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Archived threads in /sci/ - Science & Math - 683. page

This is a blue board which means that it's for everybody (Safe For Work content only). If you see any adult content, please report it.

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asking why you can't travel faster than the speed of light is like asking why no human can run faster than usain bolt
22 posts and 4 images submitted.
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>>8787993
Do you mean that if something turned out to be faster than the speed of light it would overtake it as a new point of reference and eg Planck time would have to be updated with it?
That's really deep mang, let me take another bong hit and get back to you.
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so we just have to use PEDs to break the speed of light?
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So you be saying that the only way to outrun light is to be dark?

P-value is not a criterion for deciding whether a hypothesis is true.
25 posts and 2 images submitted.
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yes it is
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>>8786462
>>8786483

HOW WILL OP EVER RECOVER?/
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>>8786462
Could someone explain to me what calculation that one math guy used to calculate the probability the sun will rise tomorrow, given it's risen for the past 10,000 years? I've always been very interested in that after reading it in a book, but never could find the calculation.

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If there is a mirror molecule, why can't you just flip it?
26 posts and 3 images submitted.
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Try it I dare you
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>>8785385
it may appear flat on a piece of paper, but the molecule actually takes on a 3D shape. Flipping a molecule would not make it the same thing as its enantiomer because the constituent atoms would be pointing in different directions.
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>>8785385
Because a rotation is not a reflection.

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https://www.wsj.com/articles/elon-musk-launches-neuralink-to-connect-brains-with-computers-1490642652

>the company, which is still in the earliest stages of existence and has no public presence whatsoever, is centered on creating devices that can be implanted in the human brain, with the eventual purpose of helping human beings merge with software and keep pace with advancements in artificial intelligence. These enhancements could improve memory or allow for more direct interfacing with computing devices.

How many GB of RAMs are you guys getting for your frontal cortex?
74 posts and 13 images submitted.
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I want my thought controlled and body integrated prosthesis.


I want the VA to replace the ankles and feet the army ruined.
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>>8783931
Martial arts ruined mine.
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Come on at this point he has to be /sci/'s /ourguy/

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anyone know any good challenges like the Good will hunting?

no numers, just logic
The Good will hunting was very easy, but it liked very much
16 posts and 2 images submitted.
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>>8789155
Try the 'learn english' challenge. Takes most people years
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>>8789172
i'm writing on a cellphone with no english auto correction
stop being a little bitch
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>>8789155
Assume each orange is the exact same size.

Let's say I give you two bowls each which can both hold the same amount of oranges, and another two bowls (not necessarily of the same size) that can each hold an amount oranges that you can choose, provided the amount is not seperable into two or more smaller amounts (of at least 2 oranges) that are equal.

Now is it possible to fill the both the bigger bowls with just one full helping from each of the smaller bowls?

if you don't understand or can't answer this question you're a major brainlet and should f/off to /g/

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This a good book for a beginner to start getting good at Algebra and its branches?
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pls r
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espond
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pls respond

I would like to add that I am white so I wont be having problems understanding the contents of this book if its not very ''beginner friendly''.

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Is attraction to pubescent children even abnormal?
I'm not interested in the legality/effects of it.
Can it really be classified as a mental illness?
17 posts and 2 images submitted.
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>>8789597
Who's tiny? I remember someone who looked like him from youtube
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>>8789597
It's gross nigga
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It hurts my feelings and is therefore unnatural.

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How do I create a time machine?
12 posts and 1 images submitted.
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You'll need two controlled singularities. Then you need to configure the geometry of time/space around them and then you pass matter in between.
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>>8789559
How do you know it will work?
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>>8789565
I'm a space alien.

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$tep right up, goy, to the magic money machine! The machine consists of 6 bins numbered 1 to 6. When you first get the machine, it contains 6 shekels, one in each bin. You have two buttons A, B on the machine and you can press them as many times as you like and in any order.

Button A: Choose a number i from 1 to 5 and then take one shekel from bin i and magically two shekels will be added to bin i+1.

Button B: Choose a number i from 1 to 4 and then take one shekel from bin i and then the contents of bins i+1 and i+2 will be interchanged.

The machine sells for 6 quadrillion shekels. You buys it?
16 posts and 1 images submitted.
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will shekels still have value after I bought it?
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>>8789399
yes, the question is whether you can use the machine to create a profit
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>>8789404
I am leaning towards no because there is no way to replenish the first bin, and once the first runs out there is no way to replenish the second

but you need to have available bins onthe left to fill up higher bins

but I doubt it is that easy

maybe if you had a lot of bins you could make a profit

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So does unplugging the fridge at night really save energy??

the owner of the apartment where I rent a room unplugs the fridge every night, it's a tropical country so the fridge soon becomes warm.

I can't imagine that maintaining the temp costs more money than cool down to freeze temperature every single morning.
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it might be time to reconsider your living situation

no, you dont want to unplug refrigeraters ever because it makes the freon inside REALLY angry
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>>8788862
I am fucking terrified, it does save energy but humans are the primary generators of GDP, not just for one country but for all countries
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>>8788862
Yes, if you want to save even more energy just don't plug it in at all

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How exactly do you go about "proving" this, considering its not a real math problem?
19 posts and 1 images submitted.
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By not being dead
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>>8788856
not any one person in particular, but I mean, by not ending humanity as we know it
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>>8788853
What do you mean it's not a math problem? You just prove NP is included in P.

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Hey /sci/, quick question for you.

If fat people build up fat over a really long period of time, like a decade, when they burn it off are their bodies consuming 10 year old fat? Like, does it stay the same all that time until it gets used? Or do the fat... cells? get replaced with new ones like other cells?

If the former, why don't we store all food the way the body does, since it never spoils?
12 posts and 1 images submitted.
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>>8788662
But why? I just made the thread.
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>>8788669
He's trying to save the thread by moving it back to the first page. But to answer your question, I'd think the individual cells were replaced overtime.
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>>8788688
Oh, I didn't think /sci/ moved that fast. Thanks for letting me know. It seems like replacing cells would take a lot of energy in itself if someone were super obese, so I was wondering if there was a theoretical weight threshold where the energy required to maintain the weight would surpass the ability of the human body to consume.

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Are there any jobs that only a maths grad can do?

i.e. not something looking for people with "numerate degrees" but mathematics only
11 posts and 1 images submitted.
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math professor
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>>8788552
>Are there any jobs that only a maths grad can do?

>Bull prepper.
>Permavirgin.
>NEET.
.>..
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>>8788552
Category Theory Ninja

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nothing can be infinite
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True
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Except for my dick.
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>>8788547
except for nothingness and time

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Here is a 4 bit adder in minesweeper! (Yes a minesweeper grid and rules can compute addition and in fact every possible computations) See details in the post replies.
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1) Write first number in binary in the top light blue cells of the below 4bit adder. (1 = mine, 0 = no mine).
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2) Write second number in binary in the top dark blue cells of the below 4bit adder. (1 = mine, 0 = no mine).
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3) Solve the rest of the grid with the standard Minesweeper rules.

4) You can now read the result of the addition of your two numbers in the orange left + the top pink cells of the adder. Like here.

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