Holiday light companies use various methods to make their string lights. Taizhou Haoran Machinery sells machines that create LED holiday light strings. Here's how it works. First, the wire is fed ...

With Thomas Edison to thank for the first strand of electric lights, who'd have thought an outdoor electrical light display would inspire the decorative string lights in our homes today?

The indoor/outdoor light string can become any color with the Hue app, right down to each LED to set up the exact theme you want. Add in a Hue Bridge ($60, supports all Philips Hue smart lighting ...