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# /sci/ Science & Math

## Most viewed threads in this category

there is this cute Chinese girl at my school, and as we were walking out of calculus, I asked her if she does math tutoring. She reported me. >Now I have to do an micro-aggression awareness program. ;_;
>1=0.999
For the purposes of science fiction, what would be the most convincing way to send information backwards through time? I've done some light research and (if I'm being generous) I've picked up a cursory understanding of popular quantum physics, but I'm not able to articulate a satisfying method for a time-traveling file transfer. Do you guys have any suggestions?
hey geos, what's on your mind?

### Probability

This might be basic, but I'm still having a hard time understanding it. Say 100 pieces of pie has to be distibuted to 100 different plates and the way they are distributed are random. (n=100, r=100) Then what is the chance of all the pie pieces to be distributed evenly? I know that there are 100^100 (n^r) different ways of them to be distributed total, but don't really know how to find a formula for them not to "collide"
Name one or more reasons how /sci/ actually improved your life in 2016 >inb4 it didn't
i have a masters degree in math, AMA

### Cryogenic Dewar

Anyone know how to get a Cryogenic Dewar for storing liquid nitrogen for cheap? I want to freeze my dick and hit it with a hammer.
The T-rex had feathers, hollow bones, and was most likely warm blooded. does this mean the T-rex, taxonomically, is a bird?
Just so we're clear, 3D printing is a meme, right?

### The rich will become ‘God-like cyborgs'

The rich will become ‘God-like cyborgs’: Historian claims the wealthy will transform into a new type of human within 200 years. http://www.dailymail.co.uk/sciencetech/article-3096393/The-rich-God-like-cyborgs-Historian-claims-wealthy-transform-new-type-human-200-years.html Is this true?
ITT: Textbooks that made you feel like a brainless twat

https://www.strawpoll.me/11978410

Is there any way that an ancient civilization could have been able to have enough gold that using it as a building material (or even just a paint/coating) would be not only a practical, but a popular standard? Just how much ore would they have to be sitting on?
daily reminder that IQ is a meme.

Daily maths challenge thread #1 (previously known as inter-major maths olympiad) I admit the previous thread's problem wasn't worded perfectly, so this time I just cropped the problem text from the official source (IMO shortlist). This time we're having 2 problems, the first is a bit on the easy side and the second is harder. Feel free to discuss those problems and other similar ones. Let's stick to the maths stuff this time, okay? Pic related is problem number 1.
How many extra calories would you burn if you lowered your room temperature to 12 degrees celsius?

### /sci/'s approved Youtube science channels

Recs of Youtube science channels? Favorite channels of yours? Any science or math related is welcome.

### Teichmüller

Is Mochizuki just meming us?

### Olympiad maths - functional equation

Hi /sci/, I would like to know what you think about the problem in the picture. I have 2 different solutions for it and I'm thinking it's appropriate for a high school maths olympiad. Can it be generalized any further by extension of the domain or codomain, for example?

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