This column's recent exposé on the pyramid-shaped structures strewn across a paddock in the Lanyon Valley (Why these metal pyramids are in a Tuggeranong paddock, August 27) resulted in a bulging ...

A prism has a constant cross-section throughout its length. When the cross-section is a triangle, the prism is called a triangular prism. When the cross-section is a hexagon, the prism is called a ...

CRYSTAL pyramids have been found beneath the Bermuda Triangle and could be responsible for ships and planes disappearing, it has been claimed. Giant pyramids “three times the size of the Great Pyramid ...