Using the wheel, string and protractor — and trigonometry — we would be able to work out both the heights of landmarks and their distance away. If you place the protractor horizontally and put ...

COLORADO SPRINGS, Colo.--(BUSINESS WIRE)--The Sanborn Map Company, Inc. (Sanborn) announces membership in the Overture Maps Foundation as a Contributor Member. The Overture Maps Foundation is a new ...

The map uses NASA and other satellite data to ensure accurate topography. As creator Frank Cesco explains, this is a 1:45 scale map, so a one-meter block now represents 45 meters of real-world ground.