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/sci/ Science & Math

Threads added between 2017/03/29 and 2017/04/05

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Most viewed threads in this category

9 more posts in this thread. [Missing image file: ]
Presuming everything goes to plan, how awesome is this thing going to be?


1 more posts in this thread. [Missing image file: ]
I am having the time from hell with Geophysics and have 2 months till I must pass 2 exams of it....WTH do I do, the teacher is horrible at explaining and the class is completely lost 24/7
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/sci/ I'm switching degrees. What engineering degree is the most superior? I've only thought about Civil, but apparently you guys Shit on it.

Launch Tread? Launch Tread

39 more posts in this thread. [Missing image file: ]
The last thread is nearing the end of its useful life and its time to start a new one. Bring all your memes, rare Musk's, shitposting and fanboyism, in less than 15 hours we HOLDHOLDHOLD
23 more posts in this thread. [Missing image file: ]
What's this board opinions on his fundamental math course video series?
5 more posts in this thread. [Missing image file: ]
http://www.slate.com/blogs/xx_factor/2014/12/09/gender_bias_in_student_evaluations_professors_of_online_courses_who_present.html I know this is wrong, but can someone with more experience in this field explain why? A friend of mine is convinced that it's all true and correct.
4 more posts in this thread. [Missing image file: ]
Did he help the science community?
58 more posts in this thread. [Missing image file: ]
Why do governments put fluoride into the water supply if we get enough fluoride from toothpaste? Is it necessary? Also, how are they complete sure it's safe? Scientists have been wrong before (saying sodium and fats are bad for you). Why should we be forced to drink this stuff when most other advanced nations DON'T put fluoride into their water supply?
3 more posts in this thread. [Missing image file: ]
Ayy medifags explain this here >Exercise is good because it requires your heart to work hard which keeps it strong >Drinking is bad because it dilutes the blood, requiring your heart to work hard, which hurts it Sounds like a bunch of liberal media crap to me. Explain this so I can do a better job of understanding it over here.
8 more posts in this thread. [Missing image file: ]
>tfw studying software engineering with a focus on computer science I pity the rest of plebs in this board.
14 more posts in this thread. [Missing image file: ]
>be me >had symptomatic lung cancer for 8 months >seen 10+ doctors >none of them will give me a ct scan and diagnose me because i dont meet the age criteria (only 26) what do lads cant afford to go private im literally dying, have back pain and headaches from metastasises but britbong '''doctors''' still arent interested ive had one chest x-ray already and that was clear, having another one tomorrow and i guess im just hoping something shows up
1 more posts in this thread. [Missing image file: ]
Brainlet here, am I training a neural network when I do these? Because that would be pretty cool.

How good is Mikhail Gromov ?

0 more posts in this thread. [Missing image file: ]
Inb4 uneducated, unfunny answers
11 more posts in this thread. [Missing image file: ]
If you bring two magnets with the same polarity together does the force at the center of interaction travel faster than the speed of light?
5 more posts in this thread. [Missing image file: ]
Trying to figure out a statistics problem. I don't want it done for me, but god knows I'm stuck. A push in the right direction or help understanding what the question is asking? a. What is the sampling distribution of the mean? I have the full question if needed. Explain as if I am a autistic moron (which I am). Any help would be appreciated.

Python library with fast modpow

0 more posts in this thread. [Missing image file: ]
I'm trying to find cube roots of very large numbers (millions of binary digits), modulo pseudo-mersenne prime in python. Native python number type is completely useless. pygmp2 is better but still slow. Apparently GMP can't exploit mersenne/solinas prime modulus for fast reductions and sticks with montgomery/berret (which is several magnitudes slower) for relatively sane-sized numbers. For larger moduli (>2^10000 or so) it attempts FFT Schonhage-Strassen, which doesn't work very well either (that one is best suited only for general m). Does anon know of any library which can do fast modpow() reduction when m is of special fast-reduction-friendly form - for example 2**414032-5 (to get idea of scale, this number is roughly 100k decimal digits and occupies 50kb in memory).
25 more posts in this thread. [Missing image file: ]
Whats the scariest equation you know?
247 more posts in this thread. [Missing image file: ]
"I'm an electrical engineer." >"An electrician?" "I'm a mechanical engineer." >"A mechanic?" "I'm a nuclear engineer." >"Oh no, you make bombs?" "I'm a Physicist" >"A physical therapist, or a physician?" "I'm a math major." >"Do You want to to be a teacher?"

i like dicking around with math problems, will i like dicking around with circuit boards?

0 more posts in this thread. [Missing image file: ]
any EEs here want to share their insight? i'm looking at a junior college program with the intent to continue my education further down the road and i can't tell if i -should just do more math since i like math -spend my financial aid money on EE since i'll probably end up there anyway and at least i'll be employed at the end of four years i can't make decisions on my own HELP

Competitive mathematics

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I've been meaning to go to university in a few years, and I decided to try for the Putnam. I think I'm too old for the olympiad. Is pic related a good start? I'm 18, been out of school since the 8th grade because of reasons, have self taught myself some high school math. The reason I think it's good is because it starts off with exponentials and logarithms and ends off with proofs, pigeonhole principle etc.

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