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Archived threads in /sci/ - Science & Math - 271. page

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You know what stresses me out? How will we know if there is intelligent life on planets in distant galaxies if we are seeing them hundreds of millions, even billions of years in the past. We could be looking at eachother and never know because we are looking so far in the past. Is there any material on this out there? I'm having a hard time finding anything. I know we cant see shit through our current telescopes anyway, but does anyone have any idea on where to begin on how to combat the time difference at such distances?
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>>9058840
it doesn't matter
sure, we are seeing the 'past' but the 'present' is outside of our universe
It doesn't affect us.
>>
So a literal non-issue is stressing you out this much? Who fucking cares about some shitty syfy scene of a boy and an alien girl looking up to the stars with sad music playing. Its called being really fucking far away and there's nothing to do about it or care about. Knowing other life existed would hurt more than it helped.
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>>9058840
We can think as hard as we can, but you must know that it literally takes not weeks or months to travel to another planet in our system, it takes years.

But other systems? Thousands of years.

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I noticed some people consider him their favorite scientist, but he is kind of an obscure name

all i know is that he commited suicide
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he was a G E N I U SSSSSSSS
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>Medium long wavy hair
>Strong viking beard
>Muscular
>Bad eyesight
>Blue eyes
All around a strong nord
>>
The entropy guy, huh?
Bet he was pretty depressed when he figured out all the universe is going to shit itself eventually

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Did witten's mother give birth to him via c section?
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who is this ed witten guy posted around here

is he a meme now?
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>>9058837

L

A

R

G

E

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is this environment possible? like, could it actually exist somehwere in the universe?
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You're going to have to be more specific
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Without the rainbow, yes.
>>
With a capital I, yes.

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What are some interesting facts about probability and coincidences?
5 posts and 1 images submitted.
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>>9058756
It's amazing how much shit conspiracyfags can put out just by omitting key facts. Like the fact that the WTC took $9 billion to rebuild, double what the insurance policy paid out.

http://www.snopes.com/wtc-terrorism-insurance/
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>>9058783
Did you not read the entire image? Did you miss the part where he won over 12 billion in a lawsuit?
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>>9058756
My favourite is probably that Hindsight Bias and Confirmation Bias will make the coincidences seem related.

thyme

Whats a more promising degree?

-Theoretical memes
-Abstract memeology
-Applied Memes
-Memetic engineering
10 posts and 1 images submitted.
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>>9058753
First of all, abstract memeology is the same as Meme Theory which is what I think you meant by "Theoretical memes", naturally this is the patrician thing to study, second to none. In Meme Theory we discuss the abstract structures of memes and prove theorems regarding these structures, so it is essentially for at least memetic engineers to know some of this stuff, they use these results to create new meme inference patterns, applied memesters then use these patterns of inference to create the actual memes themselves.
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>>9058753
memetic engineering isnt a real science
>>
marketing.

newfag here. im trying to grasp why a particle in motion has probabilities other than 100% at a given point in time. if you measure all its positions over an interval can't you make a function of that and get a specific point attached to a specific time value? what makes the notion of fuzziness or sampling occur? i know that our models state this is the case, but why? what makes a measurement lead to this conclusion? if i measure a particles xy position with a tool, over time, i should be able to plot where it was in a deterministic fashion. it's like when a person is seated in a class; you can say they left or moved around, but at each point in time, there's a 100% chance they're at one xy position on the plane of the classroom flooring layout.

i just can't get an intuitive understanding of this idea. i'm trying to draw out a graphical representation of what i'm thinking about, where the height of those lines are the probability of its position. i then realized that the particle isn't actually a spherical shape as that's the probability cloud model. sorry for that.
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Watch this

https://www.youtube.com/watch?v=p7bzE1E5PMY
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>>9058698
will do
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>>9058698
ok im still watching it but what does this arrows angle represent? is it just for getting that y component from the flat view of the wave function to see the probability?

