The modern bicycle traces its lineage back to the early 19th century. Baron Karl von Drais invented a two wheeled tandem vehicle, known as the Draisienne. The Baron’s invention possessed the familiar tandem wheels, but it lacked pedals. Like a skateboard or scooter, riders propelled the bike using their feet…. Read more“Map Monday, A Brief History of Bicycles”
Tag: Map Monday
Map Monday, Canals Rise and Fall as Transportation Highways
Roughly 6,000 years ago the Mesopotamians built the first canals. These irrigation canals moved water from rivers to fields. The creation and management of their system sped the development of organized civilization and created the famed fertile crescent. Other river-based societies in India and Egypt also built extensive irrigation and… Read more“Map Monday, Canals Rise and Fall as Transportation Highways”
Map Monday, Time Zones where did they come from?
Time zones, for most of human existence they didn’t matter. The most important points in time were sunrise, sunset, and noon when the Sun reached its highest point in the sky. Since the Earth is a sphere rotating on its axis as it orbits the Sun, these events are location… Read more“Map Monday, Time Zones where did they come from?”