Do you like Pi?
Do you like Pi? Bpost issued five Pi stamps in a sheet on August 25, 2025. A beautiful design by Geert Wille, who incorporated the magical 3,14 into the sheet of 5 stamps. Why are Archimedes and Albert Einstein...
Math
50 years of the Rubik's Cube: practical application of mathematics
Rubik's Cube. Who doesn't know it? A beloved toy and puzzle in the 80s. A favorite toy, especially at birthday parties. Will you get the Rubik's Cube out of the attic? The goal is to get the same color on every face. Can you do it...
Pi Day March 14, 2021
On Pi Day, March 14, celebrations were held worldwide at various university mathematics departments. Pi Day is celebrated on March 14 because, in the American date format, March 14 is written as 3/14 and the three-digit approximation for pi is 3,14....
Peculiarities of Western philosophers (2)
Pythagoras of Samos (582– ca. 507 BC). This philosopher/mathematician became best known for his mathematical theorems (triangle). According to him, numbers constitute the essence of things, for example also in the composition of music. Until the 17th century, music was...
Without Turing, no computers; which country honors his 100th birthday?
You would think that the hundredth birthday of Alan Turing, the founder of modern computer science, would be commemorated worldwide with postage stamps. But nothing could be further from the truth. To date, I have not found a single stamp that is specially for...
