first vacuum cleaner.
Karl Benz produced the world’s first petrol-driven motor
car in Germany in 1885.Sergei Korolyev designed the first artificial satellite in 1957.
Wilbur and Orville Wright built the first airplane in 1903.
In 1876 Alixander Graham Bell, an American engineer, invented telephone.
John Logie Baird from Scotland invented televion in 1926.