Extract from the energy of a cosmic monster? The story begins in 1969 with Roger Penrose, future Nobel Prize, which imagines a theoretical process called since … The Penrose process. In this idea, an object sent to the ergosphere – the region just outside the horizon of a black hole in rotation – could be … Read more

[ Un article de The Conversation écrit Tristan Bourvon – Coordinateur Logistique & Transport de marchandises, Ademe (Agence de la transition écologique) ] 16 % of greenhouse gas emissions in France, or 63 million tonnes of equivalent CO2. It is also a significant source of soil artificialization: it represents approximately 4 % of total artificialization … Read more

Among the monuments that embody the spiritual and political power of the Christian West, the Saint-Pierre basilica occupies a unique place. Located in the heart of the Vatican, it stands on the vestiges of an ancient cemetery, where tradition affirms that the apostle Peter was buried after its martyrdom. Fruit of several centuries of work … Read more

Did you know that Firefox offers to create several user profiles for over 10 years? It is not surprising if you had never heard of it before. Unknown to the general public, this feature was mainly used by some initiates. Her competitors put her forward. Fortunately, it will soon be of ancient history. A profile … Read more

The history of the polynomial problem Mathematics have been for many college or high school students of Charabia mixing numbers and letters, and algebra is one of them. This branch of mathematical science is characterized by equations called “polynomials”, which have existed for thousands of years. Indeed, solutions to two degree polynomials date from the … Read more

In addition to the sun and the planets that make it up, the solar system integrates within it, a huge amount of asteroids. The largest of them, in the main belt, is called Cérès (946 km in diameter) and the second, Vesta (525 km in diameter). The latter has always challenged scientists who thought of … Read more

Announced for the first time in May 2024, the Recall functionality promises to become one of the flagship innovations of PC Copilot+ rotating under Windows 11. As a reminder, PC Copilot+ are computers specifically designed to integrate artificial intelligence in order to improve the experience of daily users.

The immense distribution area of ​​the American crocodile suggested a certain uniformity among the great reptiles of Central America. However, discrete waters surrounding certain Mexican islands hid a very different reality. By scanning the DNA of isolated specimens on Cozumel and Banco Chinchorro, researchers have uncovered two new species of crocodiles, revealing an unexpected diversity … Read more

While obesity is increasing rapidly in low and intermediate income countries, health systems are struggling to contain the impact of this silent epidemic. By 2035, almost 80 % of obese people worldwide will live in these regions, where access to treatments remains limited. This context feeds the spread of preventable chronic diseases such as type … Read more

Off Boston, a constellation of islands with rounded contours emerges from the waters of the Atlantic. Invisible to the hours of high tide, dominated by the mist or beaten by the winds, these discreet lands bear the deep marks of a glacial past. Formed by the last jolts of a gigantic glacier, the islands of … Read more