An article on the echo-engine project of Douai Mines was published in the latest Science et Vie.

We can regret that the journalist Mr Grumberg did not clearly distinguish water doping (now called the Gillier-Pantone system) from the 100% Pantone system tested by the Mines. In addition, he omitted to quote Econologie.com but he promised to do so in the readers' mail for the month of December. Indeed, Julien Rochereau and I participated in the development of this article. Julien R. is the author of the water vapor ionization theory, to date, the most plausible explanation for the results obtained in water doping.

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