Engineers have demonstrated a new material they call ‘nanocardboard,’ an ultrathin equivalent of corrugated paper cardboard. A square centimeter of nanocardboard weighs less than a thousandth of a gram and can spring back into shape after being bent in half. Nanocardboard’s stiffness-to-weight ratio makes it ideal for aerospace and microrobotic applications, where every gram counts.
from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2018/11/181106111624.htm
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