Robotics

Autonomous excavator constructs a 6-meter-high dry-stone wall

ETH Zurich researchers deployed an autonomous excavator, called HEAP, to build a 6-meter-high and 65-meter-long dry-stone wall. The wall is embedded in a digitally planned and autonomously excavated landscape and park.

Engineering

How to design materials with reprogrammable shape and function

Metamaterials—materials whose function is determined by structure, not composition—have been designed to bend light and sound, transform from soft to stiff, and even dampen seismic waves from earthquakes. But each of ...

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