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(BBC-US)   The shine is starting to come off glow-in-the-dark roads   (bbc.com) divider line 37
    More: Followup, road markings, civil engineers  
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8022 clicks; posted to Main » on 30 Apr 2014 at 7:05 AM (25 weeks ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



37 Comments   (+0 »)
   
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2014-04-30 07:09:19 AM  
Turning off headlights, nice one.
 
2014-04-30 07:11:57 AM  
It's like driving through Tron!
 
2014-04-30 07:13:47 AM  
Just add a little radium or tritium... That'll get it to glow up real nice.
 
2014-04-30 07:15:21 AM  
Surprisingly few UFO sighting though.
 
2014-04-30 07:19:48 AM  
Imagine all of the Chinese women who will get radiation poisoning from licking the brushes used to put on this paint.......
 
2014-04-30 07:20:05 AM  
They must be a hoot to drive while on acid.
 
2014-04-30 07:26:12 AM  
This is not surprising.

I've always loved glow in the dark stuff, but it only glows in the dark for a few minutes at best.

This was probably some super-industrial glow in the dark stuff that was better, but apparently it still doesn't live up to expectations.
 
2014-04-30 07:36:55 AM  

gfid: I've always loved glow in the dark stuff, but it only glows in the dark for a few minutes at best.


Me too. You can find tritium glow in the dark stuff if you look around. That lasts for a good long time (half life of 10 years). I have a small one for my keychain; it's pretty weak but fairly reliable.
 
2014-04-30 07:44:34 AM  
In a thousand years, explorers will discover Earths glow in the dark alien landing strips.
This will disprove Daniel Jackson's theories about pyramids being landing areas for Ra's ships.
 
2014-04-30 07:49:41 AM  

jehovahs witness protection: In a thousand years, explorers will discover Earths glow in the dark alien landing strips.
This will disprove Daniel Jackson's theories about pyramids being landing areas for Ra's ships.


Indeed
 
2014-04-30 08:06:32 AM  

Destructor: Me too. You can find tritium glow in the dark stuff if you look around. That lasts for a good long time (half life of 10 years). I have a small one for my keychain; it's pretty weak but fairly reliable.


Tritium is produced in nuclear reactors... we only produce 400 grams *per year*, and it costs $30,000  per gram.

Most of it goes into military gun scopes, but they do use it for certain expensive watches as well.  That must be one hell of a nice keychain.
 
2014-04-30 08:10:53 AM  
Same problem with glow in the dark condoms, use em a few times and they fade
 
2014-04-30 08:12:37 AM  

Alonjar: That must be one hell of a nice keychain.


Not the best use of $20 (as I recall).

Although it is produced in relatively tiny quantities, and it is very expensive, keep in mind a little bit will go a long way.

You can also find gun sights that use tritium paint (predictably, more expensive than the regular kind). But beyond that, it is pretty rare. Which seems a little weird to me, since you should be able to produce as much as you want by bombarding lithium with neutrons. I guess there just isn't a real high demand for it (yet... need to get nuclear fusion kicked into high gear... :-) ).
 
2014-04-30 08:15:18 AM  

Alonjar: Destructor: Me too. You can find tritium glow in the dark stuff if you look around. That lasts for a good long time (half life of 10 years). I have a small one for my keychain; it's pretty weak but fairly reliable.

Tritium is produced in nuclear reactors... we only produce 400 grams *per year*, and it costs $30,000  per gram.

Most of it goes into military gun scopes, but they do use it for certain expensive watches as well.  That must be one hell of a nice keychain.


http://www.tecaccessories.com/TEC-S323 .TEC-S323-Isotope

sorry on mobile Too tired to linkify, don't know if it's really tritium they use but they claim it is and the fobs are only 23 bucks
 
2014-04-30 08:22:24 AM  

gfid: This is not surprising.

I've always loved glow in the dark stuff, but it only glows in the dark for a few minutes at best.

This was probably some super-industrial glow in the dark stuff that was better, but apparently it still doesn't live up to expectations.


I imagine some politician's brother in law owns a glow in the dark paint company.  We knew it wouldn't work, but we had to field test it anyway!  Next step, more funding!
 
