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Welcome to Oldfriend Archive, the official 4chan archive of the NSA. Hosting ~170M text-only 2003-2014 4chan posts (mostly 2006-2008).

Threads by latest replies - Page 9

No.2983980 View ViewReplyOriginalReport
Could this actually happen, /v/?

Methane coming out from oceans and making a positive feedback on global warming.

It sounds like bullshit to me, but, hey, im not an expert...

Also
>global warming made the sea level rise and cities are now flooded
bwahahaha

No.2984003 View ViewReplyOriginalReport
what the evolutionary advantage of thinking about all the embarrassing stuff i've done when i'm in bed trying to get to sleep?
7 posts omitted
!LG3A9x0d6A

!LG3A9x0d6A No.2983971 View ViewReplyOriginalReport
So /sci/, have you been Shpongled yet? I love listening to this when I'm studying.

No.2983471 View ViewReplyOriginalReport
hey /sci/

Physifag here.
We're starting to study the Brownian motion and for the "historical background" we're supposed to do a small assignments, which is... statistics... which i loathe and suck at.

Now, the assignment is nothing more than a random walk, however, with inequal chances of going left or right.

We're supposed to calculate the "supposed position" after n steps in terms of n and p; and the variance. Since the choices are "left" or "right", i think this is some kind of binom...

I'm pretty sure the position is just the mean, which in this case would be:
n*p - n*q (seeing going left as positive, going right as negative).
= n(p-q) = n(p-(1-p)) = n(2*p-1)

However, the same trick obviously doesn't work for the variance:
n*p*q - n*q*p = 0

So, erm, what's the variance?
9 posts and 2 images omitted
!/SCI/IkwhU

And now for some Probabliity

!/SCI/IkwhU No.2983591 View ViewReplyOriginalReport
Which one should I click on /sci/ ?

Which one is the safest to click on and which one is the least safest? and why?

How do I add the different percent changes onto the blocks?
Like, some are 50 / 50 and some are 2 out of 3.
Do those remove chances or does the chance of a mine increase?
21 posts and 3 images omitted

Engineering assignment

No.2983767 View ViewReplyOriginalReport
Hi /sci/ ok so i need help with my engineering assignment, ive googled this stuff for hours and now i turn to the faithful /b/ for help, so basically what i need is, "what is the link between the product design department and other aspects of the business", thats the question i pose, im doing this assignment on ferrari so if you could be able to help that'd be great, in return tits!!.
12 posts and 3 images omitted

No.2983124 View ViewReplyLast 50OriginalReport
why didnt they keep osamas body for science?
296 posts and 57 images omitted

No.2983410 View ViewReplyOriginalReport
Is there a future in horticulture?
The reason why I'm asking is that I'm thinking of studying it and I wan't to be sure that it will be worth my time.
3 posts and 1 image omitted

No.2983156 View ViewReplyOriginalReport
This will be divided in two parts

Ok /sci/ here's the deal. I have to make a program that simulates a Von Neumann architecture. Basically, an interpreter. The input is a file written in binary that defines the program to be executed (yes, the source code will be binary), and that program will run on a small area of ram that simulates all the system memory. The syntax of the language is VERY similar to x86 assembler, with MOV, ADD, SUB, MUL etc, only in binary. I know this kind of assignment is common in college, but I read that it takes months, often an entire semester. I'm in high school and i have three weeks, but I have a group of like 6-7 people plus me working on it (work is not yet started). I'm not asking for the answer or something, just some insights on how to implement something or other useful advice. Also, we didn't yet study 'classes' but I'll try to implement them anyways... They don't seem that bad to do alone. Anyway, some of my doubts as of now are: how do I know if the program is using memory outside the assigned addresses? I explain myself (not an english speaker, I'm sorry): what I mean is this. Out of my system memory of 1GB, I will assign say 1MB to the simulated machine, and that would be the entire system memory for the simulated machine.
29 posts and 1 image omitted

No.2983794 View ViewReplyOriginalReport
How do I go about solving this? The resistor on the right throws me off.