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/sci/ Science & Math

Threads added between 2015/12/09 and 2015/12/16

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Most viewed threads in this category

21 more posts in this thread. [Missing image file: ]
I'm a math major and I got a C+ in Calc 1 do I have a future yes or no
28 more posts in this thread. [Missing image file: ]
Do you skip social events to study math, /sci/?
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The Earth is shaped like a giant doughnut. Prove me wrong. Protip: you can't.

Is angle a vector

21 more posts in this thread. [Missing image file: ]
I am a bit confused, since I passed my course in linear algebra few years from now. If I can make a vector space over field R which has angles as elements, then angles are vectors. So i know that angles can't be vector, but I see vector space (V, +, *), where set V contains some angles in Radian or whatever and I can see that these condition work. 1) (V,+) is a group 2) a*(u+v) = a*u + a*v ... and so on by definition. So what am I doing wrong?
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can anyone explain what the overflow detection mechanism works in a 1-bit alu? i dont understand how im suppose to make this module. i have everything else set up starting at basic gate levels, then building up from there, using 1/2 adders, to make full adders, 2x1 multplexer to make 4x1 multplexer, but i dont know how to design the overflow detection at the gate level, and all diagrams i find just have a 5 wires going into the circuit, and 1 coming out. so i dont really know what it is.. >pic related
10 more posts in this thread. [Missing image file: ]
Who /EngineeringDropout/ here? Finals are next week and I don't think I'm gonna make it.
36 more posts in this thread. [Missing image file: ]
Comment your schedules for next semester Statistics II Orgo I Macro behavioral neurosci seminar (I go to a school where every class is half a semester) Also, I take pretty fire flames notes, do people post their notes on here for people to use as a reference? If not, would anyone be interested in reading mine for any of the aforementioned courses?
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Galaxies just don't spiral and move like they do unless either you add in a shitload of uncounted mass or seriously fuck with the equations for gravity. Most scientists decided there was 'dark matter' and 'dark energy' which is matter and energy that we cant see and only interacts with other matter gravitationally. Kardashev scale is a proposed mechanism to measure the development of a technological civilization. A type two people will capture the entire energy output of there star. Now what would this look like to an external observer? You would have the mass of a star still pulling on the bodies around it but you would not see anything. What if the universe is teaming with intelligent life and we just don't understand what we are looking at.
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is it illegal to breed these things i know its illegal to send them into space but thats because other stuff not related specifically to owning and raising lots of these
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What would you do with unlimited energy, with the exception of exploiting it for money purposes?
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Serious question, how come doctors get so much pussy and social status? Yet being a phd in math/physics is mostly irrelevant and no one cares, in fact I think some people look down on us as losers. But doctors are like rockstars at parties or social events.
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Why do humans naturally segregated themselves based on appearance/race? It seems to be the case in closed environments like schools and prisons.
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Imagine a future where instead of creating something like Zumwalt, we create an equal tier spaceship.
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Give me a god-tier science fair experiement /sci/ I want to prove my sons idea to use berries to kill cancer cells is shit.
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Could information move faster than light?
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Does knowing science make you a better person?
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Does anyone here understand this theory? https://www.youtube.com/watch?v=7nMS5jJQP8c I stumbled upon it while searching for a scientific explanation of consciousness. Unfortunately my physics background isn't very strong. Can someone who works in the field tell me whether the video is a valid solution to the hard problem of consciousness or just philosophical nonsense?
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How fast is the earth moving relative to a stationary object?
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"To view nature scientifically is to view it in a purely "objective" manner. The methods of science are by their very nature detached, dispassionate, and impersonal. They are designed to filter out distortions of human bias, pre-conception, and wishful thinkin and to present us with an unvarnished description of the facts, those facts that would remain were human beings to vanish from the unvierse. The scientific facts are the elements of nature that can be quantitatively analyzed, subsumed under formal pawls, comprehended as the outcome of efficient causes or statistical probabilities, and subjected to rigorous empirical tests. These elements, taken collectively and in the network of their relationships, constitute the whole of nature as scientifically conceived. Existential meanings, values, and the qualitative dimensions of human experience have no place in this picture of nature, because they are not among the objective facts of the “world out there” but only projections of human subjectivity. Just as scientific methods of investigation and confirmation are meant to filter out distortions of subjective preference and value, so the scientific descriptions that result from these methods are descriptions of a nature completely objective and value-free. If the techniques of science the only ones suited to give us reliable information about nature, it then follows that nature as properly understood is devoid of value and oblivious to human purposes and non-scientific meanings." The nihilist view of empirical science. Discuss.
6 more posts in this thread. [Missing image file: ]
Does sleeping on your back give you nightmares? There was a thread on robotland I was lurking, and everyone there said that they had weird, scary dreams while sleeping on their backs, and this was not the case when sleeping on their sides. I get nice, pleasant dreams and a full sleep when I sleep on my back. So, is this the result of blood rushing to certain parts of your brain due to position you are sleeping in? Is that even possible? So, if you make babies sleep one way only (they move, obviously, but you still can make them lay down in a different position initially) will different parts of the brain, that are better simulated by blood develop differently? Will this be the same for adults? Is cranial volume a big factor in this, or is the size of your brain (because brains shrink as you age/don't use them)? What is the possibility of such recurring phonomenon (weird dreams while sleeping on back) being integrated in neural circuits after a certain period of time and set repetitions? All of this assuming the person is healthy, does not have any breathing problems in any position while sleeping and mentally sound.






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