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Archived threads in /sci/ - Science & Math - 1422. page

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How do you call real numbers that are not part of any solution of finite set of any type of equations that consists only rational numbers and the "size" of equation is finite?
25 posts and 1 images submitted.
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>>8306941
Irrational numbers?
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>>8306941
irrational numbers.
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Transcendental?

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Are you excited for the singularity?
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>>8306728
can't wait for tides of numenera to finally finish.
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>>8306728
Not really.
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>>8306728
Explain to me an idiot the Singualrity. When is it suppose to happen? Will I be murdered or seriously crippled when I did nothing wrong, but try to live my life? What will I personally gain from this?

I'm being serious.

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>http://www.centauri-dreams.org/?p=36248
>strong signal in the direction of HD164595
>recommend scientists should now permanently monitor this HD164595
>if it came from a multi-directional, isotropic radio beacon, it would have to be produced by a Kardashev Type II civilization
>If the signal was targeted directly at our solar system, then it would be of a power available to a Kardashev Type I civilization
>more data is needed before we jump to conclusions.

Lets jump to some conclusions /sci/
14 posts and 4 images submitted.
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Scientists desperate for grant money
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>barely passes 0.9
Just a space fart.
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Is this where my tax money is going?

Maybe you too could have been a great mathematician if actually focused on math instead of chasing tail.
23 posts and 2 images submitted.
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His son looks like him.

His daughter is pretty cute in a non pedophile way.
>>
>be great mathematician
>marry an ugly chink hambeast
Her arm is twice the size of his for fuck's sake. I guess that's what they call love.
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>>8306649
>I guess that's what they call love.

No

I guess that's what they call 'Son I know you have your field medals and your nobels and your what nots but you have to marry. My friend XialOnHuaWonDesunesugoidesu's daughter is single and she got drunk only once in college and was fucked only by 50 people that night. Pretty much a virgin. Take her and give me something to actually be proud of you fucking autist.'

Or maybe he actually isn't shallow... but she should. He earns a lot of money, he could easily get a total slut. I wonder if he cheats. Man he better cheat on her. I mean, if the smartest man in the world is not smashing the best pussy on the menu then everything I believe in is wrong.

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According to Science, does life after death exist?
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1
This reality consists of physical reality (space, matter, energy, and the laws of physics) and consciousness. It is clear that there is a link between the two. By simply willing it to happen, we can make our bodies move, interacting with and changing physical reality. If you pick up an object, you are using consciousness to manipulate physical reality. It is also clear that physical reality can affect consciousness. If your body is injured, you consciously experience pain. If you stand near a flame, you consciously experience the sensation of heat. This suggests that one is subjective to the other and therefore its existence arises from the other. Mainstream, contemporary science would have us believe that consciousness arises from physical reality. However, scientists have no evidence for this. All they know is that there is a link between a brain and consciousness. That only proves that there is a link; it provides no indiciation as to which arises from which.
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2
The closest thing to a physical explanation for consciousness we have is neurons. However, neurons control our entire central nervous system, not just our brain, and they are still there when we are unconscious while sleeping. Our brains make our bodies breathe even when we are not thinking about it and even while we sleep. Our brains turn information from photons into visual images. They do a lot of things that we are not consciously responsible for. Neurons are the basis of a body's central nervous system, not of consciousness. The only evidence that a brain or neurons are responsible for consciousness is that there is a link between the two and there is no other physical explanation for consciousness. However, there does not have to be a physical explanation for consciousness if consciousness is not subjective to physical reality.
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3
This realization, however, leaves another, arguably more important question unanswered: What happens when we die? This question relies in large part on whether or not we, as conscious beings, exist forever. To answer these questions, one must consider what reality really is. Of course reality conists of physical reality and consciousness, but physical reality is subjective to consciousness. Objective reality, then, is essentially two things: Consciousness and time. However, time is not really a thing, so it might be more correct to say that objective reality is only consciousness. Time is simply something that passes. It is objective. That leaves consciousness. Each conscious entity is objective and can be seen as a quantum of consciousness.

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Okay so, I really fucked up that last thread, I wrote it wrong because I was trying to cook something and write it in between cooking.

