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/sci/ Science & Math

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Most viewed threads in this category

14 more posts in this thread. [Missing image file: ]
Has anyone tried to solve this question. I'm normally pretty good at maths but this one is fucking me up hard. Granted word problems have never been my strong suit. >A monkey and his uncle are suspended at equal distances from the floor at opposite ends of a rope which passes through a pulley. The rope weighs four ounces per foot. The weight of the monkey in pounds equals the age of the monkey's uncle in years. The age of the uncle plus that of the monkey equals four years. The uncle is twice as old as the monkey was when the uncle was half as old as the monkey will be when the monkey is three times as old as the uncle was when the uncle was three times as old as the monkey. The weight of the rope plus the weight of the monkey's uncle is one-half again as much as the difference between the weight of the monkey and that of the uncle plus the weight of the monkey. >How long is the rope? >How old is the monkey?
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So /sci/ learning to be ambidextrous is a bad idea? http://io9.com/why-training-yourself-to-be-ambidextrous-is-a-bad-idea-458673693

Elite Kids

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I'm not well-versed on the human brain, and I'd like to know something. What do you think is the ideal age to make a child read a complex, 'adult' book? I want to exercise the critical thinking of my little brother who is 7. I thought about forcing him, or at least encouraging him to toroughly read great books like War & Peace, The Gulag Archipelago, aswell as The Red Wheel. I want him to become diligent and disciplined, this is why I believe it would be a good idea to make him start much, much sooner. I'm French, and I also thought about teaching him Latin and English. I also decided to increment a few advanced algebra and geometry exercises so he gets accustomized to logical thinking. Do you think this is too much for a kid whose balls haven't even dropped yet? Is he too young? Alternatively, do you have some books for this purpose? By the way, my goal would be to make him join a Grande Ecole (France). This is why I'm counting on this to improve his reasoning skills, along with his short-term memory.
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Hey /sci/, I seem to be dumb, so explain me 2 things: 1. You can exceed the speed of sound, but you can never exceed the speed of light; there seems to be a barrier. Why? 2. Why does time slow down at near lightspeed?
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ITT We post operators operating
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100.0 ml HCl of 0.1 M mixes with 300.0 ml NaOH of 0.1 M What is the pH of the solution?

Feminine Science

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http://blogs.plos.org/biologue/2014/05/06/scientists-ignore-female-genitalia/ So, how do you think science might be different if it had been developed with a feminine perspective? Are there potential insights that mainstream thought has made us blind to? I believe that there would be a much higher priority on into practical, daily life kind of things--nutritious, sustainable food distribution, better lifestyle (not this one-size-fits-all capitalist garbage), and psychology would actually not be vague proto-science. Medicine would probably be about the same. On the downside, there'd potentially be a lot less research into aerospace, exploration, far-out dreamer stuff.
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What do you think is the most scientifically plausible superpower?
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anyone kind enough to explain to me why the column space of a matrix has the same dimension as its row space
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Starting from page 16 in the pdf below, you can read the math entrance exams for the University of Tokyo. http://www.maa.org/sites/default/files/pdf/programs/JUEEDocument.pdf I don't think I'd be able to solve most of the questions when I was 18. I heard the exams for École polytechnique also are extremely hard, but since I can't read french, I can't find them on the internet. How are students selected for universities in your country? If it's through entrance exams, are they hard?


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I'm 23 and I want to learn how to code. Any one self taught here??
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Anyone here every make a radical change of feild? I'm just on the cusp of my Biomedicine undergrad and I'm not really feeling it anymore. Like at all.
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/sci/, help me prove this wrong.

Is 0 a natural number

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What are good reasons for 0 being a natural number and reasons against it?
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Can anyone recommend a good calculator for windows or linux?
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/sci/, how can i convince my friend that atoms are real?
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So lets say you figured out everything about prime numbers, how can you apply this knowledge to make something useful? Sorry, I'm just trying to figure out why there is all this hullabaloo.
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Who here is getting a PhD? hard-mode: uni with name recognition extra-hard-mode: top 5-10 in the field
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I've always found it funny that we're scrambling for energy down here on earth, given that the actual needs of our entire civilization are vastly miniscule compared to cosmic energy. Has anyone ever considered how we would go about extracting energy from the cosmos? What would be the most available? The most dangerous The most obvious The most fascination The most efficient collecting ionized particles from gas giants? Destabilizing planetary bodies for kinetic values? Black hole turbines? Mining tectonic moons? (our own planet is tectonic but mining it for energy is probably a bad idea, inb4 superman)

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