For about 4,500 years, the Great Pyramid of Giza has stood as a testament to human ingenuity. Yet, its method of construction has been one of history’s greatest puzzles. How could the ancient ...

The volume of a 3D shape is the amount of space inside it. Volume is measured in cubic units such as cm³ and m³. The volume, or capacity, of liquids is measured in millilitres or litres. The surface ...