Sustain Our Earth
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News that effects the sustainability of life on Earth
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Limpet's Shell Could Inspire Next-gen Transparent Displays

Limpet's Shell Could Inspire Next-gen Transparent Displays | Sustain Our Earth | Scoop.it

"..an MIT/Harvard study suggests that a specific type of limpet's shell may hold the key to transparent displays that require no internal light source. The mollusk in question is the blue-rayed limpet which, as its name implies, has bright blue stripes on its translucent shell. It is believed that these are used to make potential predators mistake it for a poisonous snail, which also has blue markings. The iridescent lines appear blue due to the fact that the shell material in those areas reflects the blue spectrum of incoming light, while absorbing other colors so that they don't drown out the blue."


Via Miguel Prazeres
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Rescooped by SustainOurEarth from Biomimicry
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Antibacterial Power of Black Silicon

Antibacterial Power of Black Silicon | Sustain Our Earth | Scoop.it

"Earlier this year, we reported about a finding which revealed that physical structure of Psaltoda claripenniscicada wings can shred certain types of rod-shaped bacteria. After analyzing the surface, researchers at the Swinburne University of Technology used biomimicry to create a surface with similar properties. This nanosurface could lead to development of a new generation of nanostructured antibacterial materials. 

“Based on this discovery, we investigated other insects that may possess similar surface architectures that might kill more bacteria, in particular the deadly strains of the Staphylococcus aureus or golden staph bacterium”, said Elena Ivanova, microbiology professor at the Swinburne University of Technology. Their search led them to the wings of the Diplacodes bipunctata (Wandering Percher dragonfly), whose spike-like nanostructure destroys both rod-shaped and spherical bacteria."

 


Via Miguel Prazeres
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