self-cleaning surfaces

A nanoscale look at how dust aggregates on this spiky surface. Credit: The University of Texas at Austin/Smart Material Solutions
Making many types of materials dust resistant, from spacecraft to solar panels to household windows
Self-cleaning concrete could save time money and reduce disease risk
Another step towards self-cleaning surfaces
Bouncing droplets remove contaminants and self-clean without being superhydrophobic
New paint makes tough self-cleaning surfaces