NATURE 1, TECHNOLOGY 0
Dec. 18th, 2009 11:50 am![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
defrogITEM [via BoingBoing]: Cities everywhere have been replacing incandescent traffic lights with LED lights, because they use 90% less electricity, last longer and are more durable.
One thing incandescents have that LEDs don’t – excess heat to melt off snow.
Oops!
Which is why Dave Hansen, a traffic engineer with the Green Bay Department of Public Works, offers the following fix: if you can’t see the traffic light, slow the hell down and do what you do when the power’s out. (Unless yr one of those people who figure no light = keep going, in which case don’t do that.)
Red light green light,
This is dF
One thing incandescents have that LEDs don’t – excess heat to melt off snow.
Oops!
"I've never had to put up with this in the past," said Duane Kassens, a driver from Indiana who was involved in an accident attributed to a snow-clogged traffic light. "The police officer told me the new lights weren't melting the snow. How is that safe?"
Which is why Dave Hansen, a traffic engineer with the Green Bay Department of Public Works, offers the following fix: if you can’t see the traffic light, slow the hell down and do what you do when the power’s out. (Unless yr one of those people who figure no light = keep going, in which case don’t do that.)
Red light green light,
This is dF
