Safety versus sleep – a conflict and an evaluation
„We need brightly lit streets to protect women from rape!” Really? Seriously?!? I’ve reached the point where I get angry – and I have some good arguments why we do …
Short film: Light in harmony with human and nature
It’s always easy to complain if something is bad. However, there is only useful change when someone also has ideas how to make it better. Many communities want to have …
How to light a street safely – and how to effectively blind the people
I often read or hear that women who walk around at night want lots of light so they can see everyone who approaches them and spot a potential danger early …
Is a 4000 Kelvin LED street light like the moon?
‘Let’s kill the moonlight!’ proclaimed the Italian poet Filippo Marinetti a few years after Edison’s incadescent lamp enchanted the world. With all our light pollution, we have been quite successful …
LightWalk in Berlin
If you think of Berlin, you also think of night life. However, night life is not only fun, for many people it is hard work. To talk about all the …
20 Watt can be too much
Usually LEDs are installed because they are more efficient than traditional street lights. This means you get considerably more light for the same wattage. Andrej Mohar from Dark Sky Slowenia …