2014-04-30 08:25:15 AM  
Now what would be really cool is some sort of bio-engineered glow-in-the-dark lichen that can live off of motor oil... Nothing could possibky go wrong with that.
 
2014-04-30 08:26:13 AM  

Alonjar: Destructor: Me too. You can find tritium glow in the dark stuff if you look around. That lasts for a good long time (half life of 10 years). I have a small one for my keychain; it's pretty weak but fairly reliable.

Tritium is produced in nuclear reactors... we only produce 400 grams *per year*, and it costs $30,000  per gram.

Most of it goes into military gun scopes, but they do use it for certain expensive watches as well.  That must be one hell of a nice keychain.


It's fairly common, you can pick up Gaseous Tritium Light Sourcekeychains on Amazon for $20

F22raptom: Turning off headlights, nice one.


In the UK they are starting to replace cats-eyes (reflective lane markers) with solar powered LED versions.  You won't believe how many times I've been tempted to turn my headlights off when I'm on the road alone just to see what it looks like int he pith dark witht he lanes lit up for you.
www.clearviewtraffic.com

They're also a bit disconcerting when you see them for the first time.  I was on a road, no other cars around, and I suddenly realised I could see the opposite lane markers in my rear view mirror.  My brain broke for a second or 3 while it worked out how the hell my headlights could be reflecting off of something behind me.
 
2014-04-30 08:27:35 AM  
Oh, gee. The strips are susceptible to moisture and you can't figure out why they are fading in the Netherlands.
 
2014-04-30 08:29:07 AM  

Pinko_Commie: It's fairly common, you can pick up Gaseous Tritium Light Sourcekeychains on Amazon for $20


Yup, that's the stuff!

Pinko_Commie: In the UK they are starting to replace cats-eyes (reflective lane markers) with solar powered LED versions. You won't believe how many times I've been tempted to turn my headlights off when I'm on the road alone just to see what it looks like int he pith dark witht he lanes lit up for you.


Now that, is cool! (Looks expensive though)
 
2014-04-30 08:32:51 AM  
I found an item proposing to paint the roads with radium, amongst other silly (from here) ideas, in the 1920s.
 
2014-04-30 08:33:29 AM  
Now that's using a pen instead of a pencil right there.
 
2014-04-30 08:34:19 AM  

Bob Down: Surprisingly few UFO sighting though.


www.forkedatfark.org
I WANT TO BELIEVE!!
 
2014-04-30 08:34:20 AM  
I like these better. It likely would work much better for sidewalks and bike paths than roads, though, as it is a spray-on coating.
 
2014-04-30 08:38:07 AM  
Who cares what race he is, the good news is he is moving off the roads which is the safest thing for him really.
 
2014-04-30 08:38:24 AM  
So they couldn't just paint a clear film coating over them?
 
2014-04-30 09:02:03 AM  

Destructor: Pinko_Commie: It's fairly common, you can pick up Gaseous Tritium Light Sourcekeychains on Amazon for $20

Yup, that's the stuff!

Pinko_Commie: In the UK they are starting to replace cats-eyes (reflective lane markers) with solar powered LED versions. You won't believe how many times I've been tempted to turn my headlights off when I'm on the road alone just to see what it looks like int he pith dark witht he lanes lit up for you.

Now that, is cool! (Looks expensive though)


A bit of research seems to suggest that they are just over twice the cost of the old style retro-reflective ones.

£8 per unit
www.pawsonline.info

£18 per unit
www.clearviewtraffic.com
They are pretty cool.  There have been suggestions of "intelligent" ones that react to external stimuli:

In foggy conditions, the cat's eye shines a bright white.
Once a car passes, it leaves an amber trail for four seconds so a following driver knows there is a car in front.
Should the second driver encroach into the amber trail, it turns red, warning him to slow down.
To warn of icy conditions, the light turns blue.
 
