Author information Yoseph Bar-Cohen is Senior Scientist and Supervisor at the JPL. Part of his research focuses on artificial muscles. He (co) authored more than 300 papers and co-edited books. Two NASA Honor Award Medals prove his standing. Kris Zacny is Senior Research Scientist and Director of Drilling and Excavation Systems at Honeybee Robotics Spacecraft Mechanisms Corporation. Prior to this assignment, he served as engineer in the South African Mines and participated in two Arctic Expeditions where he performed drilling tests. The authors team the editors have recruited consist of top notch experts from Colorado School of Mines and JPL.
