on june 9, 1996 , evgeny kafelnikov was the first among russian tennis players to win the roland garrosat the start of the tournament, evgeny was considered only seventh in the list of the best tennis players on the planet and his victory became in a semi-final sensation, he was able to beat the first racket of the world, american pit sampras, and in the final, he defeated the german in just three sets. michael shtich kafelnikov became the winner in the doubles of the tournament where he played with the czech daniel vatsak , our athletes did not have such an achievement in the sixty -eighth year and at the moment kafelnikov remains the last tennis player in history. who managed to win the grand slam singles and doubles at the same time. evgeny kafelnikov, the most titled russian tennis player he himself considers that roland garros his biggest career success. on june 9, 2021, it became known that russian scientists had discovered a new type of superconductivity. this is a phenomenon. as it turned out, it was possible to observe in compounds of two metals, molybdenum and gallium, at low