this post was submitted on 10 Nov 2023
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(what is with those streetlights tho)

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[–] atocci@kbin.social 99 points 7 months ago (3 children)

Defective LEDs with massively reduced service lives made it out of the factory and into streetlights around the world. If you ever see a purple street light, a failing LED module is the cause.

[–] ares35@kbin.social 43 points 7 months ago (4 children)

none like that around here. they're all blindingly bright af along the main streets and downtown--probably 4-5x as many lamps in each fixture as actually needed, and going up and down hills they shine right in your eyes because they don't have adequate shades keeping the light 'down'.

residential areas still have the much easier-on-the-eyes sodium vapor lights, though--for now.

[–] new_guy@lemmy.world 38 points 7 months ago* (last edited 7 months ago)

I know a guy that very was vocal against street lights in the 90's.

He was/is an amateur astronomer that modified his rooftop to be an actual telescope and the street lamps were angled in a certain way that like 40% of the light produced by them was shinning to the sky, making his observations harder to perform.

He went to my school to warn about light pollution and also teach us about planets and all that good stuff.

I think he became frustrated and quitted because last time I saw anything about him he was all about rescuing dogs from the street. :/

[–] SARGEx117@lemmy.world 10 points 7 months ago

I live near a parking lot for semi trucks to chill after manufacture, before leaving the factory properly. They used to have obnoxious sodium vapor lights that bathed the general area in a dull orange glow at night, maybe a bit brighter than full moonlight.

Then they massively expanded the lot (and bulldozed 5 acres of forest, and at least 100 more of what used to be pollinator habitats, and put in led lighting.

As they stripped it all down and put down flat black asphalt they were all over the news about how environmental they are for using LEDs.

The LEDs have even worse than normal light spill because the lamps are all 45 degree canted, thus flooding the sky as well. Each lamp that used to hold one small boxed sodium lamp now has FIVE PAIRS of 2ftx3ft panels spaced every 20 or so semi spots.

In spring and fall when clouds/fog sit right above the hills, you can see it clear as a beacon from almost 10 miles away. Farther if you're on your own hill.

And in winter, the trees around me are bare enough that I needed to buy blackout curtains.

Every so often I fantasize about ripping them all down with a truck during their holiday shutdowns, and leaving an extremely condescending printout of proper lighting techniques taped to each pole.

[–] Zoidberg@lemm.ee 5 points 7 months ago

Where I live all street lights used to be low pressure sodium (very monochromatic yellow!) Due to a nearby observatory. Now to hell with everything! It's LED lights everywhere. They're strong and not diffused so all the light comes from a small area meaning instant after image... (Sigh)

Even worse, people now put LED lights on their outdoor house fixtures and all kinds of office buildings pointing UP. Goodbye night sky...

[–] uis@lemmy.world 3 points 7 months ago (1 children)

residential areas still have the much easier-on-the-eyes sodium vapor lights, though--for now.

Monochromatic isn't easier on eyes.

[–] atocci@kbin.social 2 points 7 months ago (1 children)

I could definitely be under the wrong impression here, but aren't LEDs monochromatic also?

[–] paholg@lemm.ee 2 points 7 months ago (2 children)

I think they're generally dichromatic (is that the word?). White LEDs are blue LEDs + a yellow florescent coating.

[–] uis@lemmy.world 3 points 7 months ago

LEDs somehow have CRI 0.9, so they are unlikely to be just dichromatic. For comparasion monochromatic light has CRI 0.

[–] Infynis@midwest.social 12 points 7 months ago (1 children)

We've still got a few of those around here. Most have been reported and replaced. But for a time, we had a whole stretch of freeway that was lit up purple. It as sweet

[–] Toribor@corndog.social 4 points 7 months ago (1 children)

Same thing in my area, at one point a whole half mile of streetlights near my house was purple. It was cyberpunk as hell and I loved it.

[–] instamat@lemmy.world 2 points 7 months ago

Me too. I didn’t mind it and assumed it was intentional. A bit out of the ordinary, but different can be good.

[–] schmidtster@lemmy.world 4 points 7 months ago (1 children)

I thought the coating failed to adhere, how would a module affect the colour output?

[–] atocci@kbin.social 5 points 7 months ago* (last edited 7 months ago) (1 children)

Is the coating not considered part of the module? Maybe module was the wrong word.

