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Brothers Andrej Madac (1940) and Kamil Madac (1949). We graduated from the Faculty of Electrical Engineering and the Faculty of Mechanical Engineering at the Technical University of Košice. Since 1992, we have been engaged in the study of unresolved questions in physics, and since 2002, also in the experimental investigation of gravitation. The DOGA experiment primarily focuses on measuring the direction of gravitational acceleration at Earth’s surface. However, the broader objective of the research is to seek answers to the fundamental nature of gravitation. Due to Andrej’s health problems, our joint research activities ended in 2018. I continue the work for the time being…

The DOGA gravitational experiment primarily focuses on measuring the direction of gravitational acceleration at Earth’s surface. However, the broader objective of the research is to seek answers to the fundamental nature of gravitation. Due to Andrej’s health problems, our joint research activities ended in 2018. I continue the work for the time being…
The initial impulse for our research stemmed from problems with the Hubble Space Telescope (HST), which was placed into Earth orbit in April 1990. We learned about the telescope’s problems somewhat later. In 1992, we contacted NASA personnel responsible for the HST project, presenting not only our interpretation of the causes of the HST problems, but also a relatively simple proposed solution. In a letter, Dr. Weiler thanked us for our efforts while expressing confidence in the accuracy of NASA’s analysis of the HST issues.
We nevertheless remained convinced of the validity of our approach to solving the HST problems and therefore decided to continue systematically searching for answers to unresolved questions in physics, particularly in gravitation.
One of the important outcomes of our research was the discovery of the rotation of the Earth’s gravitational field based on the DOGA experiment. An important consequence of this discovery is a new understanding of the causes of planetary rotation. Unfortunately, the article entitled “Dark Matter and Planetary Rotation” was rejected for publication by the scientific journals we approached.
In view of my age, I decided in 2026 to create a website that presents the knowledge and conclusions we reached over more than thirty years of research. With appropriate scientific caution, I consider these findings valuable because they suggest a fundamental shift not only in the understanding of the laws governing the macroworld, but also the microworld.
Although our efforts were directed toward revealing the nature of gravitation, we consider our greatest achievement to be the discovery of inertia. The path toward understanding inertia led through the recognition of the relationship between dark matter and atomic matter.
