This post may contain links from our sponsors and affiliates, and Flywheel Publishing may receive compensation for actions taken through them. Roman, Egyptian, and Chinese civilizations had many ...

Earliest records show a spoon shaped compass made of lodestone or magnetite ore, referred to as a "South-pointer" dating back to sometime during the Han Dynasty (2nd century BCE to 2nd century CE).

The human capacity for invention is unparalleled. We have developed technologies that have allowed us to survive and thrive far beyond the ecological niches that constrained our ancestors. While our ...