From over on boing boing, I saw this interesting post about the fact that LED traffic lights can’t melt the snow that collects in their shade covers.
An interesting calculation would be to see if the energy discipated by the waste heat of the old bulbs year round equals the energy required to keep the lights usable in the winter, in countries that have snow.
We’ve had LED lights here in the greater Sydney region for a while now, and I don’t think anyone has come across this issue here (it doesn’t snow in Sydney).
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