A study investigating the blue colouring of many tarantulas discovered that it arises due to multilayer interference, yet little or no iridescence is observed.

A study investigating the blue colouring of many tarantulas discovered that it arises due to multilayer interference, yet little or no iridescence is observed.
Check out the articles highlighted on the covers of the latest issue of Advanced Optical Materials.
A flexible flow lithography technique enables 3D particles to be formed in a layer-by-layer fashion, based on the controlled stacking of 2D shapes.