"I was successful because you believed in me" U.S. Grant to A. Lincoln
1 L A T E S T R E P L I E S (Newest First)
Krusty
Posted - 12/08/2003 : 00:42:40 There have been things out like that for a long time. Many street lights have sensors that will pick up on the strobe pattern of emergency vehicles and change the light. I knew someone in high school that carried around a strobe light with UV filter in his car. He'd just point it ahead of him and watch the light turn green.
