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[–] • 6 pts

Sodium vapor lamps have a very sparse color spectrum in their output. They have so few emission lines that they fail, miserably I might add, to render color. The emission lines that are the strongest are at 589.0 nm and 589.6 nm. This is the yellow you see. Red, green and blue colors turn practically black under this emission spectra. They produce a very unnatural light and can seriously impede your ability to solve a Rubik's Cube ender their light. They might be a bit easier on the eyes but they are hard on the brain.

I understand the nostalgia, but it was a short time that they dominated the night in our cities. The mercury vapor lamps that preceded them are more familiar to me as a child since my town didn't get sodium vapor lamps till the early 90s. Mercury vapor lamps are my nostalgia.

[–] • 2 pts

Hard Lights Make Strong Brains? Strong Brains Make Weak Lights?

[–] • 2 pts

The narrow spectrum is what made them easy to filter out in telescopes.

[–] • 1 pt

Post pics of mercury vapor lamps

[–] • 4 pts

Here you go...

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[–] • 2 pts

Those are some gay lamps, Morbo.

[–] • 4 pts

Ruins the noir and mystique of night too.

[–] • 3 pts (edited )

I grew up close enough to an interstate, and in the city, to the point where the sky always had this eerie purple glow, I assume from reflecting the yellowish light of the sodium-vapor street lamps.

I didn't realize how much I loved it, until I realized it was gone forever.

[–] • 3 pts

Similar in Los Angeles. My little slice of heaven was VERY barrio/ghetto, but had the same light pollution effect. There was something to be said though for driving down PCH at 1 in the morning with nothing but those sodium lights giving small pools of reality in a sea of black. Or driving up to Rio Hondo College late at night, and looking out over the valley to watch the cars and city breathe.

For all the issues that fucking state had/has, it really nails it when it comes to ambiance and feeling like you exist.

[–] • 3 pts

I was in the high desert and watched the fruit bats stake claims on the neighbors small orchard. We would ride our bikes among the cactus and Joshua trees and secretly dream of cursing PCH under the same sodium lights.

[–] • 2 pts

For all the issues that fucking state had/has, it really nails it when it comes to ambiance and feeling like you exist.

Yeah, it is such a silly thing to complain about, it has absolutely no real affect on any of us.

But fuck, I feel bad for my nephews, who will never get to experience that mystique.

[–] • 3 pts

Bu...bu...but think about climate change!

[–] • 3 pts

Damn it, not again! Fucking Climate Change!!!!!

[–] • 2 pts

As a kid I was getting sick and tired of piss yellow lights and welcomed the replacement to pure white light. Nowadays it's the opposite and the old lighting seems almost warm and cozy. Truly a man is a creature that can't be satisfied for long.

[–] • 2 pts

Truly a man is a creature that can't be satisfied for long.

They don't make reality like they used to.

[–] • 2 pts

What I want to know is why is there a purple street light on every block?

[–] • 6 pts

What I want to know is why is there a purple street light on every block?

The simple answer is: they installed cheap, shitty LED street lamps.

The expanded answer: White LED street lamps are actually blue/violet LEDs that excite a yellow phosphor to make "White" light. Yellow and blue are opposite each other on the color wheel. Red and green light combined produce yellow, hence yellow is composed principally pf red and green light. White light can be approximated by combining red, green and blue light. So, if yellow light is composed of red and green light, adding blue makes an approximate White light. It's close but not perfect. That yellow phosphor coating is not integrated into the LED. It is simply "painted" on to cover the blue/violet LED chip(s). If the LEDs are cheap, shitty or otherwise not made to quality specification with good materials, the heat from the high intensity LEDs, the weather and outdoor exposure causes the phosphor to fall off thereby exposing the blue/violet LED. This is why they turn purple. They are literally falling apart when they turn that way. They are shit quality street lamps.

[–] • 1 pt

No. It's not shitty cheap lamps. They are spread strategically one per block

[–] • 4 pts

Batches are a thing and like the VAX the companies know that they have bad batches so they intentionally mix up a bunch of lamps into other lot numbers to make their failure rate look lower.

Have a full batch of fucked lamps? Screw scraping them and losing $$$. Be a jew and take that batch and sprinkle it into 10 "good" batches. Now you just sold all of the "bad" lamps and no one is going to do fuck all because government would only care if they got a whole batch of "bad" lamps all at once. Not if they have one or two bad lamps in a batch.

Yep. Just like what they do with a Vax. They used to ship them all in a single batch but it would revealed a long while ago they started sprinkling things into other batches to make it look safer and more "effective". Nope, it's still probably going to kill you.

[–] • 2 pts

No. It's not shitty cheap lamps. They are spread strategically one per block

Well you better don your tinfoil (aluminum) hat then.

[–] • 1 pt

They are actually designed to attract niggers when activated. The jews use them to corral them all together to make it easier to distribute the NPC updates.

[–] • 1 pt

I wonder whether the orange warded of niggers more than white.

[–] • 1 pt

I think that they look fake as well...