Georgia Tech has been developing a Lizard Robot that can bury itself under the sand (or a sand analogue) and navigate its way into hard to reach places. Very much like a sandfish, the robot is covered by a smooth skin (made out of sexy spandex) and can freely move its (aluminium) body segments
This is a companion discussion topic for the original entry at https://community.robotshop.com/blog/show/robot-lizard-searches-and-rescues-is-a-bit-scary