50 articles
The text presents methods for representing points of concentrated curvature, such as 'posicones' and 'negacones', using polyhedral shapes.
The Walter and Reimar Horten brothers developed flying wings as early as the 1920s, inspired by contemporary concepts.
The story of John Knudsen Northrop, nicknamed Jack, and his innovations in aeronautics.
The article addresses the issue of aluminum in drinking water and its health risks, particularly those related to Alzheimer's disease.
Hypersonic aviation requires special systems such as static engines and scramjet engines. Mechanical and thermal constraints increase with speed.
The article discusses the diversity of languages and their role in cultural identity.
The Antibabel logbook describes an initiative to develop a high-performance multilingual translation software.
The Antonov 225 is the largest airplane in the world with a wingspan of 85 meters and a cargo capacity of 250 tons.
Apnea is an ancient practice used for diving without equipment. Archaeologists have discovered stones used as weights for divers.
The 'Guardian Angel' is a life jacket designed for free divers, automatic after 120 seconds.
The first artificial aurora was created in 2005 through the Haarp installation in Alaska.
L'article présente une idée de stockage de l'antimatière dans des cristaux métalliques.
Israël envisage l'usage d'une arme sonique contre les colons juifs résistant à l'évacuation de Gaza. Cette arme émet des rayons soniques qui provoquent des vertiges et des nausées.
The Big Dog robot, developed by Boston Dynamics, is an advanced quadruped capable of moving over difficult terrain.
The page features a video showing a test of an anti-bunker bomb.
L'article parle d'une arme à micro-ondes développée par les États-Unis pour le contrôle des foules, capable de provoquer une douleur intense sans laisser de traces.
The article discusses the consequences of French nuclear tests, especially at In-Ekker and Mururoa, and the testimonies of people exposed.
Les robots de combat, comme ceux de la société SWORD, sont des innovations technologiques visant à remplacer les soldats humains.
American robots were tested in Iraq in 2005. They are light and man-portable.
The Russian Sukhoi 30 demonstrates advanced thrust vectoring capability, enabling exceptional aerial maneuvers.
The article discusses a discovery in genetics where a gene can have an opposite effect depending on whether it is present on one or two chromosomes.
Lithography is a printing technique using a lithographic stone, developed in the 19th century.
The article has been accepted for publication in Astrophysics and Space Science, demonstrating the model's consistency with observational data.
The electric plane made its first flight in France in December 2007, marking a world first in recreational aviation.
The document discusses the development of the electric airplane and the electric bicycle, with examples such as the Gitane G-bike.
The text presents a discussion on a new axiomatization of groups, replacing traditional axioms with a sandwich axiom.
The B-2 bomber is an aircraft designed for long-range, stealth missions, developed by Northrop.
The B2 bomber is an unstable aircraft requiring continuous piloting. Its profile is designed to be self-stable, but it must be constantly controlled.
An embedding of a surface in R3 is a representation where the tangent plane is continuous and there are no self-intersections.
Tests d'écoute sur le réseau ADSL de Belgacom en avril 2004. Un mouchard sera installé pour surveiller les communications en ligne.
The text recounts the story of a website linked to the DGSE that was hacked and redirected to a Texas jewelry store.
Neural implants allow controlling devices through thought, as shown by the BrainGate system.
The law of June 21, 2004 for trust in the digital economy establishes rules on online communication freedom.
The text describes Baumgartner's free fall from 39,000 meters, reaching the speed of sound.
Jean-Pierre Petit gave a lecture on 'Earth's Anger' at the Sciences Frontière Festival in 2003.
The text addresses the citizen reaction to swine flu and the misinformation by the authorities.
The text recounts the story of the creation of a representation of the Boy surface, realized by J.P. Petit and J. Souriau.
The text tells the story of the creation of a physical representation of the Boy's surface, made using copper wire.
Analysis of the periodic functions A(m) and B(m) in Figure 3.
Analysis of the periodic functions A(m) and B(m) on the Boy surface.
The article explores homotopies of immersions of the torus in R3, using C transformations.
La lettre critique le projet ITER et souligne ses risques financiers et technologiques.
The National Research Committee has examined the scientific activity of the recipient.
The author plans to attend a conference in Bremen on hypersonic flight and MHD aerodynamics, despite physical constraints.
The article addresses the case of a veiled woman who was fined, highlighting social and religious issues.
The document criticizes the ITER project and highlights its risks related to the instability of tokamaks.
The author sold a Boy surface, a complex mathematical object, to a Belgian doctor.
The Wurmstein-Paparazzi test classifies individuals into three categories: 5% authentic, 20% acting fools, and 75% undecided.
Le texte critique la désinformation par les médias et leur rôle dans la manipulation de l'opinion publique.
The article deals with an investigation into nuclear energy in France, especially after the Fukushima disaster.