Great inventions and discoveries
Weapons of war, from catapult to atomic bomb.
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The atomic bomb (A-bomb) is probably one of the most evil inventions in history. Its development was made possible by advances in the nature of the atom at the start of the 20th century. For the first time in the hands of United States, in 1945, it ended the Second World War in the most spectacular human drama in history. Even today, the images of the mushrooms produced by the two A bombs developed by the team of American scientists led by J. Robert Oppenheimer are the terrifying symbol of the planetary holocaust at the push of a button.
The catapult, ancestor of the trebuchet of the Middle Ages, allowed to launch projectiles and flaming elements on the enemy camp. It was invented around 399 BC. J.C. following a policy of military innovation launched by Dionysius the Elder, tyrant of the Greek colony of Syracuse. Large projects were launched throughout the country which led to the creation of the famous catapult, a weapon of war that will be talked about for many centuries.
The Cannon as we know it was an invention developed in Europe in 1313 by Berthold Schwarz (a German monk), three centuries after the invention of gunpowder by the Chinese. Later, a certain Bonaparte would have the audacity to use the cannon as a mobile support force for infantry attacks and make it one of his centerpieces in his conquest of Europe.
In the 1950s, the Americans developed the first nuclear submarines. Atomic energy is then used for propulsion, which allows the vessels to remain underwater for several weeks.