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Archived threads in /sci/ - Science & Math - 303. page

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How to sound smart/educated/intelligent when talking to someone ?
Its surely not just the use of "fancy" words ? Or is it ?
39 posts and 2 images submitted.
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Fancy words and irrelevant memorized facts, that's how you make the average brainlet think you're a genius.
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>>9065621
This is true.

Just watch a few jewtube videos about interesting facts then recite them in a conversation
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>>9065617
Thats where trivial knowledge you skip comes into play.

10 posts and 3 images submitted.
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>>9065528
>>>>/lit/
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>>9065600
Well... it is interpreted as a critic of non-euclidean mathematics...
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>>9065528
>not reading the new edition

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>failing to write [math]\mathbb{N}[/math]

>dipshit pronounces [math]x^4[/math] as "x hypercubed"

>when my friends' talking points for the day/week revolve exclusively around subjects covered by the latest popsci youtube channels
i-i don't watch them, i swear. i just read titles and infer what the content is about
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>>9065425
That's how I write it.
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>>9065420

n

What are currently the most defended positions in psychology and biology about what is the root (or the components of the root) of greed in human beings?

Is there a common psychological characteristic in, for example, great business tycoons and conglomerate owners, a common set or personality traits that makes them ignore the basic human rights of others in return for more profit, even when they would still have great profits if they didn’t buy laws by lobby or explored modern-slave labor?
14 posts and 1 images submitted.
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>>9065354
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>>9065354
Reptilians operating on their lizard brain rather than mammalian compassion.
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1

What connects the various addictions is that enough is never enough—not for long anyway. As addicts progress (or rather, regress) into their addiction, to derive sufficient gratification they must constantly seek more and more of their drug of choice. For “more” is the keyword of addiction. It doesn’t matter whether they’re addicted to a substance, relationship, or activity—the “ante” for getting enough of the object of their craving must continually be raised.

But of all the things one might be addicted to, nothing tops the greed-laden pursuit of wealth in its audacity, manipulativeness, and gross insensitivity to the needs and feelings of others. Not to mention its extreme, short-sighted, irresponsible covetousness. Ask a multi-millionaire or billionaire so afflicted (if you can find one willing to talk to you!), and you’ll discover that their “mega-fortune quest” really has no end point. They won’t be able to name the definitive “millionth” or “billionth” that, finally, will do it for them. They can’t because the means by which they reap their riches has itself become the end.

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A bag contains 10 marbles. 3 are drawn at random, all 3 are blue. What are the odds that all 10 are blue?

Also interested in the general problem... m marbles out of n are blue, what is the probability that all n are blue?

Does this class of probability problem have a name?
19 posts and 4 images submitted.
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"Urn Problems"
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>>9065176
Ah, right, but what about this more specific case where we don't know what's in the bag? The other marbles could be red, green, black, etc...

Is this problem even solvable, as stated, or is there not enough information?
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bump
don't let me down /sci/

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is it possibe to send memories back in time to change the past?

Pic not related
25 posts and 4 images submitted.
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>Time
No such thing
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I wonder who could be behind this post.
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>>9065028
so what youre saying is time is like an everflowing river that leads to any and every choice being a possibility? In english pls

0=infinity and everything else is autistic. (reminder that Einstein was autistic)
29 posts and 6 images submitted.
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This man speaks the truth
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Do you need attention OP?

>>9063817

>>9064922
We know you're OP.
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>>9064931
I beg for differ

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Do you guys have any medical resources about the mental health of trannies post-transitioning?
37 posts and 5 images submitted.
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>>9064907
yeah but the gays are still good to go right?
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>>9064912
yeah, gays do not have medical cost to the military.
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>https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5178031/
>allowing people who are considerably more likely to kill themselves than regular soldiers to handle weaponry
>allowing these people to be in psychologicaly traumatizing situations, with guns
>allowing these people to join a historically macho and manly organization known to harrass its own members
>burdening the system and jeopardising lives because trannies refuse to admit they have a problem

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if light travels at the same amplitude because one photon has a set amount of energy how does amplitude modulation radio work?
14 posts and 1 images submitted.
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>>9064870
You take electrons and bounce them back and forth through a metal rod using an ac current. By varying the voltage supplied to the rod, the electrons move faster/slower emitting photons of different energies.
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>>9064883
wait but doesnt energy correlate directly to frequency and not amplitude?
E=hν=hc/λ

what you are describing is frequency modulation right?

amplitude is always the same
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>>9064894
Great question anon. My guess is that whilst photons do have a set amplitude, other forms of EM wave can have different amplitudes. Hopefully somebody with a better knowledge of the subject can confirm or deny.

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calmness
joy
anger
sadness

name any other human emotion and I deny you
29 posts and 2 images submitted.
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>>9064754
tfw no gf
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>>9064754
Calmness is not am emotion. It is merely the lack of bad emotions and absence of hyperpositive emotions.

>indifference/apathy
>boredom

Both do not inherently trigger calmness, joy, anger, or sadness. Sorry.
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Disgust.

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>the universe was created by a big bang
>matter cannot be created or destroyed
Nice "science"
24 posts and 6 images submitted.
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>>9064739
>matter cannot be created or destroyed
who are you quoting?
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>>9064739
WHAT SHOW IS THIS. I REMEMBER IT.
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>>9064739
You do not understand what science is fundamentally about.

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Where can I find serious textbook / articles on the lateralization of brain function?
14 posts and 1 images submitted.
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>>9064710
Youre going to want to find articles on neuroplasticity, corpus callosum, Broca's area, Wernicke's area, and you also mind find some intrigue in parietal touch reception.
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>Cajal 1906
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>>9064710
in the sticky.

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Ok, this one is genuinely confusing me, I'm not sure what the answer is here if it's 1 or 2/3 how would one do a problem like this any book recommendations?
46 posts and 3 images submitted.
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>>906459
It's 1
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>>9064597
It's 9
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IMHO it's 9 because 2(1+2) it's like 2*(1+2) and thats 2*3
So in total you have 6 / 2 * 3 and that can be moved around liek you want so you can type it like 3 * 6 / 2 = 9

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Tell me /sci/, is solving a problem merely a question of duration? Could anyone solve any problem given enough time, or are some problems so complex that no amount could be enough?

If so, then what exactly is the reason for that?

Shouldn't any problem be reducible to simpler building blocks that in turn can be reduced even more, depending on the need of how low you need to go? So then if time isn't the only constraint, what else is there? Memory capacity that can only deal with so many blocks and concepts at once? Can a single such block/concept that can be reduced no more be too complex to understand?

If not, and if memory isn't a factor (whether it is or not in the first place, I'll leave open for discussion), shouldn't any problem be solvable with enough time, basically also implying that anyone can achieve anything intellectually given enough discipline (so that the only limiting factor becomes how much time and energy one can invest, which I know isn't limitless but still) and assuming at least average intelligence with no disabilities?
13 posts and 2 images submitted.
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Massive bumperino
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>>9064460
Aren't there problems (like proving the Riemann hypothesis) that require a very intelligent person to break it down to problems solvable by average humans (assuming it can even be done)?
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P=NP

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When I was a kid there was great buzz about stem cells and how we're going to grow new tissues and organs from them. Whatever happened to that?
11 posts and 2 images submitted.
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everything got delayed in the west because embryonic stem cells hurt the feelings of religious retards, give it another decade
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>>9064353
FPBP
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>>9064353
This

>>9064348
I think that they have kept the investigation in China, but many of the results seem bogus and untested in the west because, well, what the other anon said.

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