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Archived threads in /sci/ - Science & Math - 1715. page

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Why did I study so hard in my first year of uni and get Cs and Bs meanwhile my fuckbuddy who just seems like she just fucks around most of the times got As and A+s?
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>>8038438
How is it possible to put even a vague amount of effort into stage 1 classes and only get C's or B's. I legitimately do not understand
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>>8038438
>>>/r9k/

hopefully the /sci/ janitor is replaced after the recent round of applications
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>>8038440
I don't know
I really tried, I'm worried that maybe my highschool was too easy, and that 98% I got in grade 12 was undeserved, but I felt I studied pretty hard in grade 12

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why dont airplanes have rotated formula 1 spoilers as wings if they are so great for pushing the cars to the tarmac?
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>>8038399
But thats basically what wings are
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>>8038402
but they arent shaped like that though, and airplanes have to be angled upwards to maintain altitude using a normal wing
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using a spoiler will increase lift

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Why is the field of mathematics so underpaid despite being relevant and applicable to so many fields of science and engineering?
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It is if your actually studying a field where your using applied mathematics, which would be called engineering.
But you probably dream of studying topology or some other pure math nonsense.
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>>8038388
This. Applied math here. Even though all I do is numerical methods in a math-only context I'm in the department of engineering at my university. Hoping to go on to PhD and do more computational modeling.
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>>8038360
demand and supply

too many fags trying to math.

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mercury known to cause mental illness since 500bc [google dartmouth tox history mercury]

the government gave us mercury in 1918... it took them 100 years to remove it from vaccines
it took the 50 years to remove it from dental amalgams
its worse. organic foods were outlawed for 100 years 1915-1995
how many new chemicals did they put into the food supply yesterday?

the entire anti-vaxx movement was discredited with basically "vaccines were saving lives bro"... but innoculation was saving lives since 1700s, vaccination is just innoculation+mercury

are vaccines mutagens? is not the immunity recorded to dna? should we mutate our dna 48x times per baby every generation?

the moms who said hey maybe mercury is nasty maybe we should look at it; were ignored, hated, slandered, and discredited (+ my threads deleted)

if my father grandfather and his father were vaccinated shouldnt i be immune to flu?

if the flu ever killed me, i would be dead and not be here [natural selection], do i need this flu immunity? im probably already immune to it right?

mercury related illnesses [autism/schizo] have made mercury mines [invest in rx pills] more profitable than diamond mines and gold mines

by increasing the dosage to 48 vaccines per child the Rx company has created a 5trillion+ dollar profit loop, every generation (every 60 years)
(3.2bill ppl x 48 vacc x $12 = $1843billion every 60 years)
(but innoculation was saving lives without mercury. and i never died of this flu anyway so i wouldnt be here natural selection)

the numbers from the generation of 1980s are not even in yet; those people only got 12 shots, theyve already increased the vaxx rate to 30 vaccines, due to be 48 or 64 by 2020, and allegedly 100 vaxx by 2032 [agenda 2032]. pro tip suicide rates and mental illness rates are risen a lot since 1980

(imho) virii are UFOs if you think a child on its first day of life can beat 48 [vaccines, 48] types of very evolved alien killing machines species and ufos you are wrong
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Science never even asked one of these questions though. and when we do people attack our credibility. fucking niggers.

So i emailed my mercury tox data to nyt, the herald, and gov rick larson, and bill gates. not a reply in 4 months.

all threads about mercury tox data deleted from hackernews, reddit, and 4chan /sci/... its not even my data (i linked them], its other scientists data. what gives guys?
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>>8038356
If the newspapers wont publish this stuff and they were emailed it are they conspiring to conceal a crime or liable via RICO laws? Ask the right questions. The newspapers and the congressmen have been deleting everyones letters and emails for hundreds of years.

is it as simple as the earth cleansing itself by giving us the toxins chemical, pesticide and Rx companies make? the more poison crap they make the more profits they make! why?

full mercury data [causation, corellation, proof they lied about its usage, and econimics of mercury poisoning]:
r eddit.com/comments/3za5e7/ (newspapers wont publish this)
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>>8038355
>>8038356
>>8038375
Why do you even bother?

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>climate change hysteria everywhere
>people think solar/wind is an viable option
>everyone is scared of nuclear power

Is this a meme? Why are everyone so scared of nuclear power, which can be done pretty much in a failsafe way? inb4 Chernobyl
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>>8038349
Radiation is scary, its not that complicated
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>>8038350
So are bears and sharks but you dont drive them extinct for that reason.
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>>8038352
Nor do we set up shark ponds in the middle of cities

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/sci/, what is some good math or chemistry related lectures to watch? I'm in calculus 1 right now and my professor is not a very good lecturer, so I would like some material to watch on my own (I actually like watching math)

Same with chemistry. Or if there are more entertainment based math/chemistry channels, I'd be interested in those too.

