Mars rover engineers build test sandbox
Sunday, May 8, 2005
Mars rover engineers have built a test bed simulating the condition of the Mars Rover Opportunity, which became stuck in a Martian sand dune on April 26. The test bed uses a combination of materials including play sand for children's sandboxes, diatomaceous earth for swimming pool filters, and mortar clay powder.
Opportunity dug into soft sand to wheel-hub depth as it drove...