[–] schmidtster@lemmy.world 2 points 7 months ago* (last edited 7 months ago) (1 children)

I’ve never heard the term used like that before. It’s leds and a driver for them, the only thing I would call a module would be the driver, but modules usually go into large complex machines. Not 2 part devices. The driver would have different modules on it potentially.

[–] atocci@kbin.social 2 points 7 months ago (1 children)
[–] schmidtster@lemmy.world 3 points 7 months ago* (last edited 7 months ago)

Yeah it was just a weird term, it’s not inherently wrong… if the lights were multicolored a failed module could make it be different colours, but these are one color and one color temperature. So there’s no way for it to put out different colours.

[–] HobbitFoot@thelemmy.club 87 points 7 months ago (2 children)

You just had regular and weird. Now there are flavors of weird.

[–] gloriousspearfish@feddit.dk 35 points 7 months ago (2 children)
[–] HobbitFoot@thelemmy.club 39 points 7 months ago

Taste the spectrum.

[–] QuantumSparkles@sh.itjust.works 14 points 7 months ago

Mango-pomegranate autism

[–] pancakes@sh.itjust.works 9 points 7 months ago

I have an assessment next year. I'm hoping for banana chocolate.

[–] Bipta@kbin.social 62 points 7 months ago (3 children)

White LED bulbs are the devil's work.

[–] Obi@sopuli.xyz 18 points 7 months ago (1 children)

Can't stand them for street lighting, just makes everything look cold and uninteresting, I'll take the warm ones over them any day.

[–] solinus@lemmy.cafe 4 points 7 months ago

Where I live they did put up slightly warm tinted LED ones

[–] SkyeStarfall@lemmy.blahaj.zone 9 points 7 months ago (1 children)

Obligatory technology connections https://youtu.be/wIC-iGDTU40?si=AsUcJdORCk743Lfz (at least I think it's the right video)

[–] PipedLinkBot@feddit.rocks 4 points 7 months ago

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[–] AVincentInSpace@pawb.social 4 points 7 months ago

At least the modern ones don't flicker.

[–] Semi-Hemi-Demigod@kbin.social 48 points 7 months ago* (last edited 7 months ago) (2 children)
[–] cobra89@beehaw.org 8 points 7 months ago (2 children)

Man it's been a while since I've seen them at Starland.

[–] FreeAZ@sopuli.xyz 5 points 7 months ago

I saw them at Starland the night they played all of "Everything Went Numb" and "Somewhere in the Between". Incredible show, almost broke my leg when a crowd toppled over.

Really sad I missed the Bandits of the Acoustic Revolution show a few years ago.

[–] Semi-Hemi-Demigod@kbin.social 3 points 7 months ago

I've seen them probably fifteen times over the years. Best live show I've ever been to. Hopefully they get the new album out soon and go on tour again

[–] HobbitFoot@thelemmy.club 3 points 7 months ago

Is it because Keasby nights aren't that dark?

[–] peopleproblems@lemmy.world 33 points 7 months ago (1 children)

You know what's funny? My son was evaluated for is as there was some concern because of a lot of ASD in my family.

I told them "ok, but he's really just pretty similar to me". I haven't been diagnosed. I do have extremely bad general anxiety.

And his evaluation showed no risk, but some possible connection if anxiety couldn't be ruled out. Turns out, anxiety couldn't be ruled out.

Yep. I'm so anxious it looks like ASD apparently.

[–] yote_zip@pawb.social 22 points 7 months ago* (last edited 7 months ago)

This ~~is really similar to~~ reminds me of this post, which I think about a lot.

Edit: hopefully slightly more accurate

[–] ObviouslyNotBanana@lemmy.world 15 points 7 months ago

Yeah but that's just one guy! /s

[–] PopcornPrincess@lemmy.world 15 points 7 months ago

I had no idea streetlights would create such controversy. Look at these passionate responses. Lemmy used to be peaceful. Way to go OP!

[–] ElleChaise@kbin.social 10 points 7 months ago (1 children)

Seriously, what is up with these streetlights?

[–] Crashumbc@lemmy.world 6 points 7 months ago (1 children)

Good sales men. And they are EXTREMELY efficient compared to old lights, last longer, and easier to maintain.

[–] SomeAmateur@sh.itjust.works 2 points 7 months ago

Yeah LED's are amazing, I just want warmer light from them.