New Yorkers gaped in amazement when they saw Cooper making a phone call on the street. But the invention was possible only because back in 1800, Alessandro Volta had invented a reliable battery. In addition, the telephone had been developed by 1876, the radio by 1895, and the computer by 1946.
Но, тоа не ќе беше можно да не постоеше галванската батерија (изум на Алесандро Волта од 1800 год.), телефонот (1876), радиото (1895) и компјутерот (1946).