Once local and irregular, time-keeping became universal and linear in 311 BCE. History would never be the same again. What year is it? It’s 2019, obviously. An easy question. Last year was 2018. Next year will be 2020. We are confident that a century ago it was 1919, and in 1,000 years it will be […]
We’ll meet again. The intrepid logician Kurt Gödel believed in the afterlife. In four heartfelt letters to his mother he explained why As the foremost logician of the 20th century, Kurt Gödel is well known for his incompleteness theorems and contributions to set theory, the publications of which changed the course of mathematics, logic and […]
Throughout all previous epochs and periods of history of the development of the human race and society, and the active observation and subsequent direct exploration of space, the process of obtaining answers to some of the most difficult, essential questions seems to be heating up to the maximum, but at the same time complicating. Consequently, […]
Color is an essential part of how we experience the world, both biologically and culturally. One of the earliest formal explorations of color theory came from an unlikely source — the German poet, artist, and politician Johann Wolfgang von Goethe, who in 1810 published Theory of Colors (public library; public domain), his treatise on the […]
Nasa’s Earth Observatory has tracked down images resembling all 26 letters of the English alphabet using satellite imagery and astronaut photograph. Тhe Guardian