Happy Pi day 2021!

Happy Pi day! Hope you are enjoying making pie (within your household/pod) and learning some new math stuff today! Matt Parker has an interesting video up on an attempting to calculate pi from a diameter of one-molecule thick droplet spreading on water:

Note that he sarcastically calls this a “great” approximation as even with a not entirely circular and accurate measurement it still gets three and a fraction – one that if “correct” would happen to be 3+7/8 – a rational number! 🙂

For a less technical one, check out a Rubix cube Pi day calculation – no, it has nothing to do with solving a puzzle this time:

Note that the outer blocks are on the outer of the circular to get the length times a number of cube sides – putting them inside would overlap or need cutting of the cubes.

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