Questionable Motives

January 17, 2010

Stone-age cartography: Who knew what when?

Filed under: Archeology,Geometry,Stonehenge — tildeb @ 8:27 pm

Researcher Tom Brooks analysed 1,500 prehistoric monuments, including Stonehenge and Silbury Hill in Wiltshire, and found them all to be on a grid of isosceles triangles – those with two sides of equal length – each pointing to the next site.

He believes this proves there were keen mathematicians among the ancient Britons 5,000-6,000 years ago, at least two millennia before the Greeks who were supposed to have discovered geometry.

Many monuments are 250 miles or more away but GPS co-ordinates now show all are accurate to within 100 metres and provided a simple map for ancient Britons to follow.

Incredibly, the triangles still exist today as many medieval churches, abbeys and cathedrals were constructed on top of the original stone circle markers.

Read more about this fascinating discovery here.



  1. How does e.g. Branscombe relate to Uploaders or West Lulworth? and the distances vary by several km. Anyone with Google Earth can check out the vectors for themselves.

    Comment by sarsen56 — January 22, 2010 @ 6:00 pm | Reply

    • You’ll have to ask Brooks, I’m afraid.

      Comment by tildeb — January 22, 2010 @ 6:48 pm | Reply

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