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Conferences 2008-2009



28 novembre, Paris, France
Histoire de l’Alchimie

Colloque Alchimie d’Atlantis, “Réalités et Mystères de l’Alchimie”, salle Jean Dame, 17 rue Leopold Bellan, Paris 2eme, de 14:00 à 18:00.

Le titre de ma conférence est: Naissance de l’alchimie égyptienne

renseignements et inscriptions à
Colloque Alchimie.

19 novembre, Saint-Quentin (02), France
Bible: Joseph-Amenophis Fils de Hapou

conférence organisée par la Société Cultuelle Israélite de Saint-Quentin, Aisne, Picardie
Conférence sur mon dernier livre De cette fresque naquit la Bible
dans les locaux de la Société Cultuelle Israélite de St-Quentin, 11 ter bvd Henri Martin, Saint-Quentin,
à 20 heures précises.


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My book on Geopolymer Chemistry and Applications

Update on November 29, 2015
Thousands of books sold since 2008 all over the world. Half are sold to libraries and public laboratories, and half to the industry. I am proud to release the new 4th edition. The book is now a “must have” and a “must read” to anybody who wants to enter into this science.

Update on October 24, 2009
More than 400 laboratories, worldwide, purchased the book so far. It has been coined “The Geopolymer Science Bible”. We plane to discuss the opportunity of implementing the 3rd Edition, during the next GEOPOLYMER CAMP scheduled for July 5-6, …
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The Lost Fresco and the Bible (my new book in French)

I am presenting my 5th book on the Egyptian civilization, here in connection with the Bible, published by Éditions Jean-Cyrille Godefroy, Paris, ISBN 978-2-86553-216-2

Released on: 29 september 2009

In 1935 in Karnak, in Egypt, two French Egyptologists discover a fresco in the ruins of the memorial temple of Amenophis (Amenhotep) Son of Hapu, the most eminent scribe and scientist of ancient Egypt, Great chancellor of the Pharaon Amenhotep III, father of the monotheist Pharaon Akhenaton. Recently, 75 years later, I noted that the text of this fresco was reproduced word for word in the Bible, Genesis 41, when …
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Book: Why the pharaohs built the Pyramids with fake stones

This book replaces “They built the Pyramids”, now out of print.

By Joseph Davidovits

20 years after the best seller book: The Pyramids: an enigma solved,
after 20 years of new research, and new discoveries,
you will understand why the theory is more alive than ever, why more and more scientists agree, simply because it is the truth.

Book cover: Why the pharaohs built the Pyramids with fake stonesIn this book, Professor Joseph Davidovits explains the intriguing theory that made him famous. He shows …
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The Pyramids in Bosnia (Europe), man-made stone or Roman concrete

From the photos available, the stone material seems to be natural pudding stone or perhaps man-made stone, a type of Roman concrete, called Opus Caementium. I am waiting for more data.

According to our information, we believe that the sample of concrete that I have examined under the electron microscope comes from a type of cistern or water tank (the drilling report is mentioning a concrete “ceiling” and an empty space of 4 meters depth followed by a “concrete” floor, see the pdf below). The geopolymer concrete analyzed is a kind of Roman concrete, which …
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Film/TV documentary proposal on Egypt

I have an interesting Film/TV documentary project, and I am looking for a serious producer.

I discovered the most ancient genuine text copied word by word in the Bible.

It is an ancient Egyptian fresco unearthed in 1935, in Karnak, Southern Egypt, dedicated to the greatest scribe and genius of Egyptian antiquity: Amenophis (Amenhotep) Son of Hapu (1437-1356 BC).




This 3,363 year-old document tells how Pharaoh Amenhotep III (the father of the heretical Akhenaton) greatly honored his closest counselor, Amenophis Son of Hapu, Egypt’s foremost éminence grise whose position was second only to Pharaoh’s in power. According to my recent …
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My conference on Ceramics & Brotherhood, on line

The 1st International Forum Ceramics & Brotherhoods was held on July 4, 2008, Verona, Italy, during the 2nd International Congress on Ceramics ICC2. It involved representatives of African Countries (Kenya, Liberia, Tanzania) and European scientists. The aim of Ceramics & Brotherhoods is the transfer of appropriate ceramic technologies to African Countries. I am member of the Advisory Board and of the Ethic and Business Executive Committee.

