We built a cheap (building cost USD 200.-) and miniaturized version of the original rHex robot (kodlab.seas.upenn.edu For more information on the mini-rHex, check ailab.ifi.uzh.ch...
The AQUA robot detecting ground condition, switching from walking to swimming when entering water. See: P. Giguere, G. Dudek, C. Prahacs and S. Saunderson. Environment...