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This rainbow-making tech could help autonomous vehicles read signs



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A new study explains the science behind microscale concave interfaces (MCI) — structures that reflect light to produce beautiful and potentially useful optical phenomena.
“It is vital to be able to explain how a technology works to someone before you attempt to adopt it. Our new paper defines how light interacts with microscale concave interfaces,” says University at Buffalo engineering researcher Qiaoqiang Gan, noting that future applications of these effects could include aiding autonomous vehicles in recognizing traffic signs.
The research was published online on Aug. 15 in Applied Materials Today, and is featured in the journal’s September issue.
Gan, PhD, …

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