Moth Wings Have Evolved a Rare ‘Metastructure’ We’ve Been Trying to Make in The Lab – ScienceAlert

Nature has a way of putting our best technology to shame. For decades now, scientists have been trying to manufacture the ultimate sound absorber – a carefully engineered material that can manage acoustic waves for stealthy movement or simple peace and quiet.
As it turns out, however, that cherished ‘metastructure’ may already exist in the natural world, and it’s been hiding in the fluttering wings of some earless moths.
The paddle-shaped scales that pattern some moth wings are so efficient at absorbing…

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