When you buy through links on our articles, Future and its syndication partners may earn a commission.

Santiago Ramón y Cajal's ink and pencil drawing of the calyces of Held in the nucleus of the trapezoid body, created in 1934. (Courtesy of Instituto Cajal) Cajal drew from an early age and ...

In the last step of the drawing process, the identified areas of contrast will be translated into coordinates, dictating the movements of the robot's pencil-wielding arm. It should take the robot ...