2014-04-30 09:09:51 AM  

Pinko_Commie: They are pretty cool. There have been suggestions of "intelligent" ones that react to external stimuli:

In foggy conditions, the cat's eye shines a bright white.
Once a car passes, it leaves an amber trail for four seconds so a following driver knows there is a car in front.
Should the second driver encroach into the amber trail, it turns red, warning him to slow down.
To warn of icy conditions, the light turns blue.


i.chzbgr.com

Now that is REALLY cool.
 
2014-04-30 09:16:36 AM  

Pinko_Commie: They are pretty cool.  There have been suggestions of "intelligent" ones that react to external stimuli:

In foggy conditions, the cat's eye shines a bright white.
Once a car passes, it leaves an amber trail for four seconds so a following driver knows there is a car in front.
Should the second driver encroach into the amber trail, it turns red, warning him to slow down.
To warn of icy conditions, the light turns blue.


That would be pretty awesome if they could get them to work like that reliably.
 
2014-04-30 09:34:00 AM  
It would be nice to find something that works here in MN. Reflectors get scraped off by snow plows. Reflective paint can work sometimes, but in the early Spring (at least) it gets covered with salt and dirt. There are times (like when cars are coming toward me in the other lane) when I really can't see where the hell the lane is.
 
2014-04-30 09:45:38 AM  

GameSprocket: It would be nice to find something that works here in MN. Reflectors get scraped off by snow plows. Reflective paint can work sometimes, but in the early Spring (at least) it gets covered with salt and dirt. There are times (like when cars are coming toward me in the other lane) when I really can't see where the hell the lane is.


The UK style of Catseyestm would probably work.  They're actually mounted in the road and made of cast iron, so meant to be fairly resistant to snowploughs.  Their design means the reflectors are self cleaning as well.
upload.wikimedia.org
 
2014-04-30 09:59:17 AM  
I read that as glow in the dark rods.

Was thinking about this movie I saw a while back where two guys where fighting in the dark while wearing glow in the dark condoms, so it looked like a lightsaber fight.

That's all I remember about the movie.
 
2014-04-30 10:11:09 AM  

Destructor: Just add a little radium or tritium... That'll get it to glow up real nice.


cdn.instructables.com
 
2014-04-30 10:57:19 AM  

Pinko_Commie: GameSprocket: It would be nice to find something that works here in MN. Reflectors get scraped off by snow plows. Reflective paint can work sometimes, but in the early Spring (at least) it gets covered with salt and dirt. There are times (like when cars are coming toward me in the other lane) when I really can't see where the hell the lane is.

The UK style of Catseyestm would probably work.  They're actually mounted in the road and made of cast iron, so meant to be fairly resistant to snowploughs.  Their design means the reflectors are self cleaning as well.


Steel blades with tons of force behind them. Resistance is futile.
 
2014-04-30 11:17:37 AM  

MythDragon: I read that as glow in the dark rods.

Was thinking about this movie I saw a while back where two guys where fighting in the dark while wearing glow in the dark condoms, so it looked like a lightsaber fight.

That's all I remember about the movie.


Skin Deep {1989}
 
2014-04-30 12:07:30 PM  
Of course, about the same time all this stuff about "smart" cat-eyes, LEDs, and glow-in the-dark roads gets worked out, cars will driving themselves.
 
2014-04-30 03:05:28 PM  

give me doughnuts: Of course, about the same time all this stuff about "smart" cat-eyes, LEDs, and glow-in the-dark roads gets worked out, cars will driving themselves.


Even if they were, the cheap ones wouldn't be for a decade or so, and after that there'd be some old geezers hanging on to their 'dumb cars' 50 years later.

Perhaps that just implies a good reason to make sure that computerized vision is good at recognizing the newer varieties.  Perhaps LEDs could be altered to encode notices of upcoming traffic and red lights or something.
 
2014-05-01 05:03:25 AM  

Pinko_Commie: In the UK they are starting to replace cats-eyes (reflective lane markers) with solar powered LED versions.  You won't believe how many times I've been tempted to turn my headlights off when I'm on the road alone just to see what it looks like int he pith dark witht he lanes lit up for you.


IF they had those in the US you wouldn't believe how many folks would be tempted to turn off their headlights after taking a dose of LSD.
 
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