There is no use denying it: whenever a scientist gets a piece of news in a newspaper or on television concerning his own field of research, eight times out of ten he feels irritated. The reason does not solely depend on the fact that, in his opinion, the news given to the public is often rather inaccurate or centred on secondary aspects, sometimes even distorted. There is actually something more? Something deeper that the scientist can hardly grasp.

According to Einstein's renowned declaration, for those who believe in physics ­ or, more precisely, in its capability to offer a "scientific" representation of the world ­ the distinction between present, past and future is just "an illusion, though obstinate". If we consider an effective analogy by Mauro Dorato, we can state that those who agree with the famous German scientist will recognize in the present, past and future a relationship very similar to that between "here" and "somewhere else" ­ in other words, the present is just a located moment and has no privileged status.

"We can only appeal to society, considering that governments and parties have fallen constantly short of expectations since the late eighties. The public must know that without research there is no innovation, and without innovation there is no state-of-theart. The lack of research is a handicap for the development of the country". The words of Silvio Garattini, director of Milan's Mario Negri Institute, reveal rage and passion. This is how he explained the reasons why more than one year ago 1,500 Italian scientists made an unprecedented, resolute and unmediated appeal to the general public to back research in Italy.

Popularising mathematics requires a preliminary reflection on language and terms, the choice of which results from underlying dynamics. The aim of this article is to start an overall analysis of the conditions influencing this linguistic choice.

What may be defined as the "standard model" of the public communication of science began to develop in the second half of the nineteenth century, gained a clear structure (especially in an Anglo-Saxon context) in the first three decades of the twentieth century and dominated until the nineties. Roughly speaking, the model tends to describe science as a compact social (and epistemic) corpus, largely separated from the rest of society by a type of semipermeable membrane. That is, information and actions can flow freely from science to the rest of society (through the application of technologies and the spread of scientific culture, for instance), but much more limitedly in the opposite direction (through science politics or the influence of sociocultural events on science itself).

Theatrical action can bring out the value of the exhibits of a museum, while creating a new way of experiencing the exhibitions. Theatrical actions link education and entertainment, consequently becoming a highly effective didactic instrument. The advantages of theatre are briefly outlined, considering it as an interpretative technique to communicate science from the point of view of the goals pursued by museums, of epistemology and of theatrical research.

The aim of this project is to communicate the basic laws of particle physics with Feynman diagrams - visual tools which represent elementary particle processes. They were originally developed as a code to be used by physicists and are still used today for calculations and elaborations of theoretical nature. The technical and mathematical rules of Feynman diagrams are obviously the exclusive concern of physicists, but on a pictorial level they can help to popularize many concepts, ranging from matter and the antimatter; the creation, destruction and transformation of particles; the role of "virtual" particles in interactions; the conservation laws, symmetries, etc.

"Il ciclotrone" is the weekly science programme of "Radio Popolare - Popolare Network". During the last 12 years, once or twice a month listeners have been able to directly ask questions to the guest scientists in the studios, or to express their point of view on some controversial scientific issue. Phone-ins at Radio Popolare are not filtered; regular and occasional listeners are used to communicate with or through the radio, and in doing so they contribute to the sense of spontaneity which characterise the programmes.