FACTS

From time to time, I have seen this label with washing instructions as a "funny" introduction to lectures or workshops in our branch. Today, of course, one wonders, is this…

Whether at home, in the classroom or in a restaurant: Zeit online calculator shows when people can become infected indoors. Everything interactive and clearly visualized. Click on the image and…

In times of Centangel, coloring books for adults, even dot-to-dot pictures are once again modern. The number pictures of today have nothing to do with the simple and easy to…

For those moments when we are not quite sure what our counterpart actually means something, we have a "credibility test" developed over generations at our disposal. When in doubt, we…

We all know impossible figures. First we could see them at Oscar Reutersvärd. With the Dutch graphic artist M. C. Escher such impossible figures became known to the masses in…

Everyone of us tries to write great or great manuals, the Scottish artist Ross Sinclair already succeeded in 2000. A stranger to the branch, this is what it had to…