A Random

SCIFI.radio story

Earth is invaded by a swarm of sentient nanobots microscopic googly-eyed nebula narwhals who perceive us only as a food even though they all do bad impressions of William Shatner and might be overpowered by the army, navy, air force, space force and/or marines , but scientists create a new weapon which turns them into weird rocks.
The End.and then they kill us all.
The End.