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They only work in the same way that a normal light works. You see a light on a bike and make sure you don’t get too close or hit the cyclist. If you need lines to help you do that well really?
Drivers don’t see you in normal day light when you have then brightest, widest and all illuminating light beaming on you.
Chaley-
I was hit from behind in daylight while riding a fluoro yellow bike with two active rear lights running (dynamo and Fly6).
There's some tech being talked about to help with this:
https://arstechnica.com/cars/2024/05/the-vehicle-and-bicycle-safety-tech-that-can-see-through-walls/So if the focus on safety was lights, maybe building lights with some kind of proximity tech stuff would be a thing. I'd still prefer the EMP shield personally... but we can't all achieve our dreams...
hippy
So you say they work right there. There's nothing a light can do about drivers not actually presenting their retinas; nobody imagines otherwise.
The thing is, people are ripe for capitalist harvesting as motorists, so something as destructive to the interests of profiteering multinationals as preventing a significant proportion of them from being allowed to inflict their negligence on everyone by means of say, printing fewer licenses on the back of cereal boxes, will never get up.