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 is a light at the end of the tunnel – …
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 use all these appliances until late at night, often …