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Ultra-short laser pulses turn metals pitch black

By - Source: Tom's Hardware US | B 0 comment

Blasts of laser light lasting a few millionth billionths of a second can turn the polished surface of any metal ultra-black, by covering it with nanoscale ridges and crevices. US researchers say the trick could one day be used to make better solar panels and more efficient fuel cells.

Read the complete story here. (New Scientist)

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