From NobelPrize https://twitter.com/NobelPrize on Twitter: Happy Pi day! The current date and time (March 14, 1.59pm) resembles 3.14159, the approximation of the mathematical constant Pi, or . Pi is the ratio of the circumference of a circle to its diameter. No matter how big or small the circle is - the ratio stays the same. # https://twitter.com/NobelPrize/status/1371083444848054272/photo/1 https://chirp.cooleysekula.net/attachment/71383