Tag: Alexandria

• Ptolemy’s world, measured

  

  Ptolemy wrote the ancient world down as a table of coordinates. I matched 2,358 of his places to where they really are: shrink his longitudes by 0.72 and the map falls into place, but Scotland is still turned on its side and Sri Lanka is 15 times too big.

  Tristan Hotham

  Data stories, Games & other interests

  Alexandria, ancient geography, cartography, data visualisation, history, maps, Ptolemy, Roman Empire