If you just have a general favorite lecture series you want to share, also post that. Basically

Lecture Series General
15 posts and 1 images submitted.
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I like the MIT ocw lectures for single variable calculus. I heard that some like the buff dude for calculus(idk the name of the youtube channel). Unaware of any chemistry lectures that are good. Also, tbqh would recommend learning from a textbook rather than from a person.
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>>8038151
Learn from a book rather than a video. You will take in half as much sitting and watching rather than reading, and there's much more space in a book to explain the subtleties.
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>>8038183
This, and if you read something several times and don't understand, then you can look into other sources for that topic like videos

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All right /sci/ I need your help. I'm currently a High School Senior and I'm seriously screwed in math. I'm passing Pre-Calculus with a C+ but I know that I'm going to really struggle in Calculus next year. Over the summer I was planning on doing all of the math modules on Khanacademy up to Pre-Calculus, and potentially to follow the steps on the /sci/ wiki. Anything else I can do to succeed in calculus next year?
11 posts and 1 images submitted.
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Honestly, I found Calc to be easier than pre-calc. Sure, you should study over the summer, but I wouldn't stress too much.
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http://www.mathguy.us/MathHandbooks.php

http://libgen.io/

stewart precalc (do all exercises cuz practice is what you need)

khanacademy (desu not a fan but you can use it if you want)

http://patrickjmt.com/

lrn2algebra (everything becomes so much easier)

this may sound silly but know how to do basic arithmetic quickly

download a calc textbook and get a headstart or preview some material. I'd recommend Spivak if you're hardcore enough but its unnecessary. (sidenote: understand the concept of limits really well because it appears everywhere in calculus. http://www.amazon.com/Concept-Limits-Dover-Books-Mathematics/dp/0486635430?ie=UTF8&psc=1&redirect=true&ref_=ox_sc_act_title_3&smid=ATVPDKIKX0DER you can read this with a good precalculus background)

don't cram for tests. Math is skill-based and you're gonna get fucked if you try and force it without practice.
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Are you planning on majoring in any field which requires you to take calc?

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And how much does a decent one cost?
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A waste of your time and money

Too much.

The only point to get an IQ test is to circlejerk about how well you did some some test. I recommend you do something better with your time and money.
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>>8037975
I'm just interested in seeing what my iq is. Not gonna brag about it.
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>>8037979
You do realize IQ means absolutely nothing right?

I will tell you right now, I assign the number 122 to you. Congratulations, you have your number now. You may continue existing as before.

Ronald Lawrence "Ron" Mallett is an American theoretical physicist, academic, and author. He has taught physics at the University of Connecticut since 1975. He is best known for his scientific position on the possibility of time travel.

More here: http://academicminute.org/2015/02/ron-mallett-uconn-theories-of-time-travel/


>Why didn't we heard of this /sci/???
43 posts and 8 images submitted.
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Doesn't he mean meet his dead father?
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>>8037782
I can't pretend to know as much as this man, nor can anyone on this site, but from what I do know, time travel can't go backwards, but forwards
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>>8037784
Kek

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I have to pull an all-nighter for an exam tomorrow. Got any tips?
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pic unrelated btw
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Literally /adv/
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>>8037667
Start studying 3 days ago

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Thoughts on ASMR?
16 posts and 5 images submitted.
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tried a few different ASMR videos on jewtube, chilled me out for a while, but vids that aren't roleplaying tend to get off track with what they say and throw off the relaxing vibe
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>>8037658
I used to not care for them at all and found them a waste of time

but recently, like in the last month, I got into them and started watching more.

What I used to find boring I now find... relaxing. still boring I guess, but in a good way.
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>>8037658
The fist time was amazing, now it doesn't produce something in me.

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Why are Wikipedia science articles written to be totally useless?

It's extremely easy to write them in a much more clear manner.
Take, for example, this segment of the "Quaternion" article:
>As a set, the quaternions H may be identified with R4, a four-dimensional vector space over the real numbers.

This is how Wikipedia decides to define the quaternion, with the most overcomplicated definition conceivable. To the layman who doesn't know what a quaternion is, it would sound like a quaternion is something so weird they can't even begin to understand the definition of it.
Well guess what layman, they could have just said "A quaternion is a number represented by a four dimensional vector".

And who's likely to be looking up what a quaternion is? People who don't know what quaternions are! Seriously, who goes to Wikipedia to find precise and rigorous definitions of things when that's something it's poor at doing?
Unless you so happen to have a very, very broad range of prerequisite knowledge, a Wikipedia science or maths article will only make sense to someone who already knows what's being explained.

So if any of you are Wikipedia contributors, stop doing this. Sure, it's impressive that you understand what you're writing, but it's totally useless. Maths and science must be taught in both their own terms and English; the former to ensure zero ambiguity, the latter to allow a basic understanding without having to go down a fractal of prerequisite knowledge.
45 posts and 6 images submitted.
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Cause that's what a quaternion is. Except you didn't post the full definition tard.
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Why don't you use the tard version of wikipedia then?

Simple.wikipedia.org
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>>8037612
Wikipedia isn't about education. It's about autists being as pretentious as possible.

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So the speed of light is really the speed of causality.

Why does causality have a speed and why is it 186,000 miles per second?
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>>8037430
dude...
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>>8037432
Come one, even Trudeau could answer this one
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>>8037432
...Weed.

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>"lives in"
>"kills"
>"guy"

Why the fuck do hack profs always do this? Are they retarded enough to really think this shit better teaches students?
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he's doing it to help students make associations with unfamiliar stimuli, and increase their memory retention and understanding

you still do it even now with virtually everything you learned as a child and did not reinforce or relearn as an adult, but usually its subconscious.
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>>8037412
>as opposed to all of the sources I don't have that says it doesn't?

wew
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>>8037412
I use those phrases to everyone, not just undergrads. Fuck you.

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I've been having trouble sleeping. Any advice on how I can fall asleep?
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>>8037329
Take enough lorazepam to pass out at 10pm
Take eugeroics or amphetamines when you wake up.
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>>8037329
Exercise regularly, stop eating processed foods, do not eat within 5 hours of going to bed, have regular sex, get more sunshine.

The biggest one is, "do not eat within 5 hours of going to bed." That's no soda or juice, just plain water if you need it.
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>>8037337
These "old wives tales" piss me off so bad. Everything from sleep to hair growth it's the same principle "one simple trick"-tier advice is patronizing as hell.
>>8037329
Sleeping pills duh.

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