A bio-inspired bot uses water from the environment to create a gas and launch itself from the water’s surface.

The robot, which can travel 26 metres through the air after take-off, could be used to collect water samples in hazardous and cluttered environments, such as during flooding or when monitoring ocean pollution.

Robots that can transition from water to air are desirable in these situations, but the launch requires a lot of power, which has been difficult to achieve in small robots.