Did you know that in the beginning the bicycle had neither pedals nor brakes? Well yes. The ancestor of the first two-wheeled vehicle in history was presented in Paris on 6 April 1818 during the Paris Motor Show.
Giovanni Sapere
In March of 1876, the American scientist and inventor Alexander Graham Bell patented the invention of the century, which was later given the name of phone,
Giovanni Sapere
The time stack consists of the chemical reaction generated by a series of alternating zinc and silver (or copper and tin) discs, separated by paper or a cloth soaked in salted water. An electrical wire connected to the two ends allowed the electric current to be drawn.
Giovanni Sapere
