When you press the “Start” button on a copier, something surprisingly complex happens within seconds. Inside the machine, a physical and chemical process is activated based on the interaction between light, electric charges and matter: the xerographyinvention of 1938 Of Chester Carlsonwhich revolutionized the way documents are reproduced. In simple terms, a photocopier creates a perfect copy of an image ...
Rest of insect found in Ecuador in a fragment of amber from 112 million years ago. In Ecuador A deposit of fossil resins (amber) dating back to around 112 million years agoin the midst of the dinosaur era, containing insectstraces of plant and even one intact cobweb. It is the first deposit containing remains of arthropod species and pollen found ...
California High–Speed Rail. Credit: Dllu, CC BY 4.0, via Wikimedia Commons There California High-Speed Rail is an ambitious infrastructure project, consisting of the construction of first high-speed rail network in the USA. An ambitious project, full of engineering challenges, and which, like any mega project, has been the subject of much criticism. Let’s look at it more closely. The California ...
Paolo Veronese, Wedding at Cana; via Wikimedia Commons Traveling in Europe and around the world, especially in the United States, it is possible to appreciate many Italian works in non-Italian museums: it is the result of wars, raids, political agreements or illicit trafficking. Walking through the Prado, in Madrid, you will find works by Botticelli, Mantegna and Beato Angelico; at ...
Sometimes it can happen, especially in a small town or in spa areasto approach a water fountain and feel the typical “rotten egg” smell. That smell, pungent and generally unpleasant, is not the result of poor maintenance, but of a real natural phenomenon: the presence of sulfur compounds, that is, sulphur-based, dissolved in water. In particular, the main person responsible ...
The “AI text detector”, or AI-generated text detectors, are software that analyzes the style, structure and words used to estimate the chance that a text was written by aartificial intelligence. The problem, however, is that AI is also improving quickly. Tools like ChatGPT are now capable of writing in a natural and realistic way, so much so that distinguishing between ...
In Italy they existed 51 gold mines: the 4 main ones were located in Piedmont (Pestarena, Guia), Aosta Valley (Chamousira) e Sardinia (Furtei). Gold has no longer been mined in Italy since 2009, but the most productive mines reached considerable levels, extracting up to 580 kg of pure gold per year. The period of maximum extraction was between XVIII and ...
Carlos Alcaraz and Jannik Sinner at Roland Garros. Twitter The words of the tennis legend have caused quite a bit of controversy, Roger Federerduring an interview on the podcast Served by Andy Roddick. The Swiss, who has been retired for three years now, speaking about the Sinner-Alcaraz duopoly that is dominating world tennis, offered his point of view on the ...
THE’extra virgin olive oil it is considered of the highest quality according to precise standards established by the COIi.e. the International Olive Council and adopted by the European Union through the EU Regulation 2022/2104. These requirements to be met include both the manufacturing process to produce the oil, which must include exclusively cold mechanical processes, such as squeezing, and the ...
Truddi Chase. That of Truddi Chase (1935-2010), an American author, is the most famous case of dissociative identity disorder (commonly called “multiple personality disorder”), a pathological condition in which a person has two or more distinct identities who take turns controlling his behavior. It is an extreme defense mechanism that our brain puts in place to cope pain caused by ...