„We need brightly lit streets to protect women from rape!” Really? Seriously?!? I’ve reached the point where I get angry – and I have some good arguments why we do not need so much light. I frequently get this statement. No matter how many arguments I have for the protection of insects, birds, hedgehogs or …
If we talk about protecting the the enviornemtn, these days we very much focus on climate change. Scientist have known since more than years that we have a problem. And so did politicians like Ronald Reagan and Margaret Thatcher. Seriously, we have a huge problem at our hands and we are running out of time. …
Sleep usually happens at night. For our ancestors, there were very practical reasons for this. Artificial light was expensive, high maintenance, and not without danger. Also, it was too dim for most kinds of work. Then Thomas Edison made electrical light affordable for daily use – and it was possible to work all night too. …
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 …