Ok, “Pi versus Tau” … discuss.
lol
Cards on the table, this is the first time I’ve ever heard of tau. Now you’ve gone and done it. Well done. Just when I thought I was making progress with these number things.
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In elementary school, my kids always celebrated Pi day and I always tried to suggest that they should argue for a Tau day… then I thought about it and the school year ends before Tau day… so not as cool.
Anyone reading this, you can get a decent introduction here:
And if you’ve never come across vihart before, well, you’re welcome. Generally delightful math videos and I almost always learn something that makes me think about something differently.
Okay, this thread has been hijacked now. Don’t really like that…
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Sorry about that… but at least we snipped off the other conversation. So any further conversation about the original post should benefit from the palate cleanser. 
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Okay 