As you prepare your home for the holidays, you may be having a difficult time making a key decorating decision: should you use white Christmas lights or multi-colored Christmas lights?

The debate is an old one and people seem to be very passionate about which they prefer. Some have nostalgic childhood memories connected to multi-colored lights, while others strictly use white lights.

While deciding what to do, you may wonder where the idea to decorate a tree with lights even came from. Well,...