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Submission + - Black Silicon Slices and Dices Bacteria (

Zothecula writes: Originally discovered by accident in the 1980s, black silicon is silicon with a surface that has been modified to feature nanoscale spike structures which give the material very low reflectivity. Researchers have now found that these spikes can also destroy a wide range of bacteria, potentially paving the way for a new generation of antibacterial surfaces.
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Black Silicon Slices and Dices Bacteria

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Anything cut to length will be too short.