#fermento birra

In 1768, Benjamin Franklin proposed a new alphabet, warning that without a phonetic scheme to stabilize spelling and pronunciation, “our writing will become the same with the Chinese as to the difficulty of learning and using it.” He composed this le

How many distinct knots have exactly 10 crossings? By the late 20th century, mathematicians believed the number to be 166. Then, in 1973, New York attorney and part-time mathematician Kenneth A. Perko Jr. discovered that two of these were essentially

Futility Closet is a collection of entertaining curiosities in history, literature, language, art, philosophy, and mathematics, designed to help you waste time as enjoyably as possible.