June 23, 2024June 23, 2024I learned this today, Math, Music #992 Why did Mozart die so young? Why did Mozart die so young? No one knows what killed him. However, it was most likely not poison. Mozart died at […]
May 24, 2024May 24, 2024History, I learned this today, Math #962 Why was the abacus invented? Why was the abacus invented? It was invented because merchants needed to keep an inventory, trade was taking off, and the powers […]
March 21, 2024April 14, 2024I learned this today, Math #898 What is the golden ratio? What is the golden ratio? It is 1.618. The golden ratio appears in nature, in art, in buildings, and in logos, along […]
February 1, 2024May 12, 2024I learned this today, Math #850 What is the Fields Medal? What is the Fields Medal? It is a four-yearly prize given to mathematicians under the age of 40. It is the mathematical […]
January 7, 2024January 7, 2024History, I learned this today, Math, On the shoulders of giants #825 Euclid – The Father of Geometry On the Shoulders of Giants #1 Euclid was an ancient Greek mathematician. He is most famous for his book “The Elements”. He […]
August 13, 2023August 19, 2023General, History, I learned this today, Math #679 Who invented the slide rule? Who invented the slide rule? Willian Oughtred in 1622. I think, first, I need to look at what a slide rule is […]
November 30, 2022August 19, 2023History, I learned this today, Math #423 Why are there twelve months in a year? Why are there twelve months in a year? Because it is the closest match to the number of times the moon orbits […]
July 19, 2022November 5, 2024History, I learned this today, Math #289 Where did Arabic numerals come from? Where did Arabic numerals come from? They evolved from a writing system created in India in the 3rd century BC. The […]
February 10, 2022October 29, 2024General, History, I learned this today, Math #130 Why do we have 24 hours in a day, 60 minutes in an hour, and 60 seconds in a minute? I learned this today. We have 24 hours in a day because of Hipparchus. We have 60 seconds in a minute and […]
October 19, 2021October 27, 2024I learned this today, Math #16 Where do the plus, minus, multiplication, and division symbols come from? I learned this today. The mathematical symbols + plus, – minus, x multiply, ÷ divide, and = equal are not as old […]