The new structure consists of a stack of ultrathin layers of two alternating materials where the thickness of each layer is precisely controlled. (sciencedaily.com)
Aubert cut samples of the cave popcorn, shaving the calcite into ultrathin layers in a process he calls micro-excavating. (discovermagazine.com)
Roberta spent days, using tiny pliers and a glass knife, slicing ultrathin layers of the fly's internal organs and preparing them to view through an electron microscope. (discovermagazine.com)