On “Civilization One” Predating Sumerians & Egyptians

Alan Butler presenting case that ancient Sumerian and modern Metric systems of measurements are one and the same coming from geodetic Megalithic yard.

Great Pyramid K 2019

Great section on how ancient Egyptian measurement of Royal Cubit was deduced from universal constant:
1 drop of water on waterproof surface is exactly 1 cm wide.
From this, every other known measurement was born and knowledge about universal constants like Pi, Phi or C arose.