Lord Elgin didn’t want to lose any more Parthenon marbles. The ancient temple atop the Athenian acropolis had already been through an ordeal: marred by a 3rd century AD fire, damaged when the temple ...

A common casting medium, plaster is also a popular pick for making molds. Using this substance, which is manufactured in powder form, is ideal when you want a rigid structure to make casts as an ...