The robot has a gold and iron core and is surrounded by a gold cage. DNA serves as its clutch. Jinwoo Cheon
A nanoscale robot with a clutch can engage or disengage its engine, allowing for more precise control over its motion. It could be used to kill harmful cells.
Tiny clutches already exist in nature for example, the bacterium Bacillus subtilis has long, hair-like structures called flagella, each attached to a rotating molecular engine. Once [the bacteria] arrive at their target area, they will take a rest, says at Yonsei University in Seoul, South Korea. They…
