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Loicyesterday at 2:33 PM5 repliesview on HN

Where I live, we have a small park, 500m away. You need to walk through it if you want to get to the city center from the small neighborhood we live in. To protect the wildlife, the lighting system has presence sensors, so as you walk or bicycle through the park, the way/street lighting turns on, you can walk, and just after you, it turns dark again. Really cool, especially the first time I went through it in the middle of the night.


Replies

fhdkweigyesterday at 2:52 PM

Those things drive me nuts. There is a walking path that I frequent, and I can't use it at night because they are spaced every 20-30 feet. When I am not under them, they are off and my eyes adjust to the darkness and as I pass under one it flips to full daytime brightness and blinds me. As soon as I walk away from it, everything goes dark again, but my eyes had adjusted to the daytime brightness of the lamps. And I know that in 30 feet, I have to do it again, for the next couple of miles.

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trollbridgeyesterday at 3:08 PM

Wouldn't it be more reasonable to just expect people who want to walk places in the dead of night to wear a headlamp? They're cheap, easy to recharge, and can be adjusted for various brightness levels.

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redlewelyesterday at 5:15 PM

Would prefer very dim or red lighting. Also preserves your night vision

snarf21yesterday at 5:04 PM

Serious question: Wouldn't it be better to just have them always be on with red light that is much less disruptive to wildlife?

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vel0cityyesterday at 2:58 PM

If it gets used a good bit, I wonder if the on/off cycles are even more impactful to the local wildlife than constant but more optimized lighting was in place.

I know if I was trying to sleep a constant source of light is easier to get used to than a randomly flashing source of light. And for nocturnal animals I'd imagine randomly losing the cover of darkness from time to time is probably a lot more stressful than just avoiding the brighter areas.

I'd be interested in seeing data. I really wonder which is better.