
4D: It's About Time
In mathematics, four-dimensional space ("4D") is a geometric space with four dimensions. It typically is more specifically four- dimensional Euclidean space, generalizing the...
Survey Earth in a Day is a FREE event for professional land surveyors and students of #surveying worldwide. Survey Earth in a Day 6 On the day of the solstice June 20, 2017, geospatial professionals around the world will be simultaneously recording survey grade GNSS/GPS data from thousands of points around the globe, in order to promote awareness of and a better public understanding of the surveying profession.