My conference on the transfer of LTGS brick technology is available on line, either at the Geopolymer Institute or at YouTube. Go to LTGS Brick, low cost construction material
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Book: They built the Pyramids : OUT OF PRINT

By Joseph Davidovits

20 years after the best seller book: The Pyramids: an enigma solved,
after 20 years of new researches, and new discoveries,
you will understand why the theory is more alive than ever, why more and more scientists agree, simply because it is the truth.


In this book, Professor Joseph Davidovits explains the intriguing theory that made him famous. He shows how the Pyramids were built by using re-agglomerated stone (a natural limestone treated like a concrete), and not with huge carved blocks, hauled on fragile ramps. Archaeology bears him out, as well as hieroglyphic texts, …
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MIT supports my pyramid theory

The famous Massachusetts Institute of Technology, Boston, USA, is supporting my re-agglomerated stone (concrete) pyramid theory. At MIT, Professor Hobbs and two colleagues and students are experimenting the construction of a small scale pyramid using my theory.

Go to the Boston Globe article of April 22 2008 titled
A new angle on pyramids
Scientists explore whether Egyptians used concrete…
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3D computer simulation is not scientific proof

Recently, worldwide medias reported following headline news: “on March 30, 2007, Dassault Systems, one of the first world editors of 3D computer solutions, and architect Jean-Pierre Houdin, reveal the first theory devoted to the construction of the pyramid of Cheops that is scientifically validated, during a news conference presented at the Géode, City of Sciences, Paris ”.

One reads here clearly that 3D computer simulation has scientifically validated this theory of pyramid construction. The system introduces the use of internal ramps, instead of the external ramps previously suggested by Egyptologists. It is common knowledge that a computer works with …
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Davidovits pyramid theory worldwide

The world press is commenting the study published by the French science magazine Science & Vie and the scientific paper released by the Journal of the American Ceramic Society , December 2006.

Here some links and excerpts from major English, American and German news papers

Materials Science: Concrete evidence

The scientific magazine NATURE, vol. 444, p. 793 (14 december 2006) writes in his News about the recent analysis on pyramid stones:

“Some of the massive blocks making up the great pyramids of Giza in Egypt (pictured) are not limestone, but a synthetic mix like concrete, argue materials scientists. The paper

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Zahi Hawass (Egypt) statement in the New York Times

It is obvious that, with his statement published on December 1, 2006, in the New York Times , Dr. Hawass, General Secretary of the Egyptian Antiquity Organisation, thought that the renowned material scientists, professors M. Barsoum, G. Hug and G. Demortier, had analyzed modern Portland cement concrete instead of the re-agglomerated (reconstituted) limestone, as claimed by Professor J. Davidovits.

This is a pure affront to the scientific integrity of these well known scholars. Will Zahi Hawass apologyse for his mistake and present his regrets? The future will tell, and I hope he’ll do it !!…
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25 years ago in the New York Times

Walter Sullivan, science editor and writer at the New York Times, was the first English speaking journalist to write that the Egyptian pyramids may have been cast from plastic rock instead of being hewn. I have been attending the International Archaeometry Symposium, held at the Brookhaven National Laboratory, Long Island from May 18 to May 22, 1981. W. Sullivan covered the symposium and wrote a paper that was published in the Sunday edition of the New York Times, Sunday, May 24., 1981, page 39. I was just starting my archaeological research and the reader will certainly discover how this theory …
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Fairy tales on how I invented the geopolymers

