Scientific discoveries and inventions of the 19th – early 20th centuries.

The most important thing was the invention of the internal combustion engine. It is tantamount to the invention of the steam engine a century earlier. The invention of the internal combustion engine and its variations completely changed the whole world, opening access to expanding the possibilities of transportation and movement, and served as an impetus for the development of the petrochemical and oil refining industries. Another epoch-making discovery – radio, which changed the way of data transmission, gave impetus to the development of electronics and electrical engineering. Served the development of television signals.