Everyday we move through our city, enwrapped in light. We are so used to this lightscape that we usually don’t think about how the light affects us or if we really need it. But this was exactly what I went out to do last week with 20 volunteers from social and ecological projects on a …
So there has been another climate conference, where the powerful have discussed how to save our world. Main topic, was usual, is the CO2-production. Let’s be honest, most countries find it challenging to reduce their CO2-output, some flatly refuse to try. But some years ago, a light appeared at the end of the tunnel of …
Sleep is an important topic these days. How many hours of sleep do we need, at which time of the night, and in what position? Some people are boasting about their ability to sleep only a few hours, others are very concerned about getting enough healthy sleep. Yesterday, the German health insurance company Techniker Krankenkasse …
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 work that goes into a successful nightlife, a conference has been held last week in Berlin. “Stadt nach Acht”, “City after Eight” had many topics …
The basic idea how to spent our evenings during our first family holiday was inviting. We would take the kids to bed and then settle down on our private balcony to relax. We had brought a candle and were really happy to find our room equipped with a large balcony with chairs and deckchairs …
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 has an example of what happens, when this efficiency is underestimated. The light in the picture comes from a 4000 Kelvin LED street light with …