Nice Little Movers

Figure 1. Efficiency versus power relation for electromagnetic and piezoelectric devices Schematic structure of a metal tube motor.
-
Figure 1. Efficiency versus power relation for electromagnetic and... -
Figure 2. Schematic structure of a metal tube motor. -
Figure 4. Egg deformation during needle insertion process for a conventional... -
Figure 3. Egg deformation during needle insertion process for the piezo-robot.