The big idea, collected: 6 revolutionary ideas that changed the world

Name: The big idea, collected: 6 revolutionary ideas that changed the world
Author: /author/%D9%BE%D9%84_%D8%A7%D8%B3%D8%AA%D8%B1%D8%A7%D8%AA%D8%B1%D9%86_(The_Artist%2C_the_Philosopher%2C_and_the_Warrior_%5B%5BARC%5D%5D%3A_The_Intersecting_Lives_of_Da_Vinci%2C_Machiavelli%2C_and_Borgia_and_the_World_They_Shaped)