Image linked to original source; Image description: An animation of a rotating carbon nanotube

    Figure: An animation of a rotating carbon nanotube

    Caption: An "animation einer Kohlenstoffnanoroehre". (Slightly edited.)

    They mean a carbon nanotube.

    Credit and/or file tracking information follows to the divider line:

    Image Credit/Permission: © User:Schwarzm, 2004 (uploaded to Wikipedia by User:APPER, 2004) / CC BY-SA 3.0.
    Image link: Wikipedia: File:Kohlenstoffnanoroehre Animation.gif.
    Local file: local link: carbon_nanotube_animation.html.
    File: Atomic file: carbon_nanotube_animation.html.