Over the years scientists have invented a great number of things, which we now use in everyday life, for example, computers, printing machines, telephones, radio, television, automobiles, photography, electricity, steam engine, planes etc.

Electricity, perhaps, is even more important. We wouldn’t be able to use computers and TVs without it. The invention of electricity dates back to the 19th century and is connected with such renowned names as Michael Faraday, Alessandro Volta, Humphry Davy and Andre Marie Ampere.