The purpose of the looking at the future...is to disturb the present!

Gaston Berger (1896-1960), francuski futurolog

Peacock Feathers Are Stunning. They Can Also Emit Laser Beams

Scientists hope their plumage project could someday lead to biocompatible lasers that could safely be embedded in the human body.
Link :
https://www.wired.com/story/peacock-feathers-laser-beams/