Suspended in a metal decor hundreds of kilometers from the earth, a simple glass of water in the Chinese space station was enough to trigger a digital storm. On social networks, this ordinary detail has turned into a disturbing element, fueling the most eccentric doubts about the very existence of the Chinese space program. In … Read more

[Article déjà publié le 16 août 2024] To communicate humans, we use our voice when we are close and technologically advanced means of communication when we are distant. If this is very useful for us, other species would have developed this capacity. This is evidenced by the recent discoveries made on boreal whales. Excellent swimmers, … Read more

[Un article de The Conversation écrit par Éric Collet – Professeur de Physique, expert en sciences des matériaux, Université de Rennes]

[Article déjà publié le 30 mars 2025] The sky, before becoming the playing field of man and his planes, is above all, the kingdom of birds. At low or very high altitude, these animals, small or large, roam the earth stealing, and for some on foot, on thousands of kilometers during their life. But among … Read more

Born from explosions of distant stars and largely trapped in the glowing heart of our planet, gold intrigues as much as it fascinates. Its apparent rarity, however, is only a reflection of our ability to achieve it. If the jewelry and ingots we know represent only a tiny portion of the real amount of gold … Read more

[Un article de The Conversation écrit par Glen Farivar – Lecturer in Power Electronics, The University of Melbourne]

Each day, thousands of liters of frying oil are thrown after crackling in European kitchens. Long treated like simple waste, these used oils today take on a completely different value. In France, they are now entering the production circuits of biraffineries, transformed into biofuel for aviation. Behind this discreet mutation, an industrial movement accelerates, carried … Read more

Under the clouds of large metropolises, invisible pollution falls on the roofs every day. Among these particles, microplastics accumulate noise without noise, transported by air or rains. Faced with this diffuse threat, an unexpected solution is essential in the urban heights. Where mosses and sedums grow, each green roof becomes a natural trap capable of … Read more

The quest for finesse redefines the contours of the modern smartphone, pushing engineers to reinvent each component. Apple is fully part of this dynamic with a lighter, more refined, but also more constrained device. It is in this context that the autonomy of the iPhone 17 Air becomes a central issue, revealing a new compromise … Read more

One morning in March, the global network has vacillated. In a few hours, the X platform froze before millions of users, unable to respond to connections. This is not the first time that a digital giant has been bending under a computer attack, but this time, silence has given way to a direct accusation. Elon … Read more