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Answer these questions if you know them

Discussion in 'Off-topic Discussion' started by Deleted Account, Nov 29, 2017.

Would you like to help others by sharing your knowledge?

  1. Yes

    8 vote(s)
    72.7%
  2. No

    1 vote(s)
    9.1%
  3. I don't have an opinion

    2 vote(s)
    18.2%
  1. Hey guys!
    Since there are a lot of people here, who know many things, it is useful to utilize this site in learning things from others. Use this thread if you have any questions, doubts, or random facts to post.

    When you are answering someone's question, please quote the post in which they've asked, so that the person asking will be notified when he gets an answer.

    Let's make nofap brighter by sharing our knowledge among others :)
     
  2. How does an AC generator work?
     
    sparkywantsnoPMO likes this.
  3. sparkywantsnoPMO

    sparkywantsnoPMO NoFap Moderator & Yeoman

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    Shortest answer: It converts mechanical energy into electrical energy.

    When you have a conductor (wire), a magnetic field (from an electromagnet), and relative motion between the two (normally we spin the magnet), a voltage is induced in the wire which can be used for electrical service. The most common produced is 3 phase AC, meaning there are 3 pairs of windings around the generator (the shape is round, but imagine a hexagon, with opposite sides being paired off).

    A few assumptions are made:
    - We label the pairs A, B, and C
    - Each pair has a prime (A’) and unprime (A) winding.
    - We assume a direction of rotation, such as clockwise.
    - When the North pole of the magnet is directly pointed at the unprime winding, a maximum positive voltage is induced (therefore, when the N pole is on the prime winding, a max negative is induced.)

    All this allows three AC sine waves to be produced simultaneously, and are often used in industrial applications in 3phase motors. Why? Have you ever seen a movie with old ships? When they raised the anchor, there was a large spindle everyone would walk around, right? Now, what makes that go around easier, 1 person, or 3 (or 6)? Same principle. Easier work loads mean lower amperages. Amperage is flow. More flow is more movement. More movement causes more heat (think friction.) More heat means more lost energy (and damaged equipment / fires from the heat).

    Also, the higher the voltage (think pressure), the lower the current needs to be for the same power requirement.
     
    • Beethoven was a black and not white, like fake paintings famously depict him as.
    • Holocaust killed hundreds of thousands Jews and not millions of Jews. The fake misconception is due to fake news that was printed in newspapers. Unfortunately there were no internet back then and people couldn't just check facts themselves, so fake stuff got into history books.
    • Thomas Edison did not invent the light bulb. The real inventor was Warren de La Rue around 40 years before that. Lewis Latimer, another black man, perfected the design making it commercially viable. Edison merely took the credit and got famous for it, because Latimer being black couldn't do anything about it.
     
  4. MLMVSS

    MLMVSS Fapstronaut

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    Don’t know where you got the first 2 alternative facts from. Beethoven was famous in his lifetime, unlike Mozart, and his image was well-known and well-documented.

    As for the Holocaust, there indeed is heavy emphasis on Jews rather than the millions of Poles, Russians, handicappeds and POW’s that were also killed, but there were definitely Jewish deathcounts that exceeded the million mark. German census records, Axis archives and investigations after the war give us the current estimates.
     
    Deleted Account and DarkwingDuck like this.
  5. Hard gainer

    Hard gainer Fapstronaut

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    Really???
     
    Deleted Account likes this.
  6. Thanks a lot, sparkywantsnoPMO. It's pretty clear and straightforward :)
     
    sparkywantsnoPMO and MLMVSS like this.
  7. Wish such facts come up in our textbooks, so that we don't simply glorify people who don't deserve it.
     
  8. what is impact parameter in rutherford's atomic model?
     

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