h a l f b a k e r yIt's not a thing. It will be a thing.
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I was driving out of Oxford the other day.
The sun was shining brightly and the sky
was gloriously cloudless. I was almost
certainly singing along to the radio.
On my way out along the A40 I came
whizzing up to the last set of traffic
lights before the motorway and realised
100 yards out
that I couldn't see the
light. I slowed. 50 yards -- still nothing.
Eventually, going through crawling
through a 50 mph zone at a little over 20
I can discern a dull glimmer of green as I
pass the stop line. Whew.
That's when the Auxilary Heliograph
Traffic Light (AHTL) occurred to me. As
well as using conventional traffic light
type technology (LEDs, light bulbs etc),
the AHTL would have a sun-following
mirror on top which would reflect light
into the housing of the traffic light. This
light would in turn be reflected out of the
appropriate colour filter to indicate the
state of the traffic light.
On dim days and at night the traffic light
would be illuminated normally but on
bright summer days the traffic light
would still be visible, illuminated by the
Sun.
[later: shamelessly nicks hippo's title
suggestion. Name change 'Solar Assisted
Traffic Lights' -> 'Auxilary Heliograph
Traffic Lights'. There. Much better.]
(?) Solar powered LED flashers.
http://www.co.hennepin.mn.us/wsolar.html
Not quite what you were talking about, but currently baking in the oven. [polartomato, Jul 02 2002]
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Annotation:
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It's kinda, sorta, maybe baked in terms of solar-powered panels for LED's. More in the development stage. See link for starters. |
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I've not heard of a reflection method... that sounds interesting. |
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Sort of "Auxilary Heliograph Traffic Lights". I like it! |
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what if the lights sang back at you. |
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"when I'm calling yoooou...." |
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" I will answer - red light ...tooooo" |
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This is one of those ideas that's so obvious, it should have been done years ago. Croissant! |
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"He said the sun came out last night... he said it sang to him." - (CE3K) |
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3f, many traffic lights in my area have this black 'surround' on them, which is about twice the width and height of the light itself. It effectively blocks out the sun glare and allows the light to be visible. |
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wouldn't it just be better to have a column of three big drawings of faces - a green smiley for go, an orange quizzical for amber, and a red angry for stop - and have a pair of enormous pointing fingers (like the foam ones at sports games) at the sides which move up and down to the required face? Obviously these could only be used at large intersections where the traffic indicators are suspended above the carriageway, not at pedestrian crossings where people could climb the light pole and take away the big pointy hands (I imagine they would become a sought-after objet d'art.) |
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Angel: You could combine Sappho's idea with the "Automatic blow-out staircase" and have huge inflatable yellow barriers that shoot out in front of motorists. Safe if you run into them; hard to ignore; very very visible. Discourages that tendency that some drivers have to slowly creep into the junction area. |
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You could have these for pedestrian crosswalks as well..... |
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If we were to render sappho's idea boring, we would have old-fashioned railway signals, with a metal or wood pointer which rises or falls to indicate stop and go. |
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did you miss the part about the faces and the big pointy hands? |
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As long as I wasn't completely blinded by it, this would be nifty. |
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