## Happy Pi day, sad Pi day

Today is Pi day. A day on which Einstein was born and the great Stephen Hawking passed away. Since the mathematical constant π (pi) is 3.1415926535897932384626433… and today’s date is 14th March … or in US notation, 3.14 then it is Pi day. First organised by physicist Larry Shaw in 1988 at the San Francisco Exploratorium, it … Read more