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Category Science & Technology

Curiosities: Why do I get a streak of images from LED taillights when I scan the road at night? Is this dangerous?

January 18, 2011

You are seeing positive afterimages, says James Ver Hoeve, a vision scientist at University of Wisconsin–Madison. “If you stare at a bright red line…

Girl Scouts to extract strawberry DNA at UW–Madison workshops

January 5, 2011

To: Media representatives