Meet the nanobamas

Meet the world’s tiniest portraits of an elected president ever; meet the nanobamas. Each ‘Obama’ is made up of about 150 million tiny carbon nanotubes, which is about how many Americans voted in this year’s presidential election. An assistant professor professor in the Department of Mechanical Engineering at the University of Michigan, John Hart, along with [...]

Nanostructures give butterflies wonderful colours

Butterflies have fascinated people for as long as we can remember; the beauty of their wings is known to just about everybody and well just about everybody loves them. But behind their naive beauty lies a mistery which has baffled scientists as they couldn’t understand how these colours are created. Marco Giraldo has been examining [...]