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…
‘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,…
‘I arrived in the provincial town of Odienné (Ivory Coast) by truck after a three-hour journey on unlit sandy roads across the bush. We first…
In today’s world, LED displays are omnipresent. We use them for computers, smart phones, e-book readers and television. And we use all these appliances until…
‘Wait, I’ll show you something!’ We are standing on a balcony, looking over the bush at night. Viktor, our South African host turns on a…
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…
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…
Featured image: Bedroom of a New Hampshire family. Foto: Keene Public Library and the Historical Society of Cheshire County from USA, via Wikimedia Commons Sleep…
The basic idea how to spent our evenings during our first family holiday was inviting. We would take the kids to bed and then…
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…