flashing lights, or bubble lights. Smart lights allow you to easily program your Christmas tree to display any colors and patterns you like, all from a simple app on your phone. Pick up a set of ...

This composite image shows the Christmas Tree Cluster, with its X-ray blue and white lights blinking ... [+] in this animated version. Bright and well-placed in December, NGC 2264 is roughly ...

Christmas trees. Everyone had unique ornaments and most had colorful blinking lights, but the tree that impressed me the most ...

Typical flashing bulbs use a bimetallic strip ... but how many people can say they get their random numbers from a set of Christmas lights? If you’re curious how incandescent Christmas ...