Blue Morpho Butterfly

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Two striking features of this butterfly (1) One can never tell its brilliant blue from its closed wings (which is how it keeps them most of the time, probably as a protective mechanism to avoid predators. The big black dots on the closed wings make it seem like the eyes of a bigger animal/insect) (2) Its wings are actually transparent, Yea you heard it right, they are colorless, no pigments whatsoever. So how do they appear blue? Well refraction – thin prisms line the inner surface of its wings which refract the light that shines on them. Technology cannot produce such surfaces yet (at least the last time I checked), but if it could, we would have surfaces whose color never fades (they would appear the same whenever light shines on them, they would probably be too delicate though, like the wings of a butterfly :))

One thought on “Blue Morpho Butterfly

  1. Pingback: Butterflies and Moths (A list) | Treasured Trifles and Trifled Treasures

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