image: An image of the robot on different terrains. This material relates to a paper that appeared in the July 10, 2015 issue of Science, published by AAAS. The paper, by N.W. Bartlett at Harvard University in Cambridge, MA, and colleagues was titled, 'A 3D-printed, functionally graded soft robot powered by combustion.' view more
Credit: [Credit: Wyss Institute for Biologically Inspired Engineering and the Harvard John A. Paulson School of Engineering and Applied Sciences]