biomimicry
•Nature is an expert in making nanoscale structures.This is why scientists look to nature for inspiration when researching how to construct at this tiny scale.
•Biomimicry is the term scientists copying nature.
•By studying Lotus leaves and their structure scientists have designed non-wetting materials and self-cleaning windows.
.png)
On a smooth surface the contaminating particles are only moved by the water droplet (left). In contrast to that, on a rough surface they stick to the droplet rolling off the leaf thus being washed off (right