New “Speed Demonoid” Spaceship in Conway's Game of Life

Conway's Life technology has come a long way since it first showed up in Scientific American fifty years ago, when most people were using Go stones or graph paper to explore it.

Now you can run a script in the latest version (4.0) of Golly, to build your own custom Life spaceship. It can move diagonally at any rational speed you want, less than the theoretical maximum of 1/4 lightspeed: https://conwaylife.com/forums/viewtopic.php?p=108786#p108786