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User: pyrognat

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  1. Re:How is this different... on Scientists Discover a Way To Get Every Last Drop of Ketchup Out of the Bottle (bbc.com) · · Score: 2
  2. professors on Interview: Ask President Anant Agarwal About edX and the Future of Education · · Score: 4, Insightful

    Dear Anant,

    I am a young researcher at your own institution. One might think that online courses (such as those offered by edX) will make professors (at least those who teach) obsolete. What role do you see professors playing in the future of education? As someone on that career path, I am particularly interested in your views.

    Sincerely,
    Nathaniel Stapleton

  3. Re:There are other, less tricky, proofs on Proving 0.999... Is Equal To 1 · · Score: 1

    There is meant to be a "less than" in there: |1-x| is less than e.

  4. There are other, less tricky, proofs on Proving 0.999... Is Equal To 1 · · Score: 1

    For instance, one could take the perspective of analysis. In the real numbers, given a number such as 1 and some other number x, if |1-x| e for any positive real number e then 1 = x (think about this for awhile, if you haven't before, and you will probably believe it). The point here is that the sequence of numbers .9, .99, .999, .9999 etc gets arbitrarily close to the number 1. So the limit of this sequence .999... = 1. I think that this proof is much more intuitive and less "tricky" (ie. does not rely on algebraic manipulation/slight of hand).

  5. not which game, how long on Correlations Between Video Games And Academic Achievement? · · Score: 1

    As a gamer I realize that skill comes with time and time is the deciding factor, the test should be based on how long people spend playing, not trying to rank their current ability. Maybe you could take into account what genre of game the person plays most, also. Do it by time spent playing video games vs. academics. The results would really be interesting if it turned out that the more time spent playing, meant the better grades.