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/sci/ Science & Math

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Most viewed threads in this category

52 more posts in this thread. [Missing image file: ]
>mathematicians can't even agree on whether zero is a natural number This is why no one takes you seriously, mathfags.
86 more posts in this thread. [Missing image file: ]
explain this
89 more posts in this thread. [Missing image file: ]
post women and their achievements you unironically respect starting with the obvious >Marie Curie >nobel prizes in physics and chemistry she might just be the most decorated female in science
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are there any good sci-fi series out there, lately? recently i got hooked on "the expanse" but hell, where did that genre go? (appart from shitty productions with political correctness aka "we need at least a homosexual and a black on the cast and make the targeted audience 12-16) any good recommendation and in case you didn't watch it: watch it. (it's even close to the books)
78 more posts in this thread. [Missing image file: ]
>in my class we're going to do things a little differently. I'm not big on quizzes and tests, because I want you to LEARN
23 more posts in this thread. [Missing image file: ]
Is time travel compatible with determinism?


7 more posts in this thread. [Missing image file: ]
Why does this happen in LaTeX? How does the typesetter print the text portion of the document correctly, but fail to print any of the math symbols correctly?
16 more posts in this thread. [Missing image file: ]
Why isn't anime real?? Im crying wtf... I just want it to be real so bad but it's not.... why not? Why can't it be real???
14 more posts in this thread. [Missing image file: ]
MATLAB or python for an aspiring mechanical engineer?

von Neumann mode

7 more posts in this thread. [Missing image file: ]
How do I into von Neumann mode? I already got the overeating habit covered
130 more posts in this thread. [Missing image file: ]
I'd like to see what everyone else scores on this personality disorder test. If perhaps there's any correlation with neuroticism and intelligence (I like to think rather intelligent people do flock to /sci) http://www.4degreez.com/misc/personality_disorder_test.mv
15 more posts in this thread. [Missing image file: ]
A friend of mine in the service said when he was stationed in the middle east, his ship would routinely reach temps of 190F. That can't be right? Everything I've read says you'll pass out of hyperthermia within 10 minutes of 130F and higher.
1 more posts in this thread. [Missing image file: ]
When is /sci/ gonna admit that collectively this whole board has knowledge of biology comparable to an intro course in college and stop feeding into /pol/'s stupid bait? Seriously though, it's just really sad to watch smart people argue with so many terrible assumptions.
23 more posts in this thread. [Missing image file: ]
this is like knowing there's two possible answers, but choosing to pick a 100% wrong answer instead.

Microwave Safety

22 more posts in this thread. [Missing image file: ]
Whenever I go to microwave a burrito, I make sure to stand away from the front of the microwave. I'm afraid that some of the microwaves will seep through and energizing my balls. Can someone explain the science behind the safety measures in place with a microwave? How can it be that the sheet with the little holes in them are blocking microwaves 100%?

EM Drive Passed Peer Review

39 more posts in this thread. [Missing image file: ]
http://www.ibtimes.co.uk/emdrive-nasa-eagleworks-paper-has-finally-passed-peer-review-says-scientist-know-1578716 What now, anti-science pessimist-fags?
49 more posts in this thread. [Missing image file: ]
ITT: We tell ourselves the truth that hurts us the most. It will apply to others. >You pretend like you are an expert in your field but you will never publish something substantial in a decent journal.

Projective Geometry section 2: Perspecivities and Projectivities

18 more posts in this thread. [Missing image file: ]
To continue, we need tools to examine the projective plane we work with, like circles in ancient Greek geometry. We introduce the most fundamental of those tools here, but before we define it, we need a few definitions. The set of all points incident to a given line is the [math]\textbf{range}[/math] of that line. The set of all lines incident to a given point is the [math]\textbf{pencil}[/math] of that line. In a projective plane, let ranges and pencils be [math]\textbf{incidence sets}[/math]. The incidence sets of the point p and line L can be written as In(,L) and In(p,) respectively. Before we explicitly define this tool, we demonstrate it with the proof of the following theorem: Theorem 2.1: Any two distinct ranges from the same plane have the same cardinality. Proof: We observe that every line has a unique range and vice versa, thus the two resultant lines, which we call A and B, are also distinct. By Axiom 5*, we have a point o not incident to either A or B. Now, consider the following function. [eqn]\begin{align*} Pe : In(,\textup{A}) &\to In(,\textup{B})\\ \textup{a} &\mapsto \textup{B[oa]}. \end{align*}[/eqn] The construction of the points B[o?] for points on A is shown in the pic. If d and e are any distinct points on A, then the lines od and oe are distinct lines which meet at o. Since o does not lie on B, then by Axiom 1, the points B[od] and B[oe] are distinct. Since d and e were arbitrary, then Pe is injective. Now take an arbitrary point x on B. Let z = A[ox]. The point z exists and lies on A, so Pe(z) exists. {z, o, x} is collinear and x lies on B, so Pe(z) = B[oz] = x, thus Pe is surjective. Since Pe is surjective and injective, it is a bijection between In(,A) and In(,B), thus they have the same cardinality. # The function used in the proof above is the tool we seek, which we will formally define in the next large post.
1 more posts in this thread. [Missing image file: ]
Is there a scientific cure of homosexuality? Is there any research going on?
2 more posts in this thread. [Missing image file: ]
What do you snack on while studying? pic related is god tier

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