Re: Traffic - Signal Devices Threaten Chaos

> >If someone used an infrared gadget to make the light change, how would
> >anybody know that it had happened?  -Dave
>
> The systems don't use infrared.  The signal is a flashing white strobe set
> at a specific frequency.  It would be blatantly obvious if someone was
using
> one.

Hey, thanks for the tip!!!  I didn't know you could contol these things by
reprogramming the flash bulb of a high speed camera.  -Dave