laws.
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Look up N-body simulation. But it really depends on how complex you want it,

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Nasa finally weighed in on the subject:

http://www.nasa.gov/feature/jpl/strange-star-likely-swarmed-by-comets

>A star called KIC 8462852 has been in the news recently for unexplained and bizarre behavior. NASA's Kepler mission had monitored the star for four years, observing two unusual incidents, in 2011 and 2013, when the star's light dimmed in dramatic, never-before-seen ways. Something had passed in front of the star and blocked its light, but what?

>Scientists first reported the findings...
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>>7680754
What else. Spaceships wouldn't block enough light for us to be able to discern the differences if they've achieved lightspeed travel.

Comets/Asteroids or orbiting planets is my guess.
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>>7680788
I read an article about a megastructure being a potential cause. Can't remember the civilization tiers but isn't a tier 3 civilization capable of using the sun as direct energy? A massive structure near the sun would likely suffice. Or a massive habitable tech planet.

Alien technology could be anything. Assuming they're advanced they could have gathered enough resources to "build" their own planet.
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>>7680788
Granted that may be true, they're all speculations. Anything and everything can be true outside of earth.

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