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 ...

LED bulbs have become quite common these days (here's what LED stands for), and you'll find them in street lights, factories, offices, and even in your home. One peculiar thing you may have noticed ...