So, I have a beef with Michio Kaku. He says that because there's quantum uncertainty, that this somehow proves that human beings have free will. First of all, what does he know about how consciousness works? It seems silly to me to think that somehow because there's this theory of uncertainty that that means human beings are responsible for their actions. How does he know that human beings are responsible for their actions, does he even know how consciousness is formed? If you move your hand, do you move your hand because you specifically made that decision, or does your brain make decisions and you just think you're making those decisions?

(1/2)
46 posts and 1 images submitted.
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The next part of the problem I have with Michio Kaku, besides the fact that he made this video only 1:30 minutes long and he somehow tries to play it off like he's explaining away one of the biggest questions in philosophy, but he doesn't elaborate on the points that he's made very much and there's so much unanswered. I personally think it's bullshit, what he's saying about uncertainty in quantum mechanics. Because the universe still operates according to newtons laws, if they didn't then clocks wouldn't work. The universe is obviously working as though it was one big deterministic clock that was set from the beginning of time, I don't see how this quantum mechanics stuff solves that problem, and he utterly failed to even explain why he's making the case that he is.

(2/2)

Honestly, I think what Kaku just did basically was promote pseudo scientific thinking. He basically said "because I say this that means it's true" with no inkling of thought to even give anyone to contemplate. So yeah, sorry that I had to re-write this whole thing, but the first thread that I wrote was disastrous and I realized on re-reading it that I wasn't even saying what I wanted to be saying.

https://www.youtube.com/watch?v=Jint5kjoy6I
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>Michio Kaku
not a real scientist

>because there's quantum uncertainty, that this somehow proves that human beings have free will
he's wrong

now fuck off
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>>8306537
My curiosity is not satisfied.

What do you plan on doing with your math degree?
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detect dumb mistakes on .jpg pictures
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>>8306535
look at the left side of the image.
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>>8306520
I wanted to become an actuary, but as soon as I transferred to university I discovered that the guy in charge of that program got depressed and stopped doing it because a rumor got started that it was shit.
So now I guess I'll just double major in Nip-speak so I can at least translate shit for a few dollars more if I can't figure out the actuary certs with just general Math science knowledge.
Maybe someone with more backbone will restart the program who fucking knows.

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I just had what I imagine isnt a new one. But bear with me.

If you could generate an assload of neutrinos could effectively use them as the stuff in a camera.

question /sci/, how to make many neutrinos?
13 posts and 1 images submitted.
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You would need a particle accelerator, a way to generate protons, and a target like beryllium. Also, neutrinos are weakly interacting, so chances are you couldn't use them for anything.
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>>8306434
Whats the math about having a neutrino bounce back into a sensor?

Im talking lots of neutrinos here, I dont thin kyou understand.
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>>8306439

Disillusioned individual take a step back; what are you using scientific theory for?

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Hi, /sci/. I think I found out somehting this morniug.

If you take any number whose combined digits add to 9 (18, 27, 54, 9, etc) no matter how much times you double or halve the number, the combined digits of the resulting number will add to 9

If you take any number whose digits add to 6 (33, 42, 87) or to 3 (11, 2'1, 6'6, etc), if you double or halve it, it will consecutivelly produce numbers whose digits add to 6 and 3.

For example:
6
6 x 2 = 12 (adds to 3)
12 x 2 =24 (adds to 6)
24 x 2 = 48 (adds to 12, which adds to 3)

If you get any other number and double or halve it, the added digits will, on each operation, be 1, then 2, 4, 8, 7, 5 and then 1 again,

example:

55 (adds to 1)
55 x 2 =110 (adds to 2)
110 x 2 = 220 (adds to 4)
220 x 2 = 440 (adds to 8)
440 x 2 = 880 (adds to 16, which adds to 7)
880 x 2 = 1760 (adds to 14 which adds to 5)
1760 x 2 = 3520 (adds to 10, which adds to 1)
3520 x 2 = 7040 (adds to 11, which adds to 2)

and then succesively. It works with decimal numbers too.

Is this something? Can this have any use besides mindfucking people at math parties?
13 posts and 3 images submitted.
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>>8306315
The digits of any number divisible by 3 sum to a number divisible by 3. So yes, you found something, but it was already known :(
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>>8306318
that was just part of my post. What about the sequence of endless 1-2-4-8-7-5?
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>>8306322
>the missing numbers are 3-6-9
I mean what could it be?

