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/sci/ board - Science & Math - June 2014

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Most viewed threads in this category

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http://www.youtube.com/watch?v=IgCpa1RlSdQ&feature=player_detailpage#t=83 ahahahahah.. ahahahahahahhahaha.. ahahahAHAHAHAHA.HAHAHAHAHHAH
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A helping hand from scientists?! >>>/fit/27147417
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Help me med students. I have a lump on the back of my neck. It's smallish, but feels pretty firm, only on one side (right side) kinda feels like a knot where the muscles are. I've only noticed it today but its freaking me out. I'm already planning on scheduling a visit to my PCP but what are the possiblities it could be that I should prepare for? >inb4 its cancer I already know that it might be ya douche
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Why films depict people licking heroin/opium to test its purity? Does it cause a rush or does it cause tingling like cocaine does...or does it just have a specific taste. Pic unrelated.
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When is it too late to become a physicist? I'm 25 and have no mathematical background besides algebra. I have a strong desire to become mathematically inclined but I wonder if it is to late to follow my dreams. Should I give up or pursue college at what seems like a late stage? I would probably need more than the normal math requirement considering I doubt I would score high in a placement test so this may take some time.

IQ tests

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Last time I took an IQ test a few years ago I got 140, but I always felt like i was just making the best guess I could, is there a resource with all of the actual patterns/answers behind the types of questions given? I want to know when i was right and wrong.
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How is it possible that a bunch of atoms spontaneously start having a conscience?
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Hi /sci/ is there any way I can enhance my logic and reasoning skills? >inb4 wear a fedora
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Hey, i need some help with something. If i were to put a long block of ice in a box, and then heat up the other end with something far more hotter than the waters boiling point - and then cool down the other end of the block with something very cold. >Would the block be boiling at the other end and be solid in the other? Im just assuming the middle part would go liquid. This is basically the same question as: > if i stick a very hot piece of metal into a lake, would the water surrounding the metal start to boil, without the whole lake boiling?
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What's the minimum amount of intelligence required to solve Schrodinger's cat paradox?

Architecture

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A friend of mine in prison needs to learn Trig and Geometry for her courses. Are there any specific textbooks or workbooks that you guys would recommend? Thanks everyone.
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I'm not sure if this thread belongs here, but I don't know where else I could post this besides /b/ and I'd rather avoid that. A friend of mine and her son visited from Russia and stayed at my house in Florida. We went to Marineland and there was some dolphin performance going on, but when the trainer gave the dolphin a fish, the dolphin just threw it straight at her son. At the time we thought it was just the dolphin fucking around and being a dick, but then we went to the aquarium section of it and when we got near the octopus exhibit, the thing changed colors rapidly and started attacking the glass when her son got close. We went home after that, and a few days later decided to go to Alligator Farm, and everything there was normal except for when we went to the snake exhibit and the kid got close to one of them, the snake started trying to attack him through the glass, to the point where it was actually hurting itself by hitting the glass and the supervisor there kicked us out. I know animals act weird around retards sometimes, but the kid seemed normal and she said that he was never diagnosed with anything. Is there any explanation for everything hating him?

Comets

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Hey /sci/ I have always wanted to see Halley's Comet but I wasn't born when the last one came in 1986 and the next one is in 2061 and I might not be around then. So I was wandering if you guys could recommend any other short period comets that will come around sooner and would be worth seeing. I know I will have to view them with a telescope. Pic related it is Halley's Comet. Also general Astronomy thread.
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Why is it that we experience acceleration, and not velocity? Or why not go the other way and feel jerk?
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Which one is faster? They both travel the same distance. But which one do you think is faster?
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Do you think Science will eventually be able to explain everything? Or are some things simply beyond human understanding?
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Hi /sci/. I have a probability question that I don't think I have a handle on. Basically I've started entering into some free online raffles and I'm trying to figure out the probabilities of winning over time (for "fun"). Basically I'm operating on an assumption that each raffle is 1/1000 (I can only have one ticket) and I'm entering about 100 a day. That means that my probability of winning at least one raffle each day is 1 - \left(\left(\frac{1}{1000}\right)^{100}\right), or 9.52%. Where I'm struggling is how to calculate my chances of winning at least 2 per day (or any other time period). Thought I would just try squaring my 1/day result but that falls apart at higher entry rates (for example the chances of winning twice in 1400 entries is greater than the chances of winning once in 700 entries, which is logically impossible I think). Any help would be cool I guess.
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Why do we never answer the question, "How do we evolve?"
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Is this a kissing bug. Please tell me. This dude bit me on my scrotum. Had a sore spot but now it seems negligible. I m afraid if this is kissing bug as it can spread Chagas Disease.

Not Another 1=0.999... or Consciousness Thread (You Should be Glad)

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What's a comprehensive, intuitive machine learning textbook? Something with a lot of practical exercises would be good (or I'm happy to take a recommendation for a separate exercises textbook). What I want it for: - To better my natural language processing (NLP) madskillz My current knowledge: - Bachelors in software engineering - Jurafsky and Martin's introductory NLP text - ??? - PROFIT! Pic related, the kernel trick (which I sometimes call a "kernel hoe," but it confuses people. I don't know why.)
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