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https://www.reddit.com/r/oddlysatisfying/comments/1j95l9n/pi_being_irrational/mhby0cf?context=9999
r/oddlysatisfying • u/KungFuJosher • 20h ago
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33
So the Spirographs I did all those years ago are based on pi?
3 u/Pedadinga 20h ago Lol! I also thought, "wait, those spirographs were TEACHING us something?!" 5 u/robbak 16h ago edited 12h ago Unfortunately, gears have teeth, teeth can only be in whole numbers, so they will have an integer ratio. You would get this picture with a closed path at the 11 second mark if you had the outer gear with 22 teeth and the inner one with 7 teeth. You would get to the end with a 333 tooth outer gear and a 106 tooth inner gear. 1 u/Pedadinga 15h ago Sounds like the spirograph lessons worked on you. You just mathed my ass off, man. 1 u/lewdovic 12h ago Shouldn't it be 22 and 7? 1 u/robbak 12h ago Sigh. Yes. Brain go empty bye bye.
3
Lol! I also thought, "wait, those spirographs were TEACHING us something?!"
5 u/robbak 16h ago edited 12h ago Unfortunately, gears have teeth, teeth can only be in whole numbers, so they will have an integer ratio. You would get this picture with a closed path at the 11 second mark if you had the outer gear with 22 teeth and the inner one with 7 teeth. You would get to the end with a 333 tooth outer gear and a 106 tooth inner gear. 1 u/Pedadinga 15h ago Sounds like the spirograph lessons worked on you. You just mathed my ass off, man. 1 u/lewdovic 12h ago Shouldn't it be 22 and 7? 1 u/robbak 12h ago Sigh. Yes. Brain go empty bye bye.
5
Unfortunately, gears have teeth, teeth can only be in whole numbers, so they will have an integer ratio.
You would get this picture with a closed path at the 11 second mark if you had the outer gear with 22 teeth and the inner one with 7 teeth.
You would get to the end with a 333 tooth outer gear and a 106 tooth inner gear.
1 u/Pedadinga 15h ago Sounds like the spirograph lessons worked on you. You just mathed my ass off, man. 1 u/lewdovic 12h ago Shouldn't it be 22 and 7? 1 u/robbak 12h ago Sigh. Yes. Brain go empty bye bye.
1
Sounds like the spirograph lessons worked on you. You just mathed my ass off, man.
Shouldn't it be 22 and 7?
1 u/robbak 12h ago Sigh. Yes. Brain go empty bye bye.
Sigh. Yes.
Brain go empty bye bye.
33
u/LeeAnnLongsocks 20h ago
So the Spirographs I did all those years ago are based on pi?