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Would it theoretically be possible to cure all autoimmune diseases by injecting patients with monoclonal antibodies specifically targeting memory B and T cells? Wouldn't that make it possible to reset their acquired immunity back to how it was when they were born after only a few doses? That ought to make the patient's immune system permanently forget how to attack friendly tissues.
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pls respond
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>>9058661

Cells die.
The ones doing the damage have memory in their DNA, thus, when new ones are created they have a copy of that DNA. If you inject those cells they would die eventually and new ones (with the old memory) would replace them.
I could think of inhibiting immune cell production and providing different ones like you say through some kind of dialisis. Would be hard and expensive and probably wouldn't work. If it works it would be a treatment not a cure, much like current solutions for autoimmune diseases. Bone marrow, thyme, spleen, etc. transplant could somehow work theoretically.
A cure would consist on some kind of dna modification, which I think is ridiculous for our time.
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>>9058916
Rituximab is a lymphoma drug made from a synthetic antibody that kills B cells. Why couldn't you make another injectable antibody targeting antigens on memory B and T cells? You're right that they store the acquired immunity information in their cell line's DNA, but if you could kill all of them at once, couldn't you regenerate new naive ones from your bone marrow that don't have the acquired DNA to produce autoantibodies?

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> when you have the phenotype
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>>9058443

>that ASHKENAZIM women crave
>>
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>le ashkenazi IQ meme
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How can goyim even compete?

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Size and Weight are affected by his Mass on Live Stream

https://www.youtube.com/watch?v=bLrCxFj6K_o
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>>9058384
is that the guy from Howard Stern hat is on his DEATH BED? Is he going to die live on stream tonight?
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>>9058384
whats worse, the person or the people who watch these people?

imo the latter, but even worse are the people who watch AND try to get other people to watch
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>>9058390
He is playing video games right now, and the fans in the chat ordered him 60 pieces of sushi and 6 sierra mists. I think he is enjoying the fame for now

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I can't believe she's dead, /sci/. I was going to marry her.
5 posts and 2 images submitted.
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>>9058252
I know right? Marrying the woman with the first official diversity fields medal would have been great.
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>>9058252
>goy b8
>sage & hide
>>
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>>9058252

Well, now she is going to do math with Chester Bennington in heaven <3

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How did NASA's Kepler find the planet 'HIP 116454b' when it is 180 light years away?
4 posts and 2 images submitted.
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>>9058162
Transit in front of star gave first suspicion then they measured the Doppler from the star and saw the telltale shifting
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>>9058162
Looked in that direction and noticed light variations from a transit f the solar disk that happened 180 years ago.
>>
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>>9058162
What is more amazing is that your dad's sperm found your mother's egg among everyone else's sperm.

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How many of you actually like and study serious mathematics aside from olympiad type problems with elementary (not always easy) solutions?
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>>9058138
6 lines, every line should cross every other line once. This gives us 5+4+3+2+1 = 15 crosses. Every line added creates 1 new section and every cross splits that new section into two sections, creating 1 new region. So the number of sections is the number of sections with no lines (1) + the number of new sections created by adding lines (6) + the number of sections created by crossing lines 15 times (15) = 22
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>>9058157
Ok here's what I meant you had fun for a few minutes there with a shallow problem. Are you actually interested in spending a lot of time studying real math? I want to know what percentage of people here larping as mathematicians are actually engineers who consider themselves "interested in mathematics"
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>>9058169
I am studying a somewhat related construction and already knew the answer, that's the only reason why I replied. So, yes I'm an amateur mathematician but no I'm not generally interested in these puzzle problems that have already been solved.

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Do most of your physics teacher grade on a curve?
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>>9058131
Yes. All but one. He was a nazi. A literal nazi. He was German. And a prick. A nazi.
I had the highest grade, around 5 percentage points higher than the next highest grade, and still got an A-.

Fuck that nazi.
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>>9058142
You sound like a SJW
>>>/tumblr/
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>>9058131
Not for me. All professors give fixed points for each problem. Well, maybe I am not sure about one. There was one professor last semester who never turned in a single graded test back. I went by the entire semester completely blind about if I was passing or not.

I got an A in his class at the end and this makes me think that perhaps he curved based on my score because I always felt like I made many mistakes in his tests, but it is impossible to know for sure.

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Are there brain diferences between STEM people and humanities people?

It would be possible to test children preferences like a personality test so the children only studies what he's naturally talented at?

Like asian kids being trained since children to be STEM robots while hispanics become trade people and blacks become artists or sport guys.

Is this even possible?

I mean, why should we force an education over topics we're not naturally talented or don't want.
4 posts and 1 images submitted.
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>>9058121

No
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Most studies show that inteligence is largely genetic, and also that there are several kinds of "intelligences" i.e. artistic, logic, geometric, musical etc.

So, yes, what you propose could be possible and has been considered by several people when designing our education system. However, it is unlikely that it is connected directly to race
>>
yes people from STEM are dumber as they lack the abilities of pattern recognition needed to formulate a sociological thesis

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