Flowrate behavior and clustering of self-driven robots in a channel
Tian Bo1, 2, Sun Wang-Ping1, Li Ming1, †, Jiang Rui3, Hu Mao-Bin1, ‡
       

(color online) (a) Top and side views of the robot used in the experiment. The size of the robot is 43 mm×12 mm×15 mm. (b) A snapshot of the experiment with thirty robots.