Using Giant Arrows to Guide Airmail Flights
The Transcontinental Airway System was created to aid midnight airmail trips long before radio navigation and Global Navigation Systems (GPS) were invented to assist in air flying.
Review | The Selected Letters of Cassiodorus: A Sixth-Century Sourcebook
A millennium and a half ago, or so, if you wanted to break away from the western Roman Empire, you simply called in the barbarians.
Artificial Intelligence Was Used to Discover a New Nasca Line
Researchers tested out the use of artificial intelligence to assist with finding new Nasca lines.
Himalayan Glacier Melt Mapped By Analyzing Old Spy Photographs
Declassified Cold War-era spy satellite photographs have shown how much the melting of hundreds of Himalayan glaciers has accelerated in recent decades.
Review | Medieval Ireland
Medieval Ireland is Clare Downham’s comprehensive synthesis of the current state-of-play of the history of medieval Ireland, 400-1500 A.D.