6. Smellicopter

The Smellicopter. Image courtesy Mark Stone and the University of Washington. A drone with plastic fins on the bag, and moth antennae barely visible. “Smellicopter has two plastic fins (shown here in blue) on the back to create drag to help it be oriented so that it is constantly facing upwind.”

The Smellicopter. Image courtesy Mark Stone and the University of Washington. A drone with plastic fins on the bag, and moth antennae barely visible. “Smellicopter has two plastic fins (shown here in blue) on the back to create drag to help it be oriented so that it is constantly facing upwind.”