Ernst F. Tonsing, Ph.D. 17 January 2024 Anyone who has lived in California ten or fifteen years have their own … More

This day, March 14, written as 3.14, has been designated as national “Pi Day” by the United States House of Representatives in 2009. It is also Albert Einstein’s birthday. It commemorates the mathematical formula of the constant ratio of a circle’s circumference to its diameter, 3.14159. . . .