Enlarge / An image from Ingenuity, looking down at the surface of Mars. That's its shadow.NASA/JPL Much has been written about the plucky exploits of NASA's small Ingenuity helicopter on Mars. And all of the accolades are deserved. "The little mission that could" did, flying 72 sorties across the red planet and pushing out the frontier of exploration into the unknown. Yet as impressive as Ingenuity's exploits were over the last three years, and though its carbon fiber blades will spin no more, i...