This public LEGO building expo at the Tate Modern in London. Everyone is free to take part and build using only white pieces. It’s like an improvised micro city. pic.twitter.com/PzuFpYAeKm
Jeff Roulston has found the following numbers that can self-locate in the decimal digits of π. The digit 1 is found in position 1 in 3.1415, the string 16,470 starts in position 16,470! pic.twitter.com/4ZToXLl4Sk