Current Events — HabitableZone

Current Events » in reply to Re: There is hardware on the nation's freeways that do that . . .

Yeah, but that isn't a light-based system

I can understand those pressure pad systems. For the life of me, I can't think of a way to simply use a light-based system to weigh a vehicle in motion. That doesn't mean such a device isn't possible but I'd love to hear how it works.

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