Pollia
condensata is a fruit and it's the shiniest living thing in the world.
The principle behind P. Condensata‘s gorgeous finish is basically the
same as behind an iridescent beetle’s wings. The cells in the fruit’s
husk contain layers of fibers that run parallel to one another, with
each layer turned slightly relative to the one beneath it.
Each layer reflects some of the light that hits it, and the spiral
structure makes the reflected light waves line up so that they intensify
each other. The wavelength of the light may be different from cell to
cell, but all of them reflect extra-intensified light.
The
result is a mixture of really bright colors. This type of iridescent
coloration was supposed to be reserved for insect wings and bird
feathers P. Condensata is the first time it’s been seen in a plant. The
fruits reflect more light than any other known living thing.
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