In aquifers with the right square pyramid microstructure (RSPM), DNAPL migrated faster and spread more widely due to higher permeability compared to the regular tetrahedron microstructure (RTM).

"The Great Pyramid at Giza is known to have an amazing character of concavity that each of its four faces is slightly ...

"In other words, the Great Pyramid is a concave octagonal pyramid, rather than the standard square pyramid," he added. This intriguing characteristic of the Great Pyramid has fascinated experts ...