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 street lighting that combines cost efficiency, safety, climate protection, and comfortable light. But the actual outcomes of new street lightings are mostly quite sober. Last …
If you’re at the sea, and it’s a warm night, what would you do? I would walk along the beach and take in the night with all its beauty. Start with the sound of the waves, savour the outlines of rocks, add some starlight and the moon. Perfect! Alas, these days this turns out to …
‘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 in doing this. And today, some people believe they can create an artificial moonlight. The light of a 4000 Kelvin LED street lamp, so some …
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 late at night, often right before we go to bed. After all, we usually have more work than we can cope with in an eight hour day, and reading …
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 …