- How the Square Root of 2 Became a Number (quantamagazine.org)
The ancient Greeks wanted to believe that the universe could be described in its entirety using only whole numbers and the ratios between them — fractions, or what we now call rational numbers. But this aspiration was undermined when they considered a square with sides of length 1, only to find that the length of its diagonal couldn’t possibly be written as a fraction.
- Landfall, Minnesota (Wikipedia)
Landfall is a city in Washington County, Minnesota, United States. The population was 686 at the 2010 census and is the smallest community in Washington County in terms of area. It lies on the eastern shore of Tanner’s Lake on Interstate 94.