Figure 1.
The image features a vertical rectangular bar that is one metre tall and ten centimetres wide, displaying surface texture details. An inset box on the right shows a magnified view of a section that measures six centimetres by six centimetres, highlighting closely detailed surface features. The inset is outlined with a dashed line and connected to the main bar with an arrow. This arrangement allows viewers to compare the overall structure to the detailed section.X-ray computed tomography of the core