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About Delay

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  • Location Observable Universe
  • Interests Maths, Physics, Biology; Science in general
    3D-Modelling, Music

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  1. Delay

    what is geo orbit

    Why so complicated? GEO is simply an orbit where the satellite's angular velocity matches the angular velocity of Earth. If Earth travels 30° in 2 hours, so does the satellite.
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    Thread to complain bout stuff

    There was nothing to do in today's math class, so the teacher decided that we'd watch a lecture about the Mandelbrot set. He gave us a quick introduction to complex numbers and the complex plane (as neither of these things will ever be relevant for school here) and then opened the lecture. And that's when the internet broke down, which worked perfectly fine just a few minutes ago.
  3. Delay

    What did you do in KSP today?

    1.5! Accidentally made an SSTO. But that allowed me to test the new maneuver nodes with staging in between! The "Start burn in:" timer actually needs to be enabled in the settings; it doesn't come as default, strangely enough. The timer actually turns yellow for the last 10 seconds of the countdown:
  4. Delay

    What did you do in KSP today?

    I worked on my Principia career again. Did a contract involving temperature surveys of the Mun... ...on the ground. Leaving Kerbin behind: Actually getting pretty close to the ground while still at >500m/s.
  5. It's explained in the Principia FAQ as to why it's not possible to have a stable Ike/Duna L5 or L4 orbit. Off the top of my head, I think it has something to do with Ike being too massive (or too close) to allow for a stable Lagrange point.
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    Thread to complain bout stuff

    Wait, so the equator is colder than our summer here at ~50°N?
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    Thread to complain bout stuff

  8. Delay

    I skydived a few days ago!

    How can you jump out of a 172? You have a big strut in the way, don't you?
  9. Delay

    What did you do in KSP today?

    How KSP distorts the perception of speed.
  10. Delay

    Thread to complain bout stuff

    so the only way to then change n is another f = make_incrementor(another value)? The value you'd normally type in (as f(value)) is instead used as x and n is unchanged?
  11. Delay

    Thread to complain bout stuff

    Not really helpful?
  12. Delay

    Thread to complain bout stuff

    How do you know that x is modified by f()? Because looking over it, it looks like n is being redefined every time.
  13. Delay

    Thread to complain bout stuff

    ...but what happened to the second variable before the colon? a, b: a+b, but in the actual example there's just one. and x still is never defined to be any value. Does Python default to 0? Because If I understood it correctly the default for any unspecified value is "None".
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    Thread to complain bout stuff

    Remember how I wanted to learn Python? Yeah, they lost me. (Actual part of their tutorials, I didn't write this (otherwise I wouldn't be complaining)) >>> # Measure some strings: ... words = ['cat', 'window', 'defenestrate'] >>> for w in words: ... print(w, len(w)) ... cat 3 window 6 defenestrate 12 Okay, I understand what "words" is. But "w"? Where did that come from? What does it represent? And as soon as they got to this point ON THE SAME PAGE, I gave up completely: >>> def make_incrementor(n): ... return lambda x: x + n ... >>> f = make_incrementor(42) >>> f(0) 42 >>> f(1) 43 Just... what's "lambda"? "This function returns the sum of its two arguments: lambda a, b: a+b. " I don't see two arguments anywhere. Just x on one side and x + n on the other. And x is also never defined, isn't it? Yet it works? Maybe I'm just too dumb to figure it out, but it doesn't seem like their own definition fits their own example which they gave just a few lines below. I mean, it works. I could theoretically use these in code and be done with it. But I don't get why it works and as long as that isn't the case I'm not going to use it anywhere.
  15. Delay

    You Know You're A Nerd When:

    I thought of a "new" algorithm for the Rubik's cube... while sleeping. It saves exactly 1 turn (my goal here is not to solve the cube in the fastest way possible, but rather to come up with unique algorithms - completely by myself). So I guess "You Know You're A Nerd When:" you're spatial thinking is on point, even while you're sleeping?