Borthers Stone Rig reveals seven-fold symmetry through precise surveying. Surveyed by Alexander Thom revealing seven-fold geometry Contains original Pythagorean triangle with slight imperceptible inaccuracy Seven cannot be constructed with compass and straight edge

Alexander Thom's surveying work at Borthers Stone Rig uncovered seven-fold geometry based on Pythagorean triangles — and the slight inaccuracy is imperceptible, suggesting remarkable precision. Here's the catch: seven cannot be constructed with compass and straight edge, so how did they achieve it? The answer may lie in three gold breastplates in the British Museum and Dorset, which served as templates for seven divisions. Two gold plates found with important burials suggest these were tools of significance. A puzzle that challenges assumptions about Neolithic capabilities.

Key Facts

  • Surveyed by Alexander Thom revealing seven-fold geometry
  • Contains original Pythagorean triangle with slight imperceptible inaccuracy
  • Seven cannot be constructed with compass and straight edge
  • Three gold breastplates in British Museum and Dorset were templates for seven divisions
  • Two gold plates found on burials of important individuals

Related site: RING OF BRODGAR — view location, images, and history on the Ancient Nerds map.