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>tfw switched from math to compsci since it seemed more fun
>tfw realised that /sci/ was right and I literally could just study math and learn compsci on the side
W-well I can atleast take 2 bachelors, shame about throwing away so many courses to the compsci meme
27 posts and 4 images submitted.
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Well meme'd
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>implying you can't learn math on the side
Just switch back to maths in grad school
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>Implying upper div CS courses are easy
Good luck OP

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>Tfw realised one year into psychology degree I'm doing a meme subject
>Consider neuroscience as a masters option in an attempt to salvage it
>Haven't touched science or maths since fuckin gcses

Is there any hope friends? Advice appreciated (Sorry if wrong board, I know psych isn't a science but it seemed out of place in /his/).
11 posts and 1 images submitted.
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>psychology
>>>/sci/
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>>8306088
thx
>>
Embrace and try to do something worth while in your field

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I had a realization this morning.

Why are we bothering to bomb people? Instead of spending money on munitions, feeding the military industrial complex, we could just get a big steel crate and fill it with rocks, then drop it on people. Larger crates for groups, standard size crates for individuals. It would be a lot more cost effective. We could make use of our drone technology to deploy a targeted precision strike of a small, but still decidedly lethal, box of rocks. Fuel consumption would probably be lower as well.

If we run out of rocks would could just start loading the crates with money. It would still be more cost effective.

How many rocks on average do you think we'd need for each crate type? I'm thinking it would be more effective to just use a few large rocks and accept the inefficient use of space, rather than dealing with thousands of small pebbles.
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>>8306025
Geologist here.

The problem is rocks stick around after you drop them. So you've just armed the survivors and they're pissed, you can expect those rocks dropped on you the first chance they get.

Use ice instead.
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>>8306025
I know this is a bad attempt at a joke but the cost of explosives is trivial compared to the cost of delivery among other factors that make this awfully expensive and ineffective.
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>>8306034
Iceman here.

The problem is ice melts into water, which they can drink and use for more irrigation, Hence increasing their number.

Use dry ice instead.

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Do you ever just wonder, why did I specifically gain consciousness, in this body, not the body of someone else, and not the body of an animal or something? Doesn't it ever just seem weird to you that you happen to become the person you are, on the planet you're in, and you're you and not someone else, and you can only experience consciousness specifically as yourself?
12 posts and 1 images submitted.
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Yeah. Sometimes after smoking weed or dropping acid I've gotten an overwhelming sense that I'm actually not just me, that I am actually experiencing everyone's consciousness and they are experiencing mine, that there is only one consciousness.

But as I type that out now it seems like bullshit doesn't it? Probably just a delusion.
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>>8305990
I'm quite amazed by this too, why do I experience the world as it is? Have you ever looked at your toes for too long and thought about how weird and alien life is? I'm convinced that only about 30% of people in the world actually poses the ability to observe themselves from the outside, to continually create higher levels of abstraction and observe reality from this higher level. The rest of are simply closed loop automatons who can not understand even that they are conscious beings.
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This post was made like a month ago PLEASE do not reply to bait.

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>"it can be easily shown that..."
>"easily"
>"this important concept is given as an exercise to the reader to decipher...."
>attempt exercise at the end of the chapter
>can't even solve it

Why do so many authors do this /sci/?
15 posts and 3 images submitted.
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If I'm ever going to make a book on CS, I'll start it by stating
>Theorem 1: [math]P \neq NP[/math]
and
>The proof is left as an exercise.
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>>8305882
They have higher expectations of you as a reader.
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>>8305882
t. John David Jackson

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I seriously asked CERN if I could come and see their LHC.
Today I got a reply: my request was denied. Apparently the LHC is off-limits for the public, even though in 2013 some parts of the accelerator were open for civilians.

I'm depressed as fuck. Why can't I just visit the LHC? My life barely has any meaning now.
35 posts and 6 images submitted.
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They have work to do, and time is money.
Can't babysit you now.
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>>8305847

Apparently Morgan Freeman can just waltz in there and chill in front of the LHC like he owns the place.
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>>8305851
PR = money

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