Write an essay «The Greatest Invention», using phrasal verbs.

In the early 20th century, the theory of quantum electrodynamics appeared. Electricity has become an important part of our everyday life, we use it when we wake up, cook, wash up, work out. When for some reason the electricity is switched off we could knock down everything, That’s the role electricity plays in our life. To sum up, we could say that invention of electricity like a lot of other inventions comes from human desire for searching, but it has for sure comes out to be the greatest invention of the humankind.