Borys Hrabovskyi, like his father, had a talent for literature. But his greatest passion was for inventions: a helicopter, a boat without a motor, a three-winged glider, etc .

Among them was an electronic system that transmitted a moving image. This design by a Ukrainian became the initial stage in the development of electronic television.

How this invention worked, why it was not mentioned for years, and who put a spoke in Grabowski's wheel, we found out LIGA.net .

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