"That's where the real kicker is, because if you look at an image without any polarization, you can kind of see fingerprints, but not really well," says Burcham.

Burcham说：“这是采集的关键所在，因为如果你不用偏振光看一副图像，你会看到多种指纹图，然而这些都不是真实的”。

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Rachael Joyner at Florida Atlantic University, Phillip Lucas and Kendra Desrosiers at Howard University, Tracy Boyer at University of North Carolina, Michelle Chan at Pepperdine University, Chris Welch at University of Nebraska-Lincoln, Ben Doody at Fairfield and Chris Burcham at Tulane University contributed to this article.

CNN: Campus Politics: From storming dorms to abject apathy