http://www.bbc.co.uk/news/science-environment-13906169
http://www.youtube.com/watch?v=jG7vhMMXagQ
They should teach that in schools or something.
To PI or not two PI
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Clay_Pigeon
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Forget standards, start a revolution comrade!Clay_Pigeon wrote:QUOTE (Clay_Pigeon @ Jun 28 2011, 05:58 PM) Just tell me which is going to be in the state's standards, and that's what I'll teach.
Just tell them to write τ=2π at the start of their working for each question involving PI - the examiner can't fault them then (by claiming that tau is undefined where as pi is)
I like that if you think of a tower (a round one), the circumference is τr [tau r, or 'tower' ] - thus the circumference of a tower is tower.
Last edited by madpeople on Tue Jun 28, 2011 8:45 pm, edited 1 time in total.













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