Thursday, 8 September 2005

These photos were taken at night in September 2005 on the way back from work. I think it's interesting to see how the modern LED traffic lights compare to the older ones powered by light bulbs.

an overexposed photograph of what appears to be trees behind a roadside barrier
The world flashing by.
Date:2005-09-08
a greenish blue picture without contours
The sky through a car's front window.
Date:2005-09-08
an intensely red traffic light in the dark
Modern LEDs traffic light (1). LED = light emitting diode
Date:2005-09-08
an intensely green traffic light in the dark
Modern LEDs traffic light (2).
Date:2005-09-08
yellow lights at a house
At night.
Date:2005-09-08
a pale red traffic light
Traditional electric bulb traffic light (1).
Date:2005-09-08
a pale green traffic light
Traditional electric bulb traffic light (2). Once broken, these will be replaced by LEDs too. LEDs emit colored light so there's no need for colored glass in front of them. In addition they have a much higher life expectancy.
Date:2005-09-08