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1. LS (lain@lain.com)'s status on Monday, 30-Dec-2024 22:25:34 JST LS
   A video about something i've also learned about recently, that there are indeterministic solutions for some newtonian situations. The example given here is that of a ball that sets motionless on top of a dome, but one solution makes it spontaneously roll down at an arbitrary time.
   
   I think she might be concentrating too much on the math of the situations, so everyone in the comments tries to disprove this by arguing about technicalities. She does mention the important part: newtonian laws are time-reversible (i.e. you can let time run backwards and the same laws apply). That means that if you can give a ball a push that's just the right amount to let it sit motionlessly on top of the dome for the rest of eternity, the opposite must be true, too.
   
   https://www.youtube.com/watch?v=EjZB81jCGj4
   • cell classic (cell@shitposter.world)'s status on Monday, 30-Dec-2024 22:34:23 JST cell classic

     in reply to
     @lain spherical cows considered harmful
     LS likes this.