(Archive of: http://www.thing-a-day2.com/2008/02/16/day-16-thing-16-headbucket-headlights-more-things-that-go-blink-in-the-night/) I went to the hardware store to replace the tip on my new Weller soldering iron after discovering that Radio Shack did not have a suitable one. At radio shack I picked up two 1100 mcd leds. On the way back I went to the art supply store to see if they… Read more »