> Hmm, searching for my dark meter now. Nothing can travel faster than light - apart from a shadow that is. Don't underestimate the power of darkness! > And wondering why my car's speedometer > doesn't indicate negative speed when I'm driving in reverse, or is that > driving forward in the opposite direction? That's because speed is a scalar quantity - it has magnitude but not direction. Mmmm ... I know quite a few photographers like that ;o) Blobb _______________________________________________________________________ Freeserve AnyTime, only £13.99 per month with one month's FREE trial! For more information visit http://www.freeserve.com/time/ or call free on 0800 970 8890