Henri Poincaré, Quanta hypothesis

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One wonders if Mechanics is not on the eve of a new upheaval; recently a meeting was held at Brussels, attended by some twenty physicists of various nationalities, and at each moment they might have been heard to speak of … Read More

Henri Poincaré, Mathematics and logic

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A few years ago, I had the opportunity to expose some ideas about the logic of the infinite; on the use of the infinite in Mathematics, on the use made of it since Cantor; I explained why I did not … Read More

Henri Poincaré, The logic of infinity: The use of infinity

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Is it possible to reason about objects that can notbe defined in a finite number of words? Is it even possible to talk about it knowing what one is talking about, and by saying something other than empty words? Or … Read More

Global warming and gender equality are the priorities of Ursula von der Leyen

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Ursula Gertrud von der Leyen (born Albrecht, on October 8, 1958) is a German politician and elected president of the European Commission. She was Germany’s Defense Minister from 2013 to 2019. Member of the center-right Christian Democratic Union (CDU), she … Read More

Henri Poincaré, The logic of infinity: The cardinal number

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We must not forget the preceding considerations when defining the cardinal number. If we consider two collections, we may seek to establish a law of correspondence between the objects of these two collections, so that any object of the first … Read More

Henri Poincaré, Why space with three dimensions – Analysis Situs (Topology)

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Geometers usually distinguish two kinds of geometries, which they call the first of metric and the second of projective; metric geometry is based on the notion of distance; two figures are regarded as equivalent when they are “equal” in the … Read More

Digital Assembly 2019 – Bucharest, Romania, June 13-14

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The Digital Assembly 2019 is a forum for stakeholders to take stock of the achievements of the Digital Single Market Strategy, draw lessons and to exchange views on the contours of a future digital policy. The event is also a … Read More

Philosophy of physics

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(The wave-particle duality, in which we can see how the same phenomenon can be perceived in two different ways, was one of the philosophical problems posed by quantum mechanics.) The philosophy of physics refers to the set of philosophical reflections … Read More

Ontology of Gravitational Singularities

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Peter Bokulich and Erik Curiel (Curiel and Bokulich 2018) assert that general relativity (GR) allows singularities, and that we need to understand the ontology of singularities if we want to understand the nature of space and time in the present … Read More

Gravitational Singularities

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Within the classical theory of Newton’s gravity there is the fundamental possibility of singularity. No signal can propagate from within a singularity, but its gravitational influence is permanently present externally and depends only on the total mass, the angular momentum, … Read More

Psychology of the film Solaris directed by Andrei Tarkovsky

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Tarkovski’s film is a drama of pain and partial recovery centered on the psychology of the Solaris station crew. Tarkovski wanted to address this way the deeply emotional and intellectual science-fantastic genre, considered by him to be superficial. The film … Read More

The future of eugenics

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The potential use of genetic engineering has brought back past eugenics into bioethics disputes. There are opinions, such as those of Nicholas Agar, according to which non-coercive eugenics programs are inherently ethical. (Fletcher and Wertz 1990) Adherents of liberal eugenics … Read More

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