Niklas Lindahl, University of Gothenburg (IMAGE)
Caption
Forests of carbon nanotubes can be grown in various forms. Closer inspection using an electron microscope enables you to see how individual nanotubes hold each other upright. In a transmission electron microscope it is possible to count the number of walls in individual nanotubes. The scale bar is 100 µm, 1 µm and 20 nm.
Credit
Photo: Daniel Dahlin
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