In the second step, the gold-studded crossroads serve as mask in a chemical etching process.Until then, the columns etched out of the surface were at most 500 nanometres high.They took a page out of the design book for moth cornea. […]
Archivos de diciembre, 2021
Instead of coating a surface
Miércoles, diciembre 22, 2021The correct functioning of most natural
Martes, diciembre 14, 2021Clownfish eggs are often attached to the side of shallow-water rocks, which means — in an area, say, near a harbour with LED lights that penetrate seawater — embryos will be constantly exposed as they develop.To mimic such conditions in […]
The crucial point is to pump energy into the material
Jueves, diciembre 2, 2021“Mathematically, it is not immediately obvious that it is at all possible to find such a pattern,” said Rotter.”Complex materials such as a sugar cube are opaque, because light waves inside them are scattered multiple times,” said Stefan Rotter, from […]