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Gourous, sorciers et savants
Savez-vous découvrir des sources souterraines ? faire bouger des portes en gonflant et dégonflant votre poitrine ? Prendre des charbons ardents entre vos mains ? Conduire la tête encagoulée ? Donner de violents coups de bâton sans faire mal à votre partenaire ? Êtes-vous doués de « pouvoirs » ? Ce livre vous montre comment y parvenir. Ce qui revient à déjouer les charlatans et marchands d’illusion qui cherchent à vous berner pour abuser de votre crédulité. Ainsi fait-on grand bruit autour du saint suaire de Turin ou du sang miraculeux de saint Janvier. Ce livre vous donne une recette, parmi d’autres, pour accomplir vous aussi ces miracles. Soyez miraculeux ! Contre l’autorité sectaire des gourous, il défend la pensée scientifique en vous amusant. Henri Broch est professeur de physique et directeur du laboratoire de zététique à l’université de Nice-Sophia-Antipolis. Il a publié, avec Georges Charpak, Devenez sorciers, devenez savants, qui a été un immense succès.
Skepticism and Humanism
As we begin the third millennium there is cause for cautious optimism regarding the human prospect. Democratic revolutions and the doctrine of universal human rights have captured the imagination of large sectors of humanity, while major advances in science and technology continue to conquer disease and extend life, contributing to rising standards of living, affluence, and cultural freedom on a worldwide basis. Paradoxically, at the same time ancient authoritarian fundamentalist religions have grown in vitriolic intensity along with bizarre New Age, media-driven paranormal belief systems. Also surprising is the resurgence of primitive tribal and ethnic loyalties, unleashing wars of intolera...
Pieter Saenredam, The Utrecht Work
Pieter Saenredam (1597–1665) was one of the magical painters of 17th-century Holland, a time known as the Golden Age of Dutch Art. He spent his career immortalizing the churches of Holland in drawings and paintings. Working through a series of perspective drawings to the finished painting, he made innumerable fine adjustments to architectural details to create what may be justly called spaces of wondrous perfection of proportion and luminosity. Pieter Saenredam, The Utrecht Work is published to coincide with an exhibition of Saenredam’s drawings and paintings, originally held at the Centraal Museum, Utrecht, and on view from April 16 through July 7, 2002 at the Getty Museum. This elegant volume brings together more than sixty drawings and paintings depicting the beautiful and historically venerable churches of the Dutch city of Utrecht.
The Purpose of Life, Why are we Here
There is much evidence that we have lived before, and our purpose is to progress to a more advanced state. The evidence also indicates that a ‘God’ must exist to cause such re-births – on other continents and hundreds of years later. The consequences of bad deeds done in previous lives explains present suffering, which seems otherwise unjust. Future lives lie before us and from available evidence these will be strongly influenced by our actions in our present life.
Science Or Pseudo?
None
Real Algebra
Dieses Buch will dem Leser eine Einführung in wichtige Techniken und Methoden der heutigen reellen Algebra und Geometrie vermitteln. An Voraussetzungen werden dabei nur Grundkenntnisse der Algebra erwartet, so daß das Buch für Studenten mittlerer Semester geeignet ist.Das erste Kapitel enthält zunächst grundlegende Fakten über angeordnete Körper und ihre reellen Abschlüsse und behandelt dann verschiedene Methoden zur Bestimmung der Anzahl reeller Nullstellen von Polynomen. Das zweite Kapitel befaßt sich mit reellen Stellen und gipfelt in Artins Lösung des 17. Hilbertschen Problems. Kapitel III schließlich ist dem noch jungen Begriff des reellen Spektrums und seinen Anwendungen gewidmet."Neben dem 1987 erschienenen "Géometrie algébrique réelle" von J. Bochnak-M. Coste- M. Roy stellt die vorliegende Monographie das erste Lehrbuch auf diesem Gebiet dar... Damit liegt eine sehr empfehlenswerte Einführung...vor..." (H. Mitsch, Monatshefte für Mathematik 3/111, 1991)
The Selected Correspondence of L.E.J. Brouwer
L.E.J. Brouwer (1881-1966) is best known for his revolutionary ideas on topology and foundations of mathematics (intuitionism). The present collection contains a mixture of letters; university and faculty correspondence has been included, some of which shed light on the student years, and in particular on the exchange of letters with his PhD adviser, Korteweg. Acting as the natural sequel to the publication of Brouwer’s biography, this book provides instrumental reading for those wishing to gain a deeper understanding of Brouwer and his role in the twentieth century. Striking a good balance of biographical and scientific information, the latter deals with innovations in topology (Cantor-Sc...
An Introduction to Cryptology
A mathematically oriented overview of the field of cryptology. The book discusses conventional cryptosystems from Caesar to DES, with emphasis on the theory of shift register sequences.--
