Acting like a muscle, nano-sized device lifts 165 times its own weight

Engineers have discovered a simple, economical way to make a nano-sized device that can match the friendly neighborhood Avenger, on a much smaller scale. Their creation weighs 1.6 milligrams (about as much as five poppy seeds) and can lift 265 milligrams (the weight of about 825 poppy seeds) hundreds of times in a row.

from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2017/08/170830132212.htm

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