[FoRK] Surface plasmonic resonance

[Gary Stock]

Similarly, most birds we perceive as "blue" are not.  Bluebirds, Indigo 
buntings, and other brilliant blue species have no blue pigment in their 
feathers.


Other things follow the "blueless" pattern -- such as "blue" eyes:

    http://en.wikipedia.org/wiki/Tyndall_effect#Blue_irises


...and opals, and lots of other stuff, for various reasons:

    http://www.itp.uni-hannover.de/~zawischa/ITP/scattering.html

GS


On 12/16/11 3:31 AM, Stephen Williams wrote:
> Nice.  I didn't learn about how butterflies wings were colored until a 
> year or two ago...
>
> http://www.fastcompany.com/biomimicry/never-before-seen-optical-trick-creates-ultra-secure-cash 
>