Night-Light: The blog on night, light, and light-pollution
Do we need to protect the night?
If we talk about protecting the the environment, these days we very much focus on climate change. Scientist have known…
Journey through a Bright Night – a Board Game about Light Pollution
Having fun while learning, even if the topic is sad? My children Benjamin and Viviane, at that time 10 and…
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…
Lights on for Corona!?
We are living in dark times. Let’s be honest, this year did not start well. Bush fires in Australia, war-mongering…
Light pollution and birds – Part 1: Journey to Death
It’s autumn time. Millions of birds meet in the sky for their journey to the South. For many of them…
Green gardening around the clock
If you have a garden, and if you care for the environment, you have probably planted native flowers, created hiding…
Light and sleep – or why we (usually) sleep at night
Sleep usually happens at night. For our ancestors, there were very practical reasons for this. Artificial light was expensive, high…
Nature- and neighbour-friendly Christmas lights
It’s that time of year again. The days are getting darker and shorter. The moods are getting heavier. But there…
Book-Review and Interview: „Under a Dark Sky“ by Lori Rader-Day
I’m quite picky with books these days. Time is precious, and there are so many average books in the shops…
The LakeLab at Lake Stechlin: Studying the impact of artificial light at night on aquatic ecosystems
he Supermoon above the LakeLab (extended time exposure). Photo taken by Andreas Jechow, IGB/GFZ Five o’clock in the morning. Lake Stechlin…
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…
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…
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….
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…
Night mode for LED displays – does it really work?
In today’s world, LED displays are omnipresent. We use them for computers, smart phones, e-book readers and television. And we…
Bats in the spotlight: winners or losers?
‘Wait, I’ll show you something!’ We are standing on a balcony, looking over the bush at night. Viktor, our South…
‘There’s too much light!’ Another LightWalk in Berlin
Everyday we move through our city, enwrapped in light. We are so used to this lightscape that we usually don’t…
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…
Losing control – gaining control: Hannah Ahlheim talks about sleep research
Featured image: Bedroom of a New Hampshire family. Foto: Keene Public Library and the Historical Society of Cheshire County from…
No dark nights at the hotel
The basic idea how to spent our evenings during our first family holiday was inviting. We would take the kids…
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…