The sideways figure-eight shape used as the infinity symbol is a lemniscate (lem-NIS-kit or lem-NIS-kayt). The word comes from a Greek word meaning “ribbon” or “bow,” a nod to the shape’s resemblance to a tied ribbon. It also turns up in...
Joe, a retired astronomer in Tucson, wonders where odds in What are the odds? comes from. It traces back to odd as the opposite of even: if one stack of coins differs from otherwise equal stacks, it is the odd one. From that sense of difference or...
An industrial-design student in Savannah, Georgia, uses Boolean software for making 3-D renderings. Why Boolean ? The term honors the brilliant autodidact George Boole, who helped pioneer the use of binary computing language and Boolean logic. This...
Why do we refer to “testing or going beyond limits” as pushing the envelope? In aeronautics, to push the envelope means to try to go past the edge of the aircraft’s perceived capability. In the 1980s, the phrase was popularized by Tom Wolfe’s book...
What’s so special about the phrase Sit on a pan, Otis? It’s an example of a palindrome — a word or phrase that’s spelled the same backwards as it is forwards. This year’s contest known as the Oscars of the palindrome world inspires some clever, even...
Before the search engine Google, there was the word googol. As mathematician Edward Kasner recounts in his book Mathematics and the Imagination, he asked his 9-year-old nephew Milton to coin a word for a huge number, specifically 10 to the 100th...