![Tiny brick-busting ‘muscles’ for miniature robotics are sourced from wood Tiny brick-busting ‘muscles’ for miniature robotics are sourced from wood](https://scx1.b-cdn.net/csz/news/800a/2023/tiny-brick-busting-mus.jpg)
Tiny brick-busting ‘muscles’ for miniature robotics are sourced from wood
A hydrogel muscle (left) and a piece of hydrogel before being combined with carbon nanotubes. Credit: KTH Royal Institute of Technology Wood is the source for a brick-breaking mini robotic muscle material developed by researchers in Sweden and Germany. The material—a specially-developed hydrogel—can shape-shift, expand and contract on demand when controlled with electronic impulses of…