Engineering

First-ever 3-D printed robots made of both solids and liquids

One reason we don't yet have robot personal assistants buzzing around doing our chores is because making them is hard. Assembling robots by hand is time-consuming, while automation—robots building other robots—is not yet ...

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 these ...

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