Making high quality lighting with nanotechnology and…old fish scales?

Recycling something organic into electronics: apparently it’s possible.

coloured waves representing microwaves shooting into a model carbon nano-onion: a soccer-ball like molecule filled with layers of carbon atoms
Model of a carbon nano-onion. Researchers have figured out how to make these electronically interesting particles out of fish scales from fish waste. Credit: Takashi Shirai from NITech, Japan