Grass grows from the root up, i.e. it's not like a tree. Whether you chop it off with a laser or with high-speed steel, it's going to keep growing from the roo

Grass grows from the root up, i.e. it's not like a tree. Whether you chop it off with a laser or with high-speed steel, it's going to keep growing from the root; it's evolved to grow after being chopped off by sheep's teeth, after all.