Scratching with Stainless Tweezers, Screwdriver and Diamond Pen (VIDEO)

Harvard John A. Paulson School of Engineering and Applied Sciences

Caption

Surface coating scratched with stainless tweezers, screw driver and diamond pen. The coating, made from rough nanoporous tungsten oxide, is capable of repelling any kind of liquid even after sustaining intense structural abuse.

Credit

Aizenberg Lab/Harvard SEAS

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