Smoothing down the copper traces with a guitar pick. Take this Christmas tree for example, which uses a 555 timer and a CB4017 decade counter in order to drive some blinking LEDs.

For decades, a debate over whether real or artificial trees are better has raged among those who love decorating for Christmas. According to the co-owner of Wallitsch Gardens in Louisville, Jeff ...

Minimalism is on the naughty list this Christmas as people decorate their trees with bows, garland, tinsel, ornaments and, well, anything else that will fit on a branch.