These tissues were then attached to a 3D-printed plastic hand having moveable joints and measuring about 18 cm (7 in) long. "Our key achievement was developing the MuMuTAs," said Shoji Takeuchi ...
The researchers used thin strings of lab-grown muscle tissue bundled into sushilike rolls to give the fingers enough strength to contract. These multiple muscle tissue actuators (MuMuTAs), created ...