2 ms·
IIUC, "smoke" is ephemeral by definition. A spaceship/glider that leaves persistent "debris" in its wake is called a "puffer": https://conwaylife.com/wiki/puff
by quuxplusone 10mo ago
IIUC, "smoke" is ephemeral by definition. A spaceship/glider that leaves persistent "debris" in its wake is called a "puffer":
https://conwaylife.com/wiki/puffer https://conwaylife.com/wiki/puffer