Short film: Light in harmony with human and nature

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 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 …

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The LakeLab at Lake Stechlin: Studying the impact of artificial light at night on aquatic ecosystems

The LakeLab at Lake Stechlin: Studying the impact of artificial light at night on aquatic ecosystems

Five o’clock in the morning. Lake Stechlin is dark and silent. Only a few lights are moving at the Old Fisherhut. The LakeLab scientists are getting ready to work. We get into the boats, switch off our lights, and drive out onto the lake. After a few moments the eerie glow of the LakeLab becomes …

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An evening at the sea

An evening at the sea

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 …

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Is a 4000 Kelvin LED street light like the moon?

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 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 …

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Moralities of Odienné by Night: André Chappatte talks about an anthropology of light and darkness

Moralities of Odienné by Night: André Chappatte talks about an anthropology of light and darkness

‘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 saw a few dots of light from afar; after a curve, we then saw a unique street lighting revealing silhouettes of men carrying assault rifles.’ This is the beginning of …

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Magic LED: Why our world gets brighter

Magic LED: Why our world gets brighter

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 …

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