Butterfly Wings are LEDs!

By Alex in Animals & Pets, Science & Tech on Nov 20, 2005 at 12:35 pm

Peter Vukusic and Ian Hooper at the University of Exeter, UK discovered that the fluorescent patches of butterfly wings work like light emiting diodes (LEDs).

From the website: "When scientists developed an efficient device for emitting light, they hadn’t realised butterflies have been using the same method for 30 million years."

Link