Here is a soft aquatic robot inspired by sea creatures that can walk, roll, and transport things. It is powered by light and rotating magnetic fields. It has an embedded nickel skeleton that enables it to respond to external magnetic fields. As Northwestern University researchers explain, this soft robot can walk at human speed and climb hills:
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Resembling a four-legged octopus, the robot functions inside a water-filled tank, making it ideal for use in aquatic environments.
This centimeter sized robot’s weight is 90% water. There are no complex hardware involved.
[HT: Eureka Alert]
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