Though they're so common that we don't typically give them much thought, lights are fascinating elements of the modern world.

What if you could change the wattage or color temperature without replacing a bulb? The Home Depot’s new EcoSmart Universal ...

Some things are so ubiquitous that it's easy to forget they're designed for a reason. With more than 300,000 traffic lights set up across the United States, it's easy to take how they look for granted ...