A mollusk of a different stripe


Optical features embedded in marine shells may help develop responsive, transparent displays.

The blue-rayed limpet is a tiny mollusk that lives in kelp beds along the coasts of Norway, Iceland, the United Kingdom, Portugal, and the Canary Islands. These diminutive organisms — as small as a fingernail — might escape notice entirely, if not for a very conspicuous feature: bright blue dotted lines that run in parallel along the length of their translucent shells. Depending on the angle at which light hits, a limpet’s shell can flash brilliantly even in murky water.

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More information: http://newsoffice.mit.edu/2015/optical-structures-in-limpet-shell-0226

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