Originally Posted by
rekmeyata
There are products on the market that sends out a laser beam of light onto the road with a line, arrows, or circles on both sides of the bike to mark the path for a car to stay out of. I've never seen these lights in real life yet so I can't tell you how effective it is though. But if anything it's cool looking.
I've seen them. They are indeed cool looking.
But they're not very bright at all (after all, the light is being spread out over a long line), and the laser is being aimed at the ground which could very well be black -- making it even less bright.
As I see it, a driver in a car would probably never notice it.
Now, if they could go with a better color than red -- green or blue (but it would cost more) and if they could increase the power 100 fold to 500 mW per side (causing serious risk to eyes if somebody does look into it which probably means problems with the FDA and increasing the cost greatly) ... then maybe. But as it stands ... it looks neat, but I can't see it actually making you safer from cars than a standard decent headlight, taillight and a sidelight of some sort would.