According to the tradition, Galileo Galilei discovered the law of the pendulum oscillations by observing those of the incense lamp that in his time was suspended in the center of the aisle of the cathedral of Pisa, and that we see in the image here on the side. To measure the period of oscillations of … [Read more…]
This is the first article in which, instead of limiting myself to exposing the established facts and theories of modern science, I indulge in adding a minimum of personal vision. Not so much in the concepts outlined, but in looking for a link between them. To take a step back to look at the forest … [Read more…]
In spite of the title, this article is NOT about politics! Given that we are approaching the electoral period and given the fact that the electoral law in Italy is often the subject of discussion, I thought it might be interesting to know some mathematical curiosity about the methods of sharing and representing the will … [Read more…]
In this article, we still talk about chemistry and the substance that is the subject of our story is called glucose. But instead of exploring the properties and uses of glucose, we focus on what is a beautiful page of applied scientific method, dated to the late nineteenth century and starring the Nobel Prize for … [Read more…]
This article is the natural continuation of “A plastic of world…“published some time ago. At that time we did a roundup of the most important “traditional” plastics commonly used in for containers and packaging. In this article we will look at the frontier of technology that deals with plastics.
Eyes unique in the world had a big contribution to the success of a great actress who was Liz Taylor. The purple color of her eyes is due to a delicate balance of many factors, genetic and physiological, we will try to shed light on, in the article that follows.
“Would you exchange your detergent XYZ with two buckets of a detergent whatever it is?”. This catchphrase has been with us for many years as an evidence of a race to the improvement of a product that increasingly has become the icon of the modern world, clean and increasingly distant from the natural environment. The … [Read more…]
Plastic is the generic name shared by a particularly large amount of materials that today have a wide and capillary diffusion and of which we have a daily experience, sometimes without even realizing it. Plastics, just because they are distinguished in many groups and subgroups, are extremely versatile. This means that they can be used … [Read more…]
The curious title of this page is the name of an important mathematical principle that is the argument of the following article.
In this article I explore a topic of which everyone, more or less, have a summary knowledge that comes from the school: the inner ear and in particular the cochlea.