The robot has a core of gold and iron and is surrounded by a golden cage. DNA acts as that clutch.
Jeon Jin Woo
Nanoscale robots with clutches can connect and disconnect their engines, allowing for more precise control of their movements. May be used to kill harmful cells.
Small clutches already exist in nature – for example, in bacteria Bacillus subtilis They have long hair-like structures called flagella, each attached to a rotating molecular engine. “one time [the bacteria] I'll take a break when I reach my destination.'' Jeon Jin Woo in…
Source: www.newscientist.com
