Faulty LED streetlights have been turning purple for years across America. As the lights fail, many are replaced. That has led to years of purple streetlights that seemingly appear and then ...

I was thinking I would use it as the final project the next year. But I did put my “Purple America” map on my university ...

I was thinking I would use it as the final project the next year. But I did put my “Purple America” map on my university webpage. And there it sat for four years, largely unnoticed.