Robot powered by exploding farts

Harvard uni boffins have 3D printed a robot with a soft butt able to belch hot gases, thus unleashing a remorseless and invincible-ish hopping trouser-cough machine…

The new design offers a fresh solution to the engineering challenge that the Harvard Gazette claims “has plagued soft robotics: the integration of rigid and soft materials.”

“The vision for the field of soft robotics is to create robots that are entirely soft,” said senior author Robert J. Wood. “But for practical reasons, our soft robots typically have some rigid components — things like batteries and control electronics. This robot is a demonstration of a method to integrate the rigid components with the body of the soft robot through a gradient of material properties, eliminating an abrupt hard-to-soft transition that is often a failure point.”…

To initiate movement, the robot inflates its pneumatic legs to tilt its body in the direction it wants to go. Then butane and oxygen are mixed and ignited, exploding the robot into the air.

Perhaps we could design something like this on a smaller scale to hunt grasshoppers. Or something like that.

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