In the USA, and consequently in the English scientific journals, my invention of the geopolymer chemistry in the years 1970-80 is narrated like a fairy tale. According to it, it was during my study of the pyramids of Egypt that, Eureka, I got this intuition. In America, the fundamental and applied researches on geopolymers are funded, since 2002, by the US Air Force who finances several laboratories in the USA as well as in Australia. Indeed, in its June 2006 issue of Technology Horizons, Research for America’s future , scientists of the Air Force Research Laboratory write :


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Publish or Perish: the disease of scientific research

Last year, the Nobel Prize of medicine and physiology 2005 was awarded jointly to Barry Marshall and Robin Warren, two Australian researchers who discovered the role of the bacterium Helicobacter pylori in the formation of stomach or duodenum ulcers. Before Marshall and Warren identify this bacterium, at the beginning of the Eighties, way of life and stress were considered as the principal causes of ulcers. It is now common knowledge that Helicobacter pylori is implied in 90% of the ulcers.

It was in Perth, Western Australia, at the Royal Perth Hospital and the University of Western Australia, very far away …
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In MEMORIAM : Georges Grimal, pioneer in geopolymer sculpture art

It is with sorrow that I learned that my friend Georges Grimal died at the age of 98 years. The majority of our scientific colleagues, engineers and students, know at least one of his works of Art created with geopolymer. It is displayed on this site at the page Potential utilizations in Art and Decoration

I met with Georges Grimal in 1981. Major General of the French Air Force, he had always been interested by new developments related to aeronautic, but at the same time he cultivated his gifts as a painter and sculptor. We had just manufactured prototypes in …
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Czech Institute of Egyptology

Prague, June 15, 2006

Continuing my visits to the Czech scientific institutions, I met with Professor Miroslav Verner, professor of egyptology, director of the Czech Institute of Egyptology. The Czech Mission in Egypt is in charge of the site at Abusir, north of Saqqarah. One finds there the pyramids of the Pharaons belonging to the Vth Dynasty, small pyramids built after the large pyramids at Giza. They were made with small blocks of hewn stone and they have nothing in common with the enormous masses raised by the Pharaons of the IVth Dynasty: Sneferu, Cheops, Chephren and Mykerinos.

The first …
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Encounter with the Venus from Dolni Vestonice, a 25.000 years old geopolymer ceramic

Brno, capital of Moravia, Czech Republic, 17 June 2006

Organized within the framework of my meetings with the scientific institutions of the Czech Republic, this visit to the Brno Anthropology Museum will certainly mark a date in my studies on the technological knowledge of prehistoric mankind. Dr. Martin Oliva, paleontologist, presented to me the collection of Paleolithic artifacts – engraved bones – discovered in Moravia, in particular at Dolni Vestonice. Then, in the presence of the journalist of the local national daily and a photographer of Czech Press Agency, he unveiled the queen of his collection, the Venus. I still …
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Interview at Australian Talk Radio Network 6PR

During my stay in Perth, Australia, on the last evening of our Geopolymer Workshop (Sept. 28 -29, 2005) organized by Prof. Vijay Rangan and Curtin University of Technology, I was interviewed by the Australian Talk Radio Network, radio talkshow anchor Graham Mabury . It was an interesting talk conducted by Graham Mabury who had studied the subject and prepared his interview with care. His questions were smart and pertinent.

9 minutes, © 6PR, 2005…
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Conférences 1er semestre 2006

6 Mars, Paris, Palais du Luxembourg (Sénat),

Congrès de l’AJOE (Association des Juifs Originaires d’Égypte), site internet.

A l’occasion du cinquantenaire (1956) de leur “deuxième sortie d’Égypte”, les Juifs Originaires d’Égypte, installés en France, organisent leur congrès commémoratif sur le thème: Passé, Présent, Futur.
J’ai été invité à présenter le thème:
Egypte antique: les nouvelles recherches sur le Patriarche Joseph, Moïse et l’Exode. Ma conférence durera 1h30 et développera les découvertes faites sur l’historicité du Patriache Joseph en la personne du grand savant égyptien, Amenophis Fils de Hapou, paru dans le tome 1 de La Bible avait raison
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