Ecology

exit poll

Exit poll and surveys on the vote: how they are made and how reliable they are

Whenever in Italy we are called to votewe start talking about exit poll and of Forecast on the final vote immediately after the closure of the polls. This will also be the case in the case of the referendum of 8 and 9 June, which for 13 Italian municipalities also coincides with the administrative elections. But what exactly these forecasts ...

theremin

What is Theremin, the musical instrument that is played without contact

The Theremin It is one of the most fascinating and mysterious musical instruments in history. Not only is it one of the very first electronic toolsbut it is also the only one in the world playing without ever touching it: a musician, with the hands alone, can shape the air and the soundlike a magician who draws invisible notes. The ...

kilt

History and tradition of the Kilt, the most famous garment of Scotland

The kilt It is a male garment of fabric that envelops and tie in life, typical of the Scottish tradition that was born in the eighteenth century. In a first version it also included a higher part that stared behind and offered a wider one protection From cold, wind and rain. The English entrepreneur Thomas Rawlinsonhowever, he created a more ...

scossa dito effetto punta

Why does it happen to take the shock when we touch something?

Shock touching something is an experience common, almost on the agenda. Behind this annoying phenomenon there is a physical principle known as tip effect. It is a typical behavior of the bodies that can be loaded electrically – as well as the human body – and that, coming into contact with other objects or people, suddenly unloading the accumulated electricity, ...

Immagine

Since the blue color is associated with males and pink with females and why

The stereotype that leads us to define the color blue or blue as male and that rose as female It is not as ancient as it might seem. Until the early 1900s, small children dressed almost all in the same way, that is, with white clotheseasy to wash and reuse. Both male and females they wore skirts up to 6-7 ...

Immagine

Castel Sant’Angelo or Mausoleum of Adriano, the engineering and architectural analysis of the Roman monument

Commissioned by Adriano to the architect Demetrian as a funeral mausoleum for itself and for family members, the Castel Sant’Angelolocated near the Vatican on the right bank of the Tiber, has changed its function through the centuries. The fortress includes internal courtyards, defensive bastions added over time and the panoramic terrace With the statue of the angel, although perhaps one ...

horror vacui

What is the meaning of Horror Vacui and what does the void with art has to do with it?

Horror Vacui It is a Latin phrase that means “terror of the void” “Nature shocks the void“(“Nature Abhorret in Vacuo“). For this reason, as it would also have supported Baruch Spinoza Many centuries later, there would be no “empty spaces” in nature, and those apparently such would always be full of some liquid or gas: a theory that contradicts the ...

Immagine

Why are the squares both rhombuses and rectangles?

How many rectangles are there in the image? And how many rhombus? If you replied “nobody” then you were wrong! In the figure they are clearly visible 2 squares which, from a mathematical point of view, are at the same time both rectangles That rhombusall in the big family of parallelograms: quadrilaterals with the parallel sides two by two. It ...