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How does light therapy work? The science behind the techy skin treatment

Wondering if this popular skincare treatment is for you? We asked four skin experts to shine a light on the topic of ...
The Drive

Here’s How LED Headlight Optics Work

I’m something of a headlight nerd. In a previous life, I retrofitted HID projector headlamps onto my 2009 Honda Civic Si for better light output. I’m planning a similar project for my beater 2015 VW ...