purr changed the topic of #elliottcable to: a _better_ cult || topics << 'gamedev'
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<Cheery> I wonder about one quote of feynman
<Cheery> the one where he tells how to know whether you're right about something
<Cheery> "If you cannot see immediately that it is wrong, and it is simpler than it was before, then it is right."
<Cheery> there are lot of parallels with programming and science
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<purr\Paws> [System] ELLIOTTCABLE pushed 1 new commit to Master: https://github.com/ELLIOTTCABLE/System/commit/8bd5470ae46fae0604d16c792b61129dd3cf1057
<purr\Paws> System/Master 8bd5470 elliottcable: (new vim) OpenSCAD file support
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<incomprehensibly> alextextual5: oh wow nice!
<alextextual5> incomprehensibly: what did I say?
<alextextual5> lol
<purr> lol
<incomprehensibly> alextextual5: do you have it up anywherE?
<alextextual5> oh
<incomprehensibly> alextextual5: ik solver
<alextextual5> the ik solver?
<incomprehensibly> yeah
<alextextual5> incomprehensibly: not yet
<alextextual5> the one bit I haven't figured out is elbow joint
<alextextual5> geometry is hard :P
<incomprehensibly> how does one approach ik solving
<alextextual5> incomprehensibly: it's basically minimising a function in a multidimensional space
<alextextual5> incomprehensibly: so you have a variable for each joint
<alextextual5> and you want to find the collections of variables that leads to the hand being as close as possible to the target
<incomprehensibly> ooh
<alextextual5> you can do it iteratively to whatever precision you like
<incomprehensibly> so just like slide down the potential well?
<alextextual5> basically
<alextextual5> in six dimensions :P
<incomprehensibly> neat
<incomprehensibly> haha
<alextextual5> the hard bit is figuring out the geometry in 3d
<incomprehensibly> i haven't had any experience about http://en.wikipedia.org/wiki/Curse_of_dimensionality but it scares me
<incomprehensibly> idk if 6 is high enough :p
<alextextual5> incomprehensibly: I solved that by just reducing the number of initial guesses by the nth root
<incomprehensibly> how's that?
<alextextual5> so instead of taking exponential time, all that happens is that the chance that a solution will not be found increases
<incomprehensibly> ah
<alextextual5> of course if you try it in 100 variables you'll probably never get a solution
<alextextual5> but thankfully no arms have 100 joints :P
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<incomprehensibly> hahaha
<incomprehensibly> could you do something cool like
<incomprehensibly> heuristic dimensionality reduction
<incomprehensibly> like
<incomprehensibly> does that amount to full blown strong ai
<alexgordon2> LOL it's just a minimisation algorithm :P
<purr> LOL
<incomprehensibly> haha
<incomprehensibly> feels like that's what intelligence is
<alexgordon2> I'm convinced that intelligence == memory
<incomprehensibly> of course
<incomprehensibly> like depending on what state of mind i'm in sometimes it's obvious like
<incomprehensibly> if your short term memory is shrunk/less accurate
<incomprehensibly> you can't hold a convesration thread as well
<incomprehensibly> and then you really realize how much you take for granted the role memory plays in a conversation
<incomprehensibly> you know?
<alexgordon2> welllll
<alexgordon2> when you say someone is "intelligent" what they usually mean is that they have a good memory
<alexgordon2> like I was pretty good in school, I suppose, but I didn't feel smart
<alexgordon2> I just had a good memory to remember everything
<incomprehensibly> oh right
<alexgordon2> but from the outside, that's what intelligence is
<incomprehensibly> i was saying "intelligence" in the "what are brains" way
<incomprehensibly> but i also really agree with that
<incomprehensibly> like, when i help my friend with his cs homework then usually it's like
<alexgordon2> I'm sure if you go to a really smart person and ask them if they're intelligent they'd say the same thing "nah I just have a good memory for X"
<incomprehensibly> i've seen the shape of this problem before, read a blog post about it, or something
<incomprehensibly> i've just amassed enough facts, though some are kind of abstract facts
<alexgordon2> right
<alexgordon2> the other aspect of intelligence is of course creativity, aka the opposite of risk aversion
<alexgordon2> (this feels like a lesswrong thread LOL)
<purr> LOL
<incomprehensibly> haha
<incomprehensibly> i really like lesswrong although i really hate it
<alexgordon2> it's a bunch of smart people talking about things they know nothing about
<incomprehensibly> like i want to have that kind of conversation all the time but i also hate the kind of people who talk about it
<incomprehensibly> :p
<alexgordon2> life's too short to not ponder these things though :P
<incomprehensibly> also everyone's way too sure they've taken into account every bias and thought of every possibilit
<incomprehensibly> y
<incomprehensibly> definitely
<alexgordon2> but anyway, some people are really set in their ways and only do things "by the book", you could call them "uncreative" or "risk-averse"
<alexgordon2> other people go complete insane like elliott
<incomprehensibly> haha
<alexgordon2> sometimes they win, sometimes they lose
<alexgordon2> but they're more likely to hit on a winning strategy than the uncreative people
<incomprehensibly> mhm
<alexgordon2> einstein could have been completely wrong
<incomprehensibly> i think about this a lot regarding making music/art
<alexgordon2> if so we would never have remembered him, he might have got in physics books as a footnote
<incomprehensibly> like i'm sometimes worried the way i think about music is too like calculated/career-focused
<alexgordon2> but he took risks with his theories (in addition to having a good memory) and that's how he was sucessful
<incomprehensibly> like people say "just make what you like"
<alexgordon2> incomprehensibly: yah, well I've said for a long time that music is just another natural language and should be taught like one
<incomprehensibly> but i want to make something that 1. i will love and 2. will have a chance at some level of commercial and critical success
<incomprehensibly> :p
<incomprehensibly> like luckily self consciously sticking to what you love in the face of like commercial pressures can sometimes be better for both those things
<incomprehensibly> but yeah
<alexgordon2> incomprehensibly: today is the best time, pretty much ever, to be a musician
<alexgordon2> I can put a recording studio in my backpack
<alexgordon2> it's insane
<alexgordon2> the first time I did it, I couldn't believe it
<incomprehensibly> haha
<alexgordon2> I was like "I HAVE A FUCKING RECORDING STUDIO IN MY BACKPACK"
<alexgordon2> anybody can put out an album now
<incomprehensibly> i just don't put mine in my backpack a lot because i'm scared to damage it :p
<alexgordon2> they just need musical ability, and a quite space to record in
<alexgordon2> *quiet
<alexgordon2> even 15 years ago that was unthinkable
<alexgordon2> if you were a musician you had to go to a recording studio and pay a ton of money
<incomprehensibly> making something lo fi has way less meaning now
<incomprehensibly> like it's a gimmick rather than a significant economic choice
<incomprehensibly> or an economic reality