The Inca Empire, or Inka Empire (Quechua: Tawantinsuyu), was the largest empire in pre-Columbian America. The administrative, political and military center of the empire was located in Cusco in modern-day Peru. The Inca civilization arose from the highlands of Peru sometime in the early 13th century.
Science allowed us to analyze what had been working, and further allowed the establishment of new technology
Martin Luther was inspired to launch the Protestant Reformation while seated comfortably on the chamber pot. That cannot be confirmed, but in 2004 archeologists discovered Luther's lavatory, which was remarkably modern for its day, featuring a heated-floor system and a primitive drain.
