Hopping robot powered by explosions
Gadget holds some legs stiff and springs off with another to bounce onto and over objects
![jumping robot](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/09/mr_jumpingrobot_feat.jpg?fit=860%2C460&ssl=1)
RUBBERY LEGS A tripod of silicone legs helps position this soft-bodied robot prior to a jump. An explosion in a springlike appendage (dark pink, in center) blasts the bot into the air.
M. Tolley