acm-header
Sign In

Communications of the ACM

ACM News

Why Modern Maps Put Everyone at the Centre of the World


View as: Print Mobile App Share:
Ptolemy's world map

Ptolemy's world map dates from about 150. Ptolemy was a Greek-Roman astronomer and geographer, who established the use of longitude and latitude lines. This is a 1513 reproduction of his projections.

Credit: SPL

Got truly and outstandingly lost recently? Enjoy the feeling while you can, for it's becoming an increasingly difficult task.

From BBC News
View Full Article

 


 

No entries found