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Electric battery
The electric battery was created by Alessandro Volta. He noticed an electrical interaction between two metals that were submerged in an acidic solution. After finding out this principle he designed his battery which had alternating zinc and copper rings immersed in an electrolyte. -
Telegraph and the morse code
Samuel Morse found a way to send messages thru eletricity and created a code made with points and lines that represent short and long sounds/signals -
The telephone
The telephone was invented by A. Graham Bell and Elisha Grey. Grey created the receiver and Bell created the mic and assembled both of the inventions and made them work together. -
Automobile
Karl Benz created a gasoline powered vehicule that we all know now as the automobile -
Aspirin
The aspirin was created by Felix Hoffmann. He created it to treat his father's arthritis.