Archive | July 1, 2016

A 6,000 year old telescope without a lens – prehistoric tombs enhanced astronomical viewing – HeritageDaily – Heritage & Archaeology News

http://www.heritagedaily.com/2016/06/a-6000-year-old-telescope-without-a-lens-prehistoric-tombs-enhanced-astronomical-viewing/111907?utm_content=buffer69068&utm_medium=social&utm_source=facebook.com&utm_campaign=buffer