Smallest 3D printed boat is thinner than a human hair(1/3)

Photo shows a boat that has been 3D-printed by Leiden physicists Rachel Doherty, Daniela Kraft and colleagues. From prow to stern it measures 30 micrometers, about a third of the thickness of a hair. (Photo/ICphoto)

Photo shows a boat that has been 3D-printed by Leiden physicists Rachel Doherty, Daniela Kraft and colleagues. From prow to stern it measures 30 micrometers, about a third of the thickness of a hair. (Photo/ICphoto)

Photo shows a boat that has been 3D-printed by Leiden physicists Rachel Doherty, Daniela Kraft and colleagues. From prow to stern it measures 30 micrometers, about a third of the thickness of a hair. (Photo/ICphoto)