We're all used to water-repellent materials nowadays, and it's no surprise to see droplets running off special cloth without wetting it. The technology has, however, only worked for cold water. Until now, thanks to ...READ»
Industrial-scale production of a self-cleaning film covering for windows may soon be possible thanks to an invention that borrows the microscopic surface patterns of a butterfly wing.
Butterfly wings and lotus-leaves share an